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Kyocera FS-1000 Plus [66/163] Eraser lamp control circuit
![Kyocera FS-1000 Plus [66/163] Eraser lamp control circuit](/views2/1147197/page66/bg42.png)
4-21
FS-1000/1000+
Eraser lamp control circuit
The CPU turns pin #45 (ERASERN) of U01 to H level, transistors Q12 and Q13 turns on
consequently, and the 24 V DC given at pin #1 of YC05 applies to the eraser lamps. The eraser
lamps thus illuminate as the current flows through the eraser lamp, the 2nd pin of YC05, resistors
R58, R59, and R61, and the ground.
Pin #27 (ERRDYN) of the CPU U01 is wired to the crossing of R59 and R61 via R60. The CPU
turns pin #45 (ERASERN) to H level and monitors the input level after one second. If the eraser
lamp is normal, the current flowing through R60 also flows DZ02, making the voltage at pin #27 to
be approximately 2.7 V. On the contrary, if the level at pin #27 (ERRDYN) is less than 1 V for more
than 2 seconds, despite the CPU turns pin #45 (ERASERN) to H level and applying the 24 V DC to
pin #1 of YC05, the CPU recognizes that the current is not flowing through the eraser lamp. The
message “Call service person E5” is then displayed.
R57
R58
R60
R58
GND
GND
GND
1
1
2
2
3
Q13
2
3
1
ERRDYN
1
2
R59
R61
DZ02
Q12
ERASERN
+24V
ERASPW
C32
Eraser lamp
YC05
P16/ANI6
P02/INTP2
27
45
CPU
U01
ERASER
Engine board
Eraser lamp cotrol circuit
Figure 4-3-4 Eraser lamp control circuit
Содержание
- Important notice to service person 2
- Information 2
- Notice 2
- About the chapters 3
- Revision history 4
- Chapter 1 p r o d u c t i n f o r m a t i o n 5
- P r o d u c t i n f o r m a t i o n 5
- Chapter 1 contents 6
- 1 1 specifications 7
- 1 engine 7
- 1 printer specifications 7
- 2 controller 8
- 3 weight and dimensions 8
- 4 power requirement 9
- 5 environmental requirements 9
- 2 1 name of parts 10
- 2 names of parts 10
- Figure 1 2 1 name of parts 10
- Fs 1000 1000 10
- 1 laser safety 11
- 2 laser notice 11
- 3 1 safety information 11
- 3 laser caution label on the scanner unit 11
- 3 safety information 11
- 4 cdrh regulations u s a 13
- 5 ozone concentration 13
- 6 fcc statement u s a 13
- 10 avis de conformité aux normes du ministère des communications du canada 14
- 11 iso 7779 14
- 7 optional equipment 14
- 8 important note on the interface connectors 14
- 9 canadian department of communications compliance statement 1 14
- 4 1 environmental conditions 15
- 4 environmental requirements 15
- 1 clearance 16
- 2 places to avoid 17
- 3 note on power 17
- 4 removing the printer 18
- 1 toner container handling 19
- 5 1 toner container 19
- 5 about the toner container 19
- 2 toner container storage 20
- Chapter 2 installation operation 21
- Installation operation 21
- Chapter 2 contents 22
- 1 1 unpacking and inspection 23
- 1 unpacking 23
- 2 1 installing the toner container 24
- 2 installing the printer 24
- 1 minimum memory requirements 28
- 2 2 expanding memory 28
- 2 dimm specifications 28
- 3 notes on handling dimm 29
- 4 installing the dimm 30
- 5 testing the expansion memory 31
- 6 installing kpdl 32
- Getting access to the kpdl rom socket 33
- 3 1 operator panel 34
- 3 using the operator panel 34
- 3 2 remote operation panel 35
- Chapter 3 maintenance adjustments 36
- Maintenance adjustments 36
- Chapter 3 contents 37
- 1 1 life expectancy of modules 38
- 1 maintenance adjustments 38
- 1 2 toner container 39
- 1 when to replace the toner container 39
- 2 notes on changing toner container 39
- 3 toner container replacement 40
- 4 toner saver mode ecoprint 41
- 1 3 cleaning the printer 42
- 1 cleaning the registration roller 43
- 2 cleaning the main charger wire 43
- 1 4 updating the firmware 44
- 1 firmware data format 44
- Ds8844 dat 44
- 2 downloading controller firmware data 45
- 2 downloading controller firmware data to download controller firmware data use prescribe upgr command as follows 45
- Caution downloading controller firmware takes several minutes do not turn power off during downloading 45
- Confirm the status page shows the new firmware version see service information on the status page on page b 4 if downloading fails the printer indicates an error display using the led indicators to identify error refer to the table which follows 45
- Fs 1000 1000 45
- Prn dos copy b the data from the host computer to the printer confirm that downloading was finished normally by the led indicator see the table below turn power off turn power on again check the printer gets ready if the display shows an error see to the table below 45
- Chapter 4 o p e r a t i o n o v e r v i e w 46
- O p e r a t i o n o v e r v i e w 46
- Chapter 4 contents 47
- 1 1 electrophotographic cycle 48
- 1 electrophotographic system 48
- Process unit mechanism 49
- 1 main charging 50
- Photo conductive drum 50
- Charging the drum 51
- 2 exposure 52
- Laser scanner unit 53
- Drum surface potential 54
- Drum surface potential the laser beam is continually switched on and off depending on the print data it is on for a black exposed dot and off for a white blank dot since the drum surface is evenly charged whenever it is illuminated by the laser beam the electrical resistance of the photoconductor is reduced and the potential on the photoconductor is also lowered resulted on the drum surface is an electrostatic image which represents the data to print note that the area to be printed black has the low potential constituting a positively exposed image 54
- Figure 4 1 7 drum surface potential 54
- Fs 1000 1000 54
- 3 development 55
- 4 transfer 56
- 5 fusing 57
- Fuser unit mechanism 58
- 6 cleaning 59
- 2 paper feeding system 60
- 2 1 paper feed control 61
- 2 1 paper feed control the following diagram shows interconnectivity of the feeding system components including the sensors and rollers the engine board provides the signals in conjunction with the electrophotography process that is driven by the main board 61
- Figure 4 2 2 paper feed control 61
- Fs 1000 1000 61
- Paper feeding mechanism 62
- 3 1 electrical parts layout 63
- 3 electrical control system 63
- 1 main board 64
- 3 2 operation of circuit boards 64
- Apc i f 64
- Compact flash socket 64
- Debugger optional serial i f 64
- Dimm slot 64
- Engine i f 64
- Figure 4 3 2 main board circuit block diagram 64
- Fs 1000 1000 64
- Kpdl rom socket 64
- Kuio lv 64
- Main board kp 780 64
- Parallel i f 64
- Sdram dimm slot 64
- To engine board 64
- To laser scanner unit 64
- 2 engine board 65
- Figure 4 3 3 engine board circuit block diagram 65
- Fs 1000 1000 65
- Cpu u01 66
- Engine board 66
- Eraser lamp 66
- Eraser lamp control circuit 66
- Eraser lamp control circuit the cpu turns pin 45 erasern of u01 to h level transistors q12 and q13 turns on consequently and the 24 v dc given at pin 1 of yc05 applies to the eraser lamps the eraser lamps thus illuminate as the current flows through the eraser lamp the 2nd pin of yc05 resistors r58 r59 and r61 and the ground pin 27 errdyn of the cpu u01 is wired to the crossing of r59 and r61 via r60 the cpu turns pin 45 erasern to h level and monitors the input level after one second if the eraser lamp is normal the current flowing through r60 also flows dz02 making the voltage at pin 27 to be approximately 2 v on the contrary if the level at pin 27 errdyn is less than 1 v for more than 2 seconds despite the cpu turns pin 45 erasern to h level and applying the 24 v dc to pin 1 of yc05 the cpu recognizes that the current is not flowing through the eraser lamp the message call service person e5 is then displayed 66
- Eraser lamp cotrol circuit 66
- Figure 4 3 4 eraser lamp control circuit 66
- Fs 1000 1000 66
- Bias board 67
- Cpu u01 67
- Engine board 67
- Figure 4 3 5 heater lamp control circuit 67
- Fs 1000 1000 67
- Heat roller 67
- Heater lamp 67
- Heater lamp control circuit 67
- Heater lamp control circuit the heater lamp control circuit turns the heater lamp on and off which is located coaxial inside the heat roller so that the surface of the roller maintains the constant specific temperature needed to permanently fuse the toner on paper the heater lamp is directly fed with ac primary power 120 v or 220 240 v which is supplied from the power supply board the cpu u01 detects variation in voltage resultant of change in temperature given at pin 33 therma by the thermistor this voltage is used to effectively switch the fuser lamp on and off if pin 1 heat is h level transistor array qa01 pin 5 turns on the photo coupler on the power supply board turns on and the triac turns on consequently the heater lamp is ac powered and lights the heater lamp continuously turns on and off to maintain the temperature on the heater roller at approximately 170 c normal paper and 185 c thick paper for printing and approximately 160 c at stand by 67
- High voltage board 67
- If the temperature does not decrease more than 1 c within 20 seconds since the cpu turns pin 1 heat off to disable the heater lamp the printer displays call service person e4 67
- Photo coupler 67
- Power supply board 67
- Thermal cutout 67
- Thermistor 67
- 173 rpm 69
- 24v pgnd plgdrn plgrdyn plgclk 69
- Cpu u01 69
- Engine board 69
- Figure 4 3 6 polygon motor control circuit 69
- Fs 1000 1000 69
- Laser scanner unit 69
- Pll control ic ic1 69
- Polygon motor 69
- Polygon motor control circuit 69
- Polygon motor control circuit the main controller board supplies the 1417 hz clock pulse plgclk via the engine board to the pll control ic ic1 for the polygon motor to begin printing the engine cpu u01 turns plgdr to h level the pll control ic ic1 starts to revolve the polygon motor so that the revolution is 14 173 rpm which depends on the plgclk clock pulse when pll control ic ic1 finds that the polygon motor is revolving at the rated speed turns plgdrn to l level to acknowledge the engine cpu that the rated speed has been achieved on the contrary if plgrdyn does not turn to l level within 8 seconds since plgdrn has been l level the printer displays call service person e2 69
- 3 power supply board 70
- 3 power supply board the power supply board provides the ac power input and dc power and outputs the high voltage bias generator circuit is mounted on a separate board a simplified schematic diagram is shown below 70
- Figure 4 3 7 power supply board circuit block diagram 70
- Fs 1000 1000 70
- 4 bias board 71
- 4 bias board the bias board contains the developing bias output circuit registration sensor paper empty sensor and the cassette switch it also provides a liaison connection to the high voltage board power supply and the toner sensor 71
- Figure 4 3 8 bias board circuit block diagram 71
- Fs 1000 1000 71
- 5 high voltage board 72
- 5 high voltage board the high voltage board contains the high voltage output circuit interlock switch circuit as well as providing a liaison connection with the power supply board bias board and the engine board 72
- Figure 4 3 9 high voltage board circuit block diagram 72
- Fs 1000 1000 72
- Interlock switch 73
- Chapter 5 d i s a s s e m b l y 74
- D i s a s s e m b l y 74
- Chapter 5 contents 75
- 1 1 screw hardware 76
- 1 2 before starting disassembly 76
- 1 general instructions 76
- 2 1 removing the process unit 77
- 2 disassembly 77
- 1 removing the top cover face down output tray 78
- 2 2 removing the principal outer covers 78
- 2 removing the right cover 79
- 3 removing the left cover 79
- 2 3 removing the feed roller 80
- 2 4 removing the mp tray feed roller 81
- 2 5 removing the transfer roller 83
- 1 removing the engine board 84
- 2 6 removing the principal circuit boards 84
- 2 removing the main board 85
- 3 removing the power supply board and high voltage board 87
- 4 removing the bias board 88
- 2 7 removing the main motor and drive unit 89
- 2 8 removing and splitting the fuser unit 93
- 1 removing the separators 95
- 2 removing the heater lamp 96
- 3 removing the heat roller 97
- 4 removing the thermistor 99
- 5 removing the thermal cutout 100
- 6 removing the press roller 101
- 2 9 removing the laser scanner unit and the eraser lamp 102
- 2 10 removing the main charger unit 105
- Chapter 6 t r o u b l e s h o o t i n g 106
- T r o u b l e s h o o t i n g 106
- Chapter 6 contents 107
- 1 1 error messages 108
- 1 troubleshooting 108
- 1 messages 109
- Normal messages 110
- Maintenance messages 111
- Error messages 112
- 1 2 service error indications 114
- 1 2 service error indications service errors are represented by the alternating flashing of the indicators leds each error is represented by the notation of d e and f and can be monitored on the remote operation panel utility e g e1 is for the main motor error 114
- 1 d9 waste toner full total page count less than 100 000 pages of printing 114
- Call service persond9 nnnnnn 114
- Fs 1000 1000 114
- 2 da waste toner full total page count more than 100 000 pages of printing 115
- Call service personda nnnnnn 115
- Fs 1000 1000 115
- 3 e1 main motor error 116
- Call service persone1 nnnnnn 116
- Fs 1000 1000 116
- 4 e2 laser scanner unit polygon motor error 117
- Call service persone2 nnnnnn 117
- Fs 1000 1000 117
- Fs 1000 1000 118
- 5 e3 laser scanner unit pin photo diode error 119
- Call service persone3 nnnnnn 119
- Fs 1000 1000 119
- Fs 1000 1000 120
- 6 e4 fuser unit error 121
- Call service persone4 nnnnnn 121
- Fs 1000 1000 121
- 7 e5 eraser lamp error 122
- Call service persone5 nnnnnn 122
- Fs 1000 1000 122
- 10 f3 controller system error 123
- 8 f1 controller checksum error 123
- 9 f2 controller ram read write error 123
- Call service personf1 nnnnnn 123
- Call service personf2 nnnnnn 123
- 1 3 print quality problems 124
- Abc 123 124
- 1 completely blank printout 125
- 2 all black printout 126
- 3 dropouts 127
- Abc 123 127
- 4 black dots 128
- 5 black horizontal streaks 128
- Abc 123 128
- 6 black vertical streaks 129
- Abc 123 129
- 7 unsharpness 130
- 8 gray background 131
- Abc 123 131
- 9 dirt on the top edge or back of the paper 132
- Abc 123 132
- Figure 6 1 2 repetitive defects gauge 133
- Fs 1000 1000 133
- Repetitive defects gauge 133
- Repetitive defects gauge use the following measurements for checking repetitive occurrences on the printed page see the above section for details 133
- 1 4 correcting a paper jam 134
- 1 jam at the face down and face up trays 134
- 2 jam at the paper cassette 135
- 3 jam inside the printer 135
- Appendix a d i a g r a m s 136
- Appendix a contents 137
- Bias developing bias 138
- Cassette feeding legal size fs 1000 138
- Count total counter 138
- Eraspw eraser lamp 138
- Feddrn feed clutch 138
- Fs 1000 1000 138
- Jamo exit sensor 138
- Jamr registration sensor 138
- Lden laser diode 138
- Mhvdr main charger 138
- Motorn main motor 138
- Plgdrn polygon motor 138
- Resdrn registration clutch 138
- Thvdr transfer charger 138
- Timing charts 138
- Varies depending on paper size jam detection timing drum speed 60 0 mm s paper feeding speed 160 0 mm s printing speed 8 2 ppm 138
- Bias developing bias 139
- Cassette feeding a4 and others excluding legal size fs 1000 139
- Count total counter 139
- Drum speed 60 0 mm s paper feeding speed 160 0 mm s printing speed 10 7 ppm 139
- Eraspw eraser lamp 139
- Feddrn feed clutch 139
- Fs 1000 1000 139
- Jamo exit sensor 139
- Jamr registration sensor 139
- Lden laser diode 139
- Mhvdr main charger 139
- Motorn main motor 139
- Plgdrn polygon motor 139
- Resdrn registration clutch 139
- Thvdr transfer charger 139
- Varies depending on paper size jam detection timing 139
- Bias developing bias 140
- Count total counter 140
- Drum speed 60 0 mm s paper feeding speed 60 0 mm s printing speed 8 2 ppm 140
- Eraspw eraser lamp 140
- Fs 1000 1000 140
- Jamo exit sensor 140
- Jamr registration sensor 140
- Lden laser diode 140
- Mhvdr main charger 140
- Motorn main motor 140
- Mp tray feeding legal size fs 1000 140
- Mpfsol mp feed clutch 140
- Plgdrn polygon motor 140
- Resdrn registration clutch 140
- Thvdr transfer charger 140
- Varies depending on paper size jam detection timing 140
- Bias developing bias 141
- Count total counter 141
- Drum speed 60 0 mm s paper feeding speed 60 0 mm s printing speed 10 7 ppm 141
- Eraspw eraser lamp 141
- Fs 1000 1000 141
- Jamo exit sensor 141
- Jamr registration sensor 141
- Lden laser diode 141
- Mhvdr main charger 141
- Motorn main motor 141
- Mp tray feeding a4 and others excluding legal size fs 1000 141
- Mpfsol mp feed clutch 141
- Plgdrn polygon motor 141
- Resdrn registration clutch 141
- Thvdr transfer charger 141
- Varies depending on paper size jam detection timing 141
- Bias developing bias 142
- Cassette feeding legal size a4 and others fs 1000 142
- Count total counter 142
- Eraspw eraser lamp 142
- Feddrn feed clutch 142
- Fs 1000 1000 142
- Jamo exit sensor 142
- Jamr registration sensor 142
- Lden laser diode 142
- Mhvdr main charger 142
- Motorn main motor 142
- Plgdrn polygon motor 142
- Resdrn registration clutch 142
- Thvdr transfer charger 142
- Varies depending on paper size jam detection timing drum speed 72 0 mm s paper feeding speed 192 0 mm s printing speed 10 2 ppm 142
- Bias developing bias 143
- Count total counter 143
- Drum speed 72 0 mm s paper feeding speed 132 4 mm s printing speed 12 0 ppm 143
- Eraspw eraser lamp 143
- Fs 1000 1000 143
- Jamo exit sensor 143
- Jamr registration sensor 143
- Lden laser diode 143
- Mhvdr main charger 143
- Motorn main motor 143
- Mp tray feeding a4 and others excluding legal size fs 1000 143
- Mpfsol mp feed clutch 143
- Plgdrn polygon motor 143
- Resdrn registration clutch 143
- Thvdr transfer charger 143
- Varies depending on paper size jam detection timing 143
- Bias developing bias 144
- Count total counter 144
- Drum speed 72 0 mm s paper feeding speed 132 4 mm s printing speed 10 2 ppm 144
- Eraspw eraser lamp 144
- Fs 1000 1000 144
- Jamo exit sensor 144
- Jamr registration sensor 144
- Lden laser diode 144
- Mhvdr main charger 144
- Motorn main motor 144
- Mp tray feeding legal size fs 1000 144
- Mpfsol mp feed clutch 144
- Plgdrn polygon motor 144
- Resdrn registration clutch 144
- Thvdr transfer charger 144
- Varies depending on paper size jam detection timing 144
- Bias developing bias 145
- Count total counter 145
- Eraspw eraser lamp 145
- Fs 1000 1000 145
- Jamo exit sensor 145
- Jamr registration sensor 145
- Lden laser diode 145
- Mhvdr main charger 145
- Motorn main motor 145
- Option paper feeder feeding a4 and others excluding legal size fs 1000 145
- Pfmdrn pf feed motor 145
- Plgdrn polygon motor 145
- Resdrn registration clutch 145
- Thvdr transfer charger 145
- Varies depending on paper size jam detection timing drum speed 72 0 mm s paper feeding speed 240 0 mm s printing speed 10 2 ppm 145
- Bias developing bias 146
- Count total counter 146
- Eraspw eraser lamp 146
- Fs 1000 1000 146
- Jamo exit sensor 146
- Jamr registration sensor 146
- Lden laser diode 146
- Mhvdr main charger 146
- Motorn main motor 146
- Option paper feeder feeding legal size fs 1000 146
- Pfmdrn pf feed motor 146
- Plgdrn polygon motor 146
- Resdrn registration clutch 146
- Thvdr transfer charger 146
- Varies depending on paper size jam detection timing drum speed 72 0 mm s paper feeding speed 240 0 mm s printing speed 10 2 ppm 146
- Bias board kp 783 147
- Connector board kp 796 147
- Cooling fan 147
- Engine board kp 781 147
- Eraser lamp kp 790 147
- Exit sensor 147
- Feed clutch 147
- Fs 1000 1000 147
- High voltage board 147
- Interlock switch 147
- Laser scanner unit 147
- Main board kp 780 147
- Main motor 147
- Mp feed clutch 147
- Mp paper sensor 147
- Optional paper feeder pf 17 147
- Pf feed board kp 794 147
- Pf feed motor 147
- Power supply board 147
- Power switch 147
- Registration clutch 147
- Registration sensor cassette switch paper sensor 147
- Thermal cutout 147
- Thermistor 147
- Toner sensor kp 786 147
- Waste toner sensor kp 786 147
- Wiring diagram 147
- Zenner board kp 788 147
- Appendix b s t a t u s p a g e 148
- Appendix b contents 149
- Printing the service status page 150
- Status page 150
- Controller firmware version released date of the firmware 151
- Details of service information 151
- Fs 1000 1000 151
- Service information on the status page 151
- Service information on the status page an example of the service status page is shown below note the details born by status page my differ from a firmware version to another most of the service information is located under service information most of these service information on the status page are alphanumerically coded each item is explained next page 151
- Service information the example mentioned above is a fs 1000 model 151
- Appendix c i n t e r f a c e 154
- Appendix c contents 155
- Parallel interface 156
- Selecting the parallel interface mode 156
- Parallel interface pin assignment 157
- Parallel interface signals 158
- Changing the serial interface configuration 159
- Serial interface optional 159
- Rs 232c interface voltage levels 161
- Rs 422a interface voltage levels 161
- Serial interface signals 161
- 2 3 4 5 6 7 162
- Connector configurations 162
- Rs 232c for computers with a db 25 connector 162
- Rs 232c for computers with a db 9 connector 162
- 3 7 9 0 163
- Fs 1000 1000 163
- On the computer serial port investigate pin assignments depends on the computer manufacture s instruction since the rs 422a configuration does not employ control lines except for data transmission reception select a mode in which signals such as dtr are not used 163
- Protocol 163
- Protocol the serial interface supports the full baud rate of 1200 2400 4800 9600 and 19200 38400 57600 and 115 k bps for adjusting serial interface parameters including baud rate parity etc refer to optional serial interface board ib 10e user s manual 163
- Rs 422a 163
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