![Brother MFC-8520DN [226/373] Toner led pcb assy](/img/pdf.png)
Brother MFC-8520DN [226/373] Toner led pcb assy
![Brother DCP-8110DN [226/373] 2 remove the taptite cup s m3x8 sr screw and lift the under bar earth plate r from the lv shield plate](/views2/1308479/page226/bge2.png)
3-80
Confidential
9.21 Toner LED PCB ASSY
(1) Remove the LV shield plate earth spring from the LV shield plate and the machine.
(2) Remove the taptite cup S M3x8 SR screw, and lift the under bar earth plate R from the
LV shield plate.
(3) Remove the taptite bind B M4x12 screw, and release the two hooks to remove the LV
shield plate from the machine.
Fig. 3-109
LV shield plate
earth spring
Taptite cup S M3x8 SR
Taptite bind B
M4x12
Hook
Hook
Under bar
earth plate R
LV shield plate
Содержание
- Service manual p.1
- Dcp 8110d 8110dn 8112dn 8150dn 8152dn 8155dn 8157dn 8250dn mfc 8510dn 8512dn 8515dn 8520dn 8710dw 8712dw 8810dw 8910dw 8912dw 8950dw 8950dwt 8952dw 8952dwt service manual p.1
- Trademarks p.4
- Chapter 2 troubleshooting p.5
- Chapter 1 specifications p.5
- Safety information xiv p.5
- Regulation viii p.5
- Contents p.5
- Chapter 3 disassembly reassembly p.7
- Chapter 4 adjusting and updating settings as required after parts replacement p.9
- Chapter 5 service functions p.10
- Appendix 2 deleting user setting information p.11
- Chapter 7 periodical maintenance p.11
- Chapter 6 wiring diagram p.11
- Appendix 3 installing maintenance driver p.11
- Appendix 1 serial numbering system p.11
- Regulation p.12
- Declaration of conformity europe only mfc 8510dn mfc 8520dn mfc 8950dwt only p.12
- Declaration of conformity europe only dcp 8110dn dcp 8250dn only p.12
- Wiring information u k only p.13
- Warning p.13
- Lan connection network models only p.13
- Iec60825 1 2007 specification for 220 240v models only p.13
- Disconnect device p.13
- Caution p.13
- Recycling information in accordance with the weee 2002 96 ec and battery 2006 66 ec directives p.14
- Radio interference p.14
- Product mark battery mark p.14
- European union only p.14
- Important p.15
- Federal communications commission fcc declaration of conformity u s a only p.15
- Laser safety for 110 120v models only p.16
- Industry canada compliance statement canada only p.16
- Fda regulations for 110 120v models only p.16
- Warning p.17
- Qualification statement p.17
- International energy sta p.17
- For use in the u s a or canada only p.17
- Warning p.18
- Safety information p.18
- Important p.18
- Caution p.18
- Warning p.19
- To use the machine safely p.19
- Electrical hazards p.19
- Hot surface p.21
- Additional information p.23
- Caution for laser product warnhinweis fur laser drucker p.23
- Unlawful use of copying equipment p.24
- Standard telephone and fcc notices mfc only p.24
- Warning p.25
- Important p.25
- Dcp 8110dn equipment attachment limitations canada only mfc only p.26
- Specifications p.27
- Chapter p.27
- Contents p.28
- Chapter 1 specifications p.28
- Specifications list p.29
- General p.29
- 4 for wireless lan models p.33
- 3 nuanc p.33
- 2 third party usb ports are not supported p.33
- 1 for wia 1200 x 1200 resolution brother scanner utility enables to enhance up to 19200 x 19200 dpi p.33
- Xp and sp2 or higher for windows vist p.33
- Specifications are subject to change without notice p.33
- Sp3 or higher for window p.33
- Se supports microsof p.33
- Recom mended ram p.33
- Processor minimum speed p.33
- Paper por p.33
- Macintosh operating system p.33
- Hard disk space to install p.33
- For drivers p.33
- Computer platform operating system version p.33
- And window p.33
- Network connectivity p.34
- Service information p.35
- Supplies p.36
- Paper handling p.38
- Type and size of paper p.39
- Media specifications p.39
- Telephone p.40
- Printable scannable area p.40
- Fax only for the models with fax function p.41
- Scanner p.42
- Usb direct interface p.42
- Troubleshooting p.43
- Chapter p.43
- Contents p.44
- Chapter 2 troubleshooting p.44
- Warning p.46
- Precautions p.46
- Introduction p.46
- Hazard labels as shown below are attached to the machine fully understand the descriptions on the hazard labels and observe them during troubleshooting take extreme care not to remove or damage the hazard labels p.46
- Checks before commencing troubleshooting p.47
- Power supply p.47
- Operating environment p.47
- Consumable parts p.47
- Warning p.48
- Others p.48
- Do not use any flammable spray or flammable solvent such as alcohol benzine or thinner to clean the machine do not use these articles near the machine p.48
- Cleaning p.48
- Cross section drawing p.49
- Printer part p.49
- Overview p.49
- Legal model p.50
- Fig 2 2 p.50
- Adf unit document scanner unit p.50
- Fig 2 3 p.51
- A4 model p.51
- Fig 2 4 p.52
- Printer part p.52
- Paper feeding p.52
- Operation of each part p.54
- Block diagram p.56
- Fig 2 7 p.56
- Main components p.57
- Fig 2 8 p.57
- Life of toner cartridge p.58
- Toner life p.58
- Toner empty toner empty p.58
- Normal duty iso iec19752 p.58
- Low duty p.58
- Life of toner cartridge and drum unit p.58
- High duty p.58
- Cartridge life end p.58
- Life of drum unit p.61
- Touch panel models p.62
- Non touch panel models p.62
- Error codes p.63
- Error indications p.63
- Error messages p.69
- Communication errors p.73
- Troubleshooting p.76
- Error codes 0c01 0c02 0c03 0c04 p.76
- Error code 0d00 p.76
- Error code 0b00 p.76
- Error cause and remedy p.76
- Error codes 1000 to 1d00 p.77
- Error code 0f00 p.77
- Error code 0e00 p.77
- Error code 2400 p.78
- Error code 1e00 p.78
- Error codes 2500 to 3500 p.78
- Error codes 1f00 to 2300 p.78
- Error codes 3c00 to 4300 p.79
- Error codes 3700 to 3a00 p.79
- Error code 3b00 p.79
- Error code 3600 p.79
- Error codes 4500 to 4f00 p.80
- Error code 5000 p.80
- Error code 4400 p.80
- Error code 5500 p.81
- Error code 5400 p.81
- Error code 5300 p.81
- Error code 5200 p.81
- Error code 5100 p.81
- Error code 5700 p.82
- Error code 5600 p.82
- Error codes 5a00 to 6200 p.83
- Error code 5900 p.83
- Error code 5800 p.83
- Error codes 6800 and 6900 p.84
- Error codes 6400 to 6600 p.84
- Error code 6700 p.84
- Error code 6300 p.84
- Error code 6f00 p.85
- Error code 6e00 p.85
- Error code 6d00 p.85
- Error code 6c00 p.85
- Error code 6b00 p.85
- Error code 6a00 p.85
- Error code 7200 p.86
- Error code 7100 p.86
- Error code 7000 p.86
- Error codes 7300 and 7400 p.86
- Error code 7500 p.86
- Error code 7a00 p.87
- Error code 7800 p.87
- Error code 7600 p.87
- Error codes 7e00 and 7f00 p.88
- Error codes 7b00 and 7c00 p.88
- Error code 8000 p.88
- Error code 7d00 p.88
- Error codes 8100 and 8200 p.89
- Error code 8400 p.89
- Error code 8300 p.89
- Error codes 8600 and 8700 p.90
- Error code 8800 p.90
- Error code 8500 p.90
- Error code 8900 p.91
- Error code 8b00 p.91
- Error code 8a00 p.91
- Error codes 8e00 and 8f00 p.92
- Error code 8d00 p.92
- Error code 8c00 p.92
- Error code 9200 p.93
- Error code 9100 p.93
- Error code 9000 p.93
- Error code 8f03 p.93
- Error code 8f02 p.93
- Error code 8f01 p.93
- Error code 9400 p.94
- Error code 9300 p.94
- Error code 9600 p.95
- Error code 9500 p.95
- Error code 9700 p.96
- Error code 9900 p.96
- Error code 9800 p.96
- Error codes 9b00 to 9f00 p.97
- Error code 9f01 p.97
- Error code 9a00 p.97
- Error code a100 p.98
- Error code a000 p.98
- Error code a300 p.99
- Error code a200 p.99
- Error code a600 p.100
- Error code a500 p.100
- Error code a400 p.100
- Error codes aa00 and ab00 p.101
- Error code a900 p.101
- Error code a800 p.101
- Error code a700 p.101
- Error code af00 p.102
- Error code ae00 p.102
- Error code ad00 p.102
- Error code ac00 p.102
- Error codes b100 to b600 p.103
- Error code b900 p.103
- Error code b800 p.103
- Error code b700 p.103
- Error code b000 p.103
- Error code bd00 p.104
- Error code bc00 p.104
- Error code bb00 p.104
- Error code ba00 p.104
- Error code c000 p.105
- Error code bf00 p.105
- Error code be00 p.105
- Error codes c100 to c600 p.106
- Error code c800 p.106
- Error code c700 p.106
- Error codes d200 to dc00 p.107
- Error codes cb00 to cf00 p.107
- Error code d100 p.107
- Error code d000 p.107
- Error code ca00 p.107
- Error code de00 p.108
- Error code dd00 p.108
- Error code e100 p.109
- Error code e000 p.109
- Error code df00 p.109
- Error codes e300 and e400 p.110
- Error code e600 p.110
- Error code e200 p.110
- Error codes e700 to eb00 p.111
- Error code ed00 p.111
- Error code ec00 p.111
- Error code ef00 p.112
- Error code f000 p.112
- Error code ee00 p.112
- Error codes fa00 to ff00 p.113
- Error codes f100 to f800 p.113
- Error code f900 p.113
- Troubleshooting for paper feeding problems p.114
- Paper is fed at an angle p.114
- Paper becomes wrinkled p.114
- Multiple sheets of paper are fed p.114
- Paper is curled p.115
- Only single surface is printed in duplex printing mode p.115
- Fig 2 9 p.116
- Troubleshooting for image defects p.116
- Image defect examples p.116
- Troubleshooting according to image defect p.117
- Faulty registration p.119
- Poor fixing p.120
- Completely blank p.120
- Image distortion p.121
- All black p.121
- Vertical streaks p.122
- Dirt on the back of paper p.122
- Vertical streaks p.123
- Black vertical streaks in a light background p.123
- Black band p.123
- White horizontal streaks p.124
- Black horizontal stripes p.125
- Faint print p.126
- White spots p.127
- Downward fogging of solid color p.128
- Black spots p.128
- Fogging p.129
- Troubleshooting for software problems p.130
- Cannot print data p.130
- Troubleshooting for network problems p.131
- Cannot print via network connection p.131
- Troubleshooting for control panel problems p.132
- Nothing is displayed on the lcd p.132
- Control panel is inoperable p.132
- Troubleshooting for toner and drum problems p.133
- New toner is not detected p.133
- Drum error p.133
- Cartridge error toner cartridge cannot be detected p.133
- Fuser unit failure p.134
- Troubleshooting for fuser unit problems p.134
- Troubleshooting for laser unit problems p.135
- Laser unit failure p.135
- Troubleshooting for pcb problems p.136
- Main pcb failure p.136
- Low voltage power supply pcb failure p.136
- High voltage power supply pcb failure p.136
- Troubleshooting for document feeding problems p.137
- Multiple sheets of document are fed p.137
- Document size is not detected correctly p.137
- Document becomes wrinkled p.137
- Troubleshooting for image defects p.138
- Troubleshooting according to image defect p.138
- Defect examples p.138
- Faulty registration p.139
- Dark or bluish white p.139
- Vertical streaks p.140
- Completely blank p.140
- Troubleshooting for fax problems p.141
- Fax cannot be sent p.141
- Fax cannot be received p.141
- Communication error occurs p.141
- Bell does not sound p.141
- Unusual noise is generated from the machine p.142
- Troubleshooting for other problems p.142
- Malfunction of the memory p.142
- Main motor failure p.142
- Main fan does not rotate p.142
- Machine is not turned on p.142
- Disassembly reassembly p.143
- Chapter p.143
- Chapter 3 disassembly reassembly p.144
- Contents p.144
- First side cis unit 62 p.145
- First side document hold 52 p.145
- Drive frame assy document feed roller assy 1 47 p.145
- Adf motor assy 52 p.145
- Adf cover document detection sensor pcb assy first side document scanning position sensor pcb assy second side document scanning position sensor pcb assy duplex scanning models only 45 p.145
- Disassembly procedure lt unit 3 117 p.146
- Warning p.147
- Safety precautions p.147
- Packing p.148
- Taptite cup b p.149
- Taptite bind b p.149
- Screw pan s p washer p.149
- Screw pan p.149
- Screw catalogue p.149
- Screw bind p.149
- Taptite pan p.149
- Taptite flat b p.149
- Taptite cup s p.149
- Screw torque list p.150
- Lubrication p.153
- When handling gears make sure that frame l faces up otherwise all gears come off p.156
- These parts are subject to change without notice p.156
- Overview of gears p.156
- Ly4411 develop low idle gear 41 9 ly4407 develop shaft gear 22 p.156
- Ly4410 develop gear 50r 42r 19 10 ly4412 paper feed drive gear 39 17 4 ly4406 develop high idle gear 39l p.156
- Ly4409 develop one way clutch 53 8 ly4336 mp drive gear 18 p.156
- Ly4408 develop clutch 51r 11 ly4403 t1 idle gear 37 p.156
- Ly4405 develop idle gear 53 12 ly4398 lt drive gear 29 p.156
- Ly4394 mp sector gear 53 57 13 ly4404 t1 gear 19 42 p.156
- Fig 3 9 p.156
- Fig 3 10 p.156
- When handling gears make sure that frame l faces up otherwise all gears come off p.157
- These parts are subject to change without notice p.157
- Ly4448 fuser gear 22 33 21 ly4436 eject idle gear 19 p.157
- Ly4444 eject switch arm 23 ly4451 duplex gear 27 19 p.157
- Ly4442 eject pendulum gear 17 25 ly4447 fuser gear 23 40 p.157
- Ly4441 eject idle gear 17 26 ly4449 fuser pendulum gear 25 p.157
- Ly4440 eject idle gear 23 p.157
- Ly4439 eject gear 32 17 24 ly4450 fuser drive gear 39 p.157
- Ly4438 eject sector gear 33 22 ly4435 eject idle gear 20 p.157
- Fig 3 12 p.157
- Fig 3 11 p.157
- Main pcb assy p.158
- Harness routing p.158
- Harness colors may be changed for any reason p.158
- Relay front pcb assy p.159
- Harness colors may be changed for any reason p.159
- Fuser unit p.160
- High voltage power supply pcb assy p.160
- Harness colors may be changed for any reason p.160
- Laser unit p.161
- Toner led pcb assy main fan p.161
- Harness colors may be changed for any reason p.161
- Low voltage power supply pcb assy p.162
- Harness colors may be changed for any reason p.162
- Attach the earth harness outermost over the heater harness p.162
- Ncu pcb assy speaker unit p.163
- Harness colors may be changed for any reason p.163
- Wireless lan pcb assy usb host pcb assy p.164
- Panel pcb assy p.164
- Harness colors may be changed for any reason p.164
- Main frame r p.165
- Harness colors may be changed for any reason p.165
- Touch panel models p.166
- Non touch panel models p.166
- Disassembly re assembly second p.166
- Disassembly flow chart p.166
- Confidential p.166
- Disassembly re assembly second p.167
- Confidential p.167
- Preparation p.168
- Disconnecting cables and removing accessories p.168
- Disassembly procedure p.168
- Fig 3 14 p.169
- 5 remove the t1 separation pad spring from the t1 separation pad assy p.169
- 4 push both arms of the t1 separation pad assy in the direction of the arrows to remove both pins and then remove the t1 separation pad assy from the paper tray 1 p.169
- 3 release the two hooks on the t1 separation pad assy from the paper tray 1 p.169
- 2 lift the plate to remove a on the t1 tray indicator from the plate remove the four bosses and then remove the t1 tray cover from the paper tray 1 p.169
- 1 remove the two taptite bind b m4x12 screws from the paper tray 1 p.169
- The illustration shows paper tray 1 500 sheets p.169
- Paper tray 1 250 sheets 500 sheets t1 paper tray 2 500 sheets t2 p.169
- Paper tray 1 p.169
- Fig 3 15 p.169
- Fig 3 16 p.170
- 7 remove the gear z22m10 and the idle gear z18m10 from the paper tray 1 p.170
- 6 push the hook on the lift gear z27m10 or lift gear z48m10 while lifting the plate up plate and remove the lift gear z27m10 or lift gear z48m10 from the paper tray 1 250 sheets lift gear z27m10 500 sheets lift gear z48m10 p.170
- Fig 3 18 p.171
- Fig 3 17 p.171
- Be careful not to damage the ribs inside the back cover p.171
- Back cover outer chute p.171
- Assembling note p.171
- 4 open the outer chute approximately 80 degrees remove the outer chute from boss b on the right side of the machine and remove the outer chute from the machine in the direction of the arrow p.171
- 3 remove the back cover from boss a on the machine and remove the back cover from the machine p.171
- 2 push both ribs of the back cover in the direction of the arrows and remove the two bosses on the outer chute p.171
- 1 open the back cover p.171
- When attaching the back cover open the front cover and attach the back cover while lifting the rear nip release link p.171
- Fuser cover p.172
- Fig 3 19 p.172
- 2 remove the fuser cover from the bosses on the fuser unit and remove the fuser cover from the machine p.172
- 1 push the two knobs on the fuser cover and pull the fuser cover down in the direction of the arrow p.172
- Mp cover assy p.173
- When removing the front cover assy push a on the front cover assy in the direction of arrow 4a and slide the front cover assy in the direction of arrow 4b to remove it p.174
- Front cover assy p.174
- Fig 3 23 p.174
- Fig 3 22 p.174
- 5 remove the two bosses and remove the paper stopper from the front cover assy p.174
- 4 remove the two bosses and remove the front cover assy from the machine p.174
- 3 release the hook and remove the nip release link from the front cover assy p.174
- 2 release the two hooks and remove the develop joint link from the front cover assy p.174
- 1 push the front cover release button and open the front cover assy p.174
- Side cover l access cover p.175
- Side cover r assy p.176
- Adf unit p.177
- Fig 3 29 p.178
- Fig 3 28 p.178
- 6 remove the adf unit from the document scanner unit and pull out the adf motor harness and the second side cis flat cable from the document scanner unit p.178
- 5 open the adf unit while lifting the hinge assy l slightly release the hook on the ffc holder assy and slide it in the direction of the arrow to release the two ribs then remove the ffc holder assy from the document scanner unit p.178
- 4 remove the two taptite bind b m4x12 screws on the back of the adf unit p.178
- Hinge r p.179
- Hinge assy l p.179
- Fig 3 31 p.179
- Fig 3 30 p.179
- 2 remove the three taptite cup s m3x12 screws to remove the hinge assy l from the adf unit p.179
- 2 remove the three taptite cup b m3x10 screws to remove the hinge arm r from the adf unit p.179
- 1 reverse the adf unit p.179
- 1 remove the taptite cup b m3x10 screw to remove the hinge r and the hinge support r from the adf unit p.179
- Adf cover assy p.180
- Document sub tray p.180
- Adf document output support flap p.180
- When attaching the earth spring make sure that the earth spring is attached as shown in the illustration below p.181
- Fig 3 34 p.181
- Fig 3 33 p.181
- Assembling note p.181
- 4 remove the earth spring from the adf cover assy duplex scanning models only p.181
- When attaching the gear cover check that the rib on the gear cover is engaged with the rib on the adf unit p.182
- Gear cover p.182
- Fig 3 35 p.182
- Assembling note p.182
- 1 release the two hooks and remove the gear cover from the adf unit p.182
- Document separate roller assy p.183
- Assembling note p.183
- 2 remove the other end of the conductive bushing to remove the document separate roller assy from the adf unit p.183
- 1 turn the conductive bushing in the direction of the arrow to release the lock p.183
- When removing the document separate roller assy be careful not to damage the flap adf p.183
- When attaching the document separate roller assy make sure that the flap adfs are under document feed roller assy 2 as shown in the illustration below duplex scanning models only p.183
- Fig 3 37 p.183
- Fig 3 36 p.183
- Noise may occur if the tip of the support film comes out of the upper adf chute p.184
- Legal model p.184
- Fig 3 39 p.184
- Fig 3 38 p.184
- Assembling note p.184
- Adf separation pad spring adf separation pad p.184
- 3 remove the separation support film and the adf separation pad from the upper adf chute p.184
- 2 release the two hooks and remove the adf separation pad holder from the upper adf chute p.184
- 1 remove the taptite cup b m3x10 screw from the upper adf chute p.184
- 6 remove the adf separation pad spring from the upper adf chute p.185
- 5 release the two pins and remove the adf separation spring holder from the upper adf chute p.185
- 4 remove the support film from the adf separation pad p.185
- When the adf separation pad is replaced also replace the support film p.185
- Fig 3 41 p.185
- Fig 3 40 p.185
- Fig 3 42 p.186
- A4 model p.186
- 2 remove the adf separation pad spring from the upper adf chute p.186
- 1 release the two pins and remove the adf separation pad holder from the upper adf chute p.186
- Second side cis unit second side cis flat cable duplex scanning models only p.187
- Perform disassembly in a dust free location p.187
- Fig 3 44 p.187
- Fig 3 43 p.187
- 2 remove the cis glass from the adf unit p.187
- 1 release the two hooks and remove the cis glass stopper from the adf unit p.187
- Upper adf chute p.189
- 7 remove the upper adf chute from the adf unit and pull out the second side cis flat cable from the upper adf chute p.190
- 6 remove the five taptite cup b m3x10 screws from the upper adf chute p.190
- Fig 3 48 p.190
- Do not disconnect the second side cis flat cable from the adf lower chute in this process as it cannot be connected when the adf lower chute is attached p.190
- Adf cover document detection sensor pcb assy first side document scanning position sensor pcb assy second side document scanning position sensor pcb assy duplex scanning models only p.191
- Fig 3 51 p.192
- 6 remove the second side document scanning position sensor harness from the second side document scanning position sensor pcb assy p.192
- 5 open the shading film 2 push the rib to open it and remove the second side document scanning position sensor pcb assy from the lower adf chute duplex scanning models only p.192
- 4 remove the first side document scanning position sensor harness from the first side document scanning position sensor pcb assy p.192
- 3 push the rib to open it and remove the first side document scanning position sensor pcb assy from the lower adf chute p.192
- Fig 3 53 p.193
- Fig 3 52 p.193
- Drive frame assy document feed roller assy 1 p.193
- 3 remove the other end of the conductive bushing to remove the document ejection roller assy 1 from the lower adf chute p.193
- 2 turn the conductive bushing in the direction of the arrow to release the lock p.193
- 1 release the two hooks and remove the document ejection shaft from the lower adf chute p.193
- 5 remove the three taptite cup b m3x10 screws from the lower adf chute p.194
- 4 release the adf motor harness from the guide of the document cover assy p.194
- The second side cis flat cable may have been damaged when it was removed from the ffc holder assy be sure to replace the second side cis flat cable with a new one follow the procedure below to attach the new second side cis flat cable p.194
- Fold the second side cis flat cable as shown in the illustration below common to legal a4 models p.194
- Fig 3 55 p.194
- Fig 3 54 p.194
- Assembling note p.194
- 7 remove the second side cis flat cable p.194
- 6 release the hook and remove the lower adf chute from the document cover assy p.194
- Fold the other end of the second side cis flat cable end to be connected to the main pcb assy p.196
- Fold one end of the second side cis flat cable end to be connected to the second side cis unit at 205 mm for legal models and 201 mm for a4 models p.196
- Fig 3 60 p.196
- Fig 3 59 p.196
- Fig 3 58 p.196
- As shown in the illustration below pass the second side cis flat cable through the ffc holder assy while fitting the mountain folded section to the rib on the ffc holder assy then secure the second side cis flat cable to the double sided tape attached to the ffc holder assy p.196
- 12 remove the adf motor harness from the adf motor assy p.197
- 11 remove the three taptite cup b m3x10 screws to remove the drive frame assy from the lower adf chute p.197
- 10 remove the taptite cup s m3x8 sr screw to remove the adf earth harness from the lower adf chute p.197
- When attaching the drive frame assy make sure that the gear of the arm assy l2 shaded in gray is engaged with the position shown in the illustration below p.197
- Fig 3 63 p.197
- Fig 3 62 p.197
- Fig 3 61 p.197
- Assembling note p.197
- 9 remove the other end of conductive bushing to remove the document feed roller assy 1 from the lower adf chute p.197
- 8 turn the conductive bushing in the direction of the arrow to release the lock p.197
- First side document hold p.198
- Fig 3 65 p.198
- Fig 3 64 p.198
- Adf motor assy p.198
- 2 remove the screw pan s p washer m3x6 screw to remove the adf motor assy from the drive frame assy p.198
- 2 release the two pins and remove the first side document hold from the lower adf chute p.198
- 1 reverse the lower adf chute p.198
- 1 release the hook and remove the gear 43 from the drive frame assy p.198
- 1 release the four hooks and remove the printed panel cover from the control panel assy p.199
- Panel cover printed panel cover p.199
- Fig 3 67 p.199
- Fig 3 66 p.199
- 5 remove the panel pcb harness from the panel pcb assy p.199
- 4 slightly lift the right side of the control panel assy and slide it in the direction of the arrow to remove it from the machine p.199
- 3 remove the taptite bind b m4x12 screw to remove the touch panel pcb harness from the machine p.199
- 2 remove the two taptite bind b m4x12 screws p.199
- Fig 3 70 p.201
- 13 remove the lcd and touch panel assy from the panel cover p.201
- Fig 3 72 p.202
- Fig 3 71 p.202
- 4 remove the panel pcb harness from the panel pcb assy p.202
- 3 release the four hooks and remove the control panel assy from the machine p.202
- 2 remove the three taptite bind b m4x12 screws from the control panel assy p.202
- 1 release the eight hooks and remove the panel cover from the control panel assy p.202
- 5 release the lock and disconnect the lcd flat cable from the panel pcb assy p.203
- Fig 3 74 p.203
- Fig 3 73 p.203
- 7 release the ten hooks six for dcp models and remove the panel pcb assy from the control panel assy p.203
- 6 disconnect the back light harness from the panel pcb assy p.203
- In the assembly procedure be sure to attach the rubber keys l and r and then attach the rubber key c p.204
- Fig 3 76 p.204
- Fig 3 75 p.204
- Check that the holes on the rubber keys are engaged with the positioning pins p.204
- Assembling note p.204
- 9 remove the panel light guide and the caution lamp lens from the control panel assy p.204
- 8 remove the rubber keys c r and l from the control panel assy p.204
- There are two types of back light assy the b type do not catch the back light harness between the panel assy and the back light assy make sure that the back light harness is attached as shown in the illustration above p.205
- Fig 3 78 p.205
- Fig 3 77 p.205
- 11 remove the lcd from the back light assy p.205
- 10 release the four hooks and remove the lcd cover and the back light assy from the control panel assy p.205
- When the back light assy is removed the lcd may also be removed be careful p.205
- Document scanner unit p.206
- First side cis unit p.208
- Fig 3 83 p.208
- Fig 3 82 p.208
- 3 remove the cis guides l and r from the document scanner unit p.208
- 2 lift the back of the document scanner top cover assy and slide it in the direction of arrow 2 to remove it from the document scanner unit p.208
- 1 remove the five taptite bind b m4x12 screws from the document scanner top cover assy p.208
- Fold the first side cis flat cable as shown in the illustration below p.210
- Fig 3 88 p.210
- Fig 3 87 p.210
- Fig 3 86 p.210
- Assembling note p.210
- A4 models p.210
- 7 pull out the first side cis flat cable from the cis carriage and remove it from the document scanner bottom cover assy p.210
- 6 raise the first side cis unit from the cis carriage for 90 degrees and slide the first side cis unit in the direction of the arrow to remove it remove the first side cis flat cable from the first side cis unit p.210
- The first side cis flat cable may have been damaged when the first side cis unit was replaced be sure to replace the first side cis flat cable with a new one follow the procedure below to attach the new first side cis flat cable p.210
- Legal models p.210
- Peel the release liner of the four pieces of double sided tape attached to the document scanner bottom cover assy and secure the first side cis flat cable to the tape as shown in the illustration below p.212
- Pass the first side cis flat cable through the two flat cores p.212
- Fig 3 91 p.212
- South korean models are not equipped with the earth plate taptite cup s m3x8 sr screw and taptite bind b m4x12 screw p.213
- Joint cover p.213
- Harness routing refer to 1 main pcb assy and 11 main frame r p.213
- For touch panel models the taptite bind b m4x12 screw has already been removed on earlier process p.213
- Fig 3 92 p.213
- 5 remove the four taptite bind b m4x12 screws 6 release the six hooks and slide the joint cover in the direction of the arrow to remove it p.213
- 1 remove the screw pan m4x8 washer spring 2 4 washer 5 to remove the ncu earth harness from the machine and release the ncu earth harness from the securing fixtures 2 disconnect the wireless lan harness usb host harness speaker harness and ncu harness from the main pcb 3 pull out the wireless lan harness and the usb host harness from the main pcb shield calking assy 4 remove the taptite cup s m3x8 sr screw and taptite bind b m4x12 screw one at a time to remove the earth plate p.213
- Wireless lan pcb assy p.214
- Usb host pcb assy p.214
- Speaker unit p.215
- 1 remove the screw pan s p washer m3 x6 da screw and washer 5 to remove the ncu earth harness release the ncu harness and the ncu earth harness from the securing fixtures p.216
- Ncu pcb assy p.216
- Harness routing refer to 8 ncu pcb assy speaker unit p.216
- Fig 3 96 p.216
- 4 remove the two taptite cup s m3x6 sr screws to remove the ncu pcb assy p.216
- 3 remove the screw pan s p washer m3 x6 da screw and washer 5 to remove the ncu shield cover p.216
- 2 remove the two taptite bind b m4x12 screws to remove the ncu unit from the joint cover p.216
- When connecting the flat cable s insert it straight after insertion check that the cable is not at an angle p.217
- Main pcb assy p.217
- Harness routing refer to 1 main pcb assy p.217
- Fig 3 97 p.217
- After disconnecting the flat cable s check that the end of each cable is not damaged or short circuited p.217
- 1 disconnect all harnesses and flat cables from the main pcb assy p.217
- Fuser unit p.219
- Caution p.219
- Laser unit p.222
- 1 remove the two taptite cup s m3x8 sr screws and remove the scanner earth plate from the machine p.223
- Low voltage power supply pcb assy p.223
- Fig 3 105 p.223
- 3 remove the lvps insulation sheet small black and the lvps insulation sheet big semi transparent from the machine p.223
- 2 remove the three taptite cup s m3x8 sr screws taptite bind b m4x12 screw and screw pan m4x8 washer spring 2 4 washer 5 to remove the lv shield plate cover from the machine p.223
- Toner led pcb assy p.226
- Fig 3 109 p.226
- 3 remove the taptite bind b m4x12 screw and release the two hooks to remove the lv shield plate from the machine p.226
- 2 remove the taptite cup s m3x8 sr screw and lift the under bar earth plate r from the lv shield plate p.226
- 1 remove the lv shield plate earth spring from the lv shield plate and the machine p.226
- Main fan p.228
- Fig 3 111 p.228
- 1 slide the straight cam in the direction of arrow 1a to remove the boss on the nip release link from the groove on the straight cam then slide the straight cam in the direction of arrow 1b to remove it from the machine p.228
- Fig 3 113 p.230
- Air duct filter p.230
- 2 push the two pins of the air duct to release the pins and pull the air duct in the direction of the arrow to remove it from the machine p.230
- 1 release the hook and remove the filter from the air duct p.230
- When removing the front cover sensor push it from the rear to remove it p.231
- Relay front pcb assy p.231
- Harness routing refer to 1 main pcb assy and 2 relay front pcb assy p.231
- Fig 3 114 p.231
- 4 disconnect all harnesses from the relay front pcb assy p.231
- 3 remove the two hooks to remove the relay front pcb assy from the machine and release all harnesses from hook a p.231
- 2 release the two hooks to remove the front cover sensor from the machine and then release the front cover sensor harness from the hook p.231
- 1 release the relay front harness from the securing fixtures p.231
- Registration clutch t1 clutch p.232
- Main frame l assy p.233
- Fig 3 116 p.233
- 5 turn the registration roller bushing of the registration roller to the position as shown in the illustration below and pull out the registration roller from the machine p.233
- 4 remove the main pcb insulation sheet transparent and the main pcb insulation sheet black from the machine then pull out the duplex solenoid harness from the main pcb insulation sheet transparent p.233
- 3 remove the taptite cup s m3x8 sr screw and remove the under bar earth plate l from the machine p.233
- 2 remove the two taptite bind b m4x12 screws and remove the front under bar and the under bar earth plate r p.233
- 1 remove the two taptite bind b m4x12 screws and remove the rear under bar from the machine p.233
- Only dcp 8250dn mfc 8950dw mfc 8950dwt mfc 8952dw and mfc 8952dwt are equipped with a rear under bar p.233
- Fig 3 117 p.234
- 6 remove the three taptite cup s m3x8 sr screws and four taptite bind b m4x12 screws and remove the main frame l assy from the machine then pull out the low voltage power supply harness the eject sensor harness and the main hvps flat cable from the main frame l assy p.234
- Main motor assy p.235
- Develop joint gear 37 develop joint p.237
- Lt drive gear 29 p.238
- Fig 3 121 p.238
- 1 pull out the lt drive gear 29 from the main frame l assy p.238
- Toner sensor pcb assy p.239
- Harness routing refer to 2 relay front pcb assy p.239
- Fig 3 122 p.239
- 4 release the two hooks to remove the toner led holder from the toner sensor pcb assy p.239
- 3 release the two hooks to remove the toner sensor pcb assy from the main frame l assy p.239
- 2 release the toner sensor harness from the securing fixtures p.239
- 1 remove the mp sector gear spring from the main frame l assy p.239
- Mp solenoid p.240
- Develop clutch 51r develop one way clutch 53 p.241
- New toner actuator p.242
- Internal temperature thermistor p.243
- Fig 3 126 p.243
- 1 release the internal temperature thermistor harness from the two hooks and the guide and remove the internal temperature thermistor from the main frame l assy p.243
- Fuser drive gear 39 p.244
- Fig 3 128 p.245
- 2 remove the fuser drive gear 39 from the main frame l assy p.245
- Assembling note p.246
- 7 remove the duplex solenoid spring from the duplex solenoid p.246
- 6 remove the taptite bind b m3x10 screw and remove the duplex solenoid and the duplex solenoid lever from the main frame l assy then remove the duplex solenoid lever from the duplex solenoid p.246
- 5 remove the eject sector gear from the main frame l assy p.246
- 4 remove the eject sector gear spring from the main frame l assy p.246
- 3 remove the eject switch arm from the main frame l assy p.246
- 2 remove the eject switch arm spring from the main frame l assy p.246
- 1 remove the eject idle gear 20 from the main frame l assy p.246
- When attaching the eject sector gear spring and the duplex solenoid spring pay attention to the direction as shown in the illustration above p.246
- Fig 3 129 p.246
- Duplex solenoid p.246
- When attaching the back cover sensor insert it at an angle from the right side p.247
- Harness routing refer to 1 main pcb assy p.247
- Fig 3 130 p.247
- Back cover sensor p.247
- Assembling note p.247
- 2 release the two hooks and remove the back cover sensor from the main frame l assy p.247
- 1 release the back cover sensor harness from the securing fixtures p.247
- When the bottom frame l is not used in the machine remove the lt connector t1 from the main frame l assy p.248
- Lt connector t1 p.248
- Fig 3 131 p.248
- 2 release the two hooks to remove the lt connector t1 from the bottom frame l p.248
- 1 remove the three taptite bind b m4x12 screws and remove the bottom frame l from the main frame l assy then pull out the lt harness from the main frame l assy p.248
- T1 roller holder assy p.249
- High voltage power supply pcb assy p.250
- Fig 3 134 p.251
- 2 open the hv insulation sheet remove the two taptite bind b m4x12 screws and release the two hooks lift the hv insulation sheet and the high voltage power supply pcb assy and remove the feed earth spring from the machine p.251
- Eject sensor pcb assy p.253
- Mp roller holder assy mp separation pad assy mp separation pad spring p.254
- T1 paper feed sensor pcb assy t1 paper feed actuator t1 paper feed actuator spring p.255
- Harness routing refer to 4 high voltage power supply pcb assy p.256
- Fig 3 139 p.256
- 5 release the t1 paper feed sensor harness from the t1 paper feed actuator holder and then release the hook to remove the t1 paper feed sensor pcb assy from the t1 paper feed actuator holder p.256
- 4 remove the t1 paper feed actuator spring from the t1 paper feed actuator p.256
- 3 turn the t1 paper feed actuator in the direction of arrow 3a and push the hook on the t1 paper feed actuator holder to slide the t1 paper feed actuator in the direction of arrow 3b to remove it from the t1 paper feed actuator holder p.256
- Mp paper empty sensor pcb assy mp paper empty actuator 1 mp paper empty actuator 2 p.257
- Fig 3 140 p.257
- 1 remove the five taptite bind b m4x12 screws and remove the main frame r from the machine then pull out the low voltage power supply harness from the main frame r p.257
- Registration front rear sensor pcb assy registration front actuator registration rear actuator registration actuator spring p.260
- 3 remove the earth registration spring from the hook on the feed chute and remove the earth registration spring from the feed chute p.261
- Fig 3 144 p.261
- 5 release the hook and remove the registration actuator holder assy from the feed chute p.261
- 4 remove the electrode tr from the hook on the registration actuator holder assy and remove the electrode tr from the registration actuator holder assy p.261
- Paper tray 2 p.263
- Fig 3 147 p.263
- Fig 3 146 p.263
- Disassembly procedure lt unit p.263
- 5 remove the t2 separation pad spring from the t2 separation pad assy p.263
- 4 push both arms of the t2 separation pad assy in the direction of the arrows to remove both pins and remove the t2 separation pad assy from paper tray 2 p.263
- 3 release the two hooks on the t2 separation pad assy from paper tray 2 p.263
- 2 lift the plate to remove a on the t2 tray indicator from the plate remove the four bosses and remove the t2 tray cover from paper tray 2 p.263
- 1 remove the two taptite bind b m4x12 screws from paper tray 2 p.263
- Fig 3 148 p.264
- 7 remove the gear z22m10 and the idle gear z18m10 from paper tray 2 p.264
- 6 push the hook on the lift gear z48m10 while lifting the plate up plate and remove the lift gear z48m10 from paper tray 2 p.264
- T2 roller holder assy p.265
- T2 side cover l p.266
- Fig 3 151 p.266
- 2 release the two front hooks two top hooks and four bottom hooks and remove the t2 side cover l from the lt unit p.266
- 1 remove the taptite bind b m4x12 screw from the front side of the t2 side cover l p.266
- T2 side cover r p.267
- Fig 3 152 p.267
- 2 release the two front hooks two top hooks and four bottom hooks and remove the t2 side cover r from the lt unit p.267
- 1 remove the taptite bind b m4x12 screw from the front side of the t2 side cover r p.267
- T2 front cover assy p.268
- Fig 3 153 p.268
- 2 release the two hooks on the t2 front cover assy and remove the t2 front cover assy from the lt unit p.268
- 1 remove the taptite cup s m3x8 sr screw from the t2 front cover assy p.268
- Fig 3 154 p.269
- 3 release the hook to remove the t2 relay pcb assy from the lt unit p.269
- 2 release the hook to remove the core of the lt connector assy t2 from the lt unit p.269
- 1 disconnect all harnesses from the t2 relay pcb assy p.269
- T2 relay pcb assy p.269
- Fig 3 155 p.269
- T2 clutch p.270
- Fig 3 156 p.270
- 2 release the hook on the t2 clutch and remove the t2 clutch from the lt unit p.270
- 1 release the t2 clutch harness from the securing fixtures p.270
- T2 paper feed sensor pcb assy p.271
- Fig 3 158 p.271
- Fig 3 157 p.271
- 2 remove the two taptite cup s m3x8 sr screws and the two taptite bind b m4x12 screws and remove the t2 frame r unit from the lt unit p.271
- 1 remove the four taptite bind b m4x12 screws securing the two under bars and remove the two under bars from the lt unit p.271
- Fig 3 160 p.272
- Fig 3 159 p.272
- 5 release the t2 paper feed sensor harness from the securing fixtures p.272
- 4 remove the two taptite bind b m4x12 screws and remove the t2 front beam from the t2 paper feed frame unit p.272
- 3 remove the three taptite cup s m3x8 sr screws and remove the t2 paper feed frame unit from the lt unit then pull out the t2 paper feed sensor harness from the lt unit p.272
- Fig 3 161 p.273
- 6 remove the taptite bind b m3x10 screw and release the hook to remove the t2 paper feed actuator holder assy from the t2 paper feed frame unit then pull out the t2 paper feed sensor harness from the t2 paper feed frame unit p.273
- Fig 3 162 p.274
- 9 release the t2 paper feed sensor harness from the t2 paper feed actuator holder assy and then release the hook to remove the t2 paper feed sensor pcb assy from the t2 paper feed actuator holder assy p.274
- 8 remove the t2 paper feed actuator spring from the t2 paper feed actuator p.274
- 7 turn the t2 paper feed actuator in the direction of arrow 7a and push the hook on the t2 paper feed actuator holder assy to slide the t2 paper feed actuator in the direction of arrow 7b to remove it from the t2 paper feed actuator holder assy p.274
- T2 back cover p.275
- Fig 3 163 p.275
- 1 remove the two taptite bind b m4x12 screws and remove the t2 back cover from the lt unit p.275
- Lt connector assy t2 p.276
- Fig 3 164 p.276
- 1 release the two hooks and remove the lt connector assy t2 from the lt unit p.276
- Chapter p.277
- Contents p.278
- Chapter 4 adjusting and updating settings as required after parts replacement p.278
- If you replace the main pcb assy p.279
- What you need to prepare p.279
- Installing firmware using usb flash memory p.280
- Installing firmware p.280
- Checking firmware version p.280
- Setting by country p.281
- Installing firmware using pc p.281
- Initializing the eeprom of the main pcb assy p.281
- Setting serial number and entering adjusted value of laser unit p.282
- Adjusting touch panel touch panel models only p.283
- Acquiring white level data p.283
- What you need to prepare p.284
- If you replace the laser unit p.284
- Entering adjusted value of laser unit p.284
- What you need to prepare p.286
- Resetting irregular power supply detection counter p.286
- If you replace the low voltage power supply pcb assy p.286
- What you need to prepare p.287
- Initializing pre discharge detection parameters p.287
- If you replace the high voltage power supply pcb assy p.287
- If you replace any periodic replacement parts p.288
- What you need to prepare p.289
- Installing firmware touch panel models only p.289
- If you replace the control panel assy or touch panel assy p.289
- Checking firmware version p.289
- Installing firmware using usb flash memory p.290
- Installing firmware using pc p.290
- Checking lcd operation p.291
- Checking control panel operation p.291
- Adjusting touch panel touch panel models only p.291
- If you replace the document scanner unit adf unit duplex scanning model or cis unit p.292
- Acquiring white level data function code 55 p.292
- Chapter 5 p.293
- Service functions p.293
- Contents p.294
- Chapter 5 service functions p.294
- Touch panel models p.296
- Non touch panel models p.296
- Method of entering maintenance mode for service personnel p.296
- Method of entering end user accessible maintenance mode p.296
- Maintenance mode p.296
- How to enter maintenance mode p.296
- List of maintenance mode functions p.297
- Initialize eeprom parameters function code 01 91 p.298
- Details of maintenance mode functions p.298
- Print white level black level data for document scanning compensation function code 05 p.299
- Data to be printed common to monochrome color p.299
- Move cis unit to transportation position function code 06 p.301
- Adf performance test function code 08 p.301
- Print test pattern function code 09 p.302
- Set worker switches wsw function code 10 p.303
- Set worker switches wsw and print worker switch setting data function code 10 11 p.303
- List of worker switches p.303
- Wswxx 0 0 0 0 0 0 0 0 p.305
- Print worker switch wsw setting data function code 11 p.306
- Check lcd operation function code 12 p.307
- This function is used to check that the buttons on the control panel operate normally p.308
- Press the buttons on the control panel according to the numbers provided on the figure below p.308
- Each time the button is pressed the corresponding figure is displayed on the lcd in decimal notation check that the number displayed on the lcd matches the number assigned to the button that has been pressed if the buttons are pressed in the incorrect order invalid operate is displayed on the lcd press the stop exit button and then press the correct button p.308
- Dcp 8250dn p.308
- Dcp 8110dn 8150dn 8152dn 8155dn 8157 p.308
- Dcp 8110d p.308
- Check control panel button operation function code 13 p.308
- 3 when button operation is normal the machine returns to the initial state of maintenance mode when the last button is pressed to cancel operation and return to the initial state of maintenance mode press the stop exit button p.308
- 1 press the 1 and 3 buttons in this order in the initial state of maintenance mode 00 is displayed on the lcd p.308
- Mfc 8950dw 8950dwt 8952dw 8952dwt p.309
- Mfc 8510dn 8512dn 8515dn 8520dn 8710dw 8712dw 8810dw 8910dw 8912dw p.309
- Fig 5 9 p.309
- Fig 5 8 p.309
- Confidential p.309
- Display software version function code 25 p.310
- Check sensor operation function code 32 p.311
- Change t1 paper feed sensor from off to on the t1 clutch remains on for the specified time p.312
- Location of sensors p.312
- Fig 5 10 p.312
- Change registration rear sensor from off to on the registration clutch remains on for the specified time p.312
- Change registration front sensor from off to on the duplex solenoid remains on for the specified time p.312
- Change new toner sensor from off to on the develop clutch 51r remains on for the specified time p.312
- Change mp paper empty sensor from off to on the mp solenoid remains on for the specified time p.312
- 5 when the stop exit button is pressed this operation is finished and the machine returns to the initial state of maintenance mode p.312
- 4 operate the sensor from off to on as below to check the operation of the corresponding solenoid or clutch p.312
- Sensor operation solenoid clutch operation p.312
- Display lan connection status function code 33 p.313
- Setting functions p.314
- Set pc print functions function code 43 p.314
- Change usb no return value adjust left end print start position on second side when duplex printing change on off setting for deep sleep function function code 45 p.317
- Change usb no return value p.317
- Adjust left end print start position on second side when duplex printing p.317
- Change on off setting for deep sleep function when deep sleep function is enabled and machine has storage data secure p.318
- Touch panel models p.319
- Set country language function code 52 p.319
- Non touch panel models p.319
- Transfer received fax data log information function code 53 p.320
- Fig 5 12 p.321
- Fig 5 11 p.321
- Fine tune scanning position function code 54 p.322
- Acquire white level data and set cis scan area function code 55 p.322
- Adjust touch panel function code 61 p.323
- Continuous print test function code 67 p.324
- Print frame pattern single side printing function code 69 p.326
- Print frame pattern duplex printing function code 70 p.328
- Print solid pattern function code 71 p.329
- Setting by country function code 74 p.330
- Print maintenance information function code 77 p.333
- 2 when printing is completed the machine returns to the initial state of maintenance mode p.333
- 1 press the 7 button twice in the initial state of maintenance mode printing is displayed on the lcd and printing maintenance information starts p.333
- Check fan operation function code 78 p.335
- Display machine log information function code 80 p.336
- Send communication log information to telephone line function code 87 p.339
- Reset counters for periodic replacement parts function code 88 p.339
- Display machine error code function code 82 p.339
- Quit maintenance mode function code 99 p.340
- Change on off setting for deep sleep mode p.341
- Touch panel models p.341
- Other service functions p.341
- Non touch panel models p.341
- Touch panel models p.342
- Non touch panel models p.342
- Change on off setting for sleep mode p.342
- Touch panel models p.343
- Reset periodic replacement parts p.343
- Non touch panel models p.343
- Touch panel models when no toner is not displayed p.344
- Touch panel models when no toner is displayed p.344
- Reset developer roller counter p.344
- Non touch panel models p.344
- Non touch panel models touch panel models p.345
- Non touch panel models p.345
- Display rom version p.345
- Touch panel models p.345
- Perform demo printing p.345
- Wiring diagram p.346
- Chapter 6 p.346
- Contents p.347
- Chapter 6 wiring diagram p.347
- Periodical maintenance p.349
- Chapter p.349
- Safety precautions 1 p.350
- Periodical replacement parts 2 p.350
- Contents p.350
- Chapter 7 periodical maintenance p.350
- Warning p.351
- Safety precautions p.351
- Preparation p.352
- Periodical replacement parts p.352
- When attaching the back cover open the front cover and attach the back cover while lifting the rear nip release link p.353
- Fuser unit p.353
- Fig 7 3 p.353
- Fig 7 2 p.353
- Be careful not to damage the ribs inside the back cover p.353
- Assembling note p.353
- 4 open the outer chute approximately 80 degrees remove the outer chute from boss b on the right side of the machine and remove the outer chute from the machine in the direction of the arrow p.353
- 3 remove the back cover from boss a on the machine and remove the back cover from the machine p.353
- 2 push both ribs of the back cover in the direction of the arrows and remove the two bosses on the outer chute p.353
- 1 open the back cover p.353
- 6 remove the fuser cover from the bosses on the fuser unit and remove the fuser cover from the machine p.354
- Fig 7 4 p.354
- 9 remove the taptite pan b m4x14 screw and release the hook to remove the fuser unit line cover l from the machine p.354
- 8 remove the rear nip release link from the machine p.354
- 7 remove the taptite bind b m4x12 screw and release the hook to remove the fuser unit line cover r from the machine p.354
- 5 push the two knobs on the fuser cover and pull the fuser cover down in the direction of the arrow p.354
- Make sure that the front cover is open when removing the rear nip release link p.354
- Fig 7 5 p.354
- Laser unit p.357
- Fig 7 9 p.357
- Fig 7 10 p.357
- 3 remove the two taptite bind b m4x12 screws from the front side of the side cover l and the side cover r assy p.357
- 2 remove the two taptite bind b m4x12 screws from the back side of the side cover l and the side cover r assy p.357
- 1 open the back cover p.357
- Fig 7 12 p.358
- Fig 7 11 p.358
- 6 release the nine hooks and remove the side cover r assy from the machine p.358
- 5 release the eight hooks and remove the side cover l from the machine p.358
- 4 push the front cover release button and open the front cover assy p.358
- The second side cis flat cable and the second side document scanning position sensor harness are provided for duplex scanning models only p.360
- Fig 7 14 p.360
- 8 disconnect the second side cis flat cable duplex scanning models only first side cis flat cable adf cover document detection sensor harness second side document scanning position sensor harness adf motor harness document scanner motor harness panel pcb harness wireless lan harness models with wireless lan only usb host harness speaker harness models with speaker only and ncu harness models with ncu only from the main pcb assy and release these harnesses from the securing fixtures p.360
- Fig 7 15 p.361
- 9 pull out the wireless lan harness and the usb host harness from the main pcb shield calking assy p.361
- 12 release the six hooks and slide the joint cover in the direction of the arrow to remove it from the machine p.361
- 11 remove the four taptite bind b m4x12 screws and the taptite cup s m3x8 sr screw p.361
- 10 remove the screw pan s p washer m3 x6 da screw to release the ncu earth harness and remove the ncu earth harness from the guide on the machine p.361
- Mp paper feeding kit p.363
- The illustration shows paper tray 1 250 sheets p.364
- Paper tray 1 250 sheets 500 sheets t1 paper tray 2 500 sheets t2 p.364
- Paper feeding kit 1 p.364
- Fig 7 19 p.364
- Fig 7 18 p.364
- 5 remove the t1 separation pad spring from the t1 separation pad assy p.364
- 4 push both arms of the t1 separation pad assy in the direction of the arrows to remove both pins and then remove the t1 separation pad assy from the paper tray 1 p.364
- 3 release the two hooks on the t1 separation pad assy from the paper tray 1 p.364
- 2 lift the plate to remove a on the t1 tray indicator from the plate remove the four bosses and then remove the t1 tray cover from the paper tray 1 p.364
- 1 remove the two taptite bind b m4x12 screws from the paper tray 1 p.364
- Paper feeding kit 2 p.366
- Fig 7 22 p.366
- Fig 7 21 p.366
- 5 remove the t2 separation pad spring from the t2 separation pad assy p.366
- 4 push both arms of the t2 separation pad assy in the direction of the arrows to remove both pins and then remove the t2 separation pad assy from the paper tray 2 p.366
- 3 release the two hooks on the t2 separation pad assy from the paper tray 2 p.366
- 2 lift the plate to remove a on the t2 tray indicator from the plate remove the four bosses and then remove the t2 tray cover assy from the paper tray 2 p.366
- 1 remove the two taptite bind b m4x12 screws from the paper tray 2 p.366
- Serial numbering system p.368
- Appendix p.368
- Serial number label 1 location p.369
- Fig app 1 2 p.369
- Fig app 1 1 p.369
- Appendix 1 serial numbering system p.369
- App 1 1 p.369
- Appendix p.370
- This appendix provides instructions on how to delete user setting information recorded in the machine p.370
- Deleting user setting information p.370
- Appendix 2 deleting user setting information p.371
- Installing maintenance driver p.372
- Appendix p.372
- Appendix 3 installing maintenance driver p.373
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