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OKI C920WT [118/169] Cleaning the led heads
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Consumables and maintenance> 118
8. Close the front cover.
C
LEANING
THE
LED
HEADS
You are advised to clean the LED heads:
> any time you replace a toner cartridge (a LED lens cleaner is
enclosed with each replacement toner cartridge)
> if printing is showing signs of faded images, white stripes or
blurred letters
You can use a LED lens cleaner or dry, soft cloth for cleaning the LED
heads.
1. Open the top cover.
Содержание
- Caution 2
- Preface 2
- Reface 2
- Anufacturer 3
- Authorised representative 3
- Emergency first aid 3
- Environmental information 3
- Importer to the eu authorised representative 3
- Manufacturer 3
- Mergency first aid 3
- Mporter to th 3
- Nvironmental information 3
- Contents 4
- Ontents 4
- Caution 8
- Cautions and warning 8
- Notes cautions and warnings 8
- Safety warnings 8
- Warning 8
- Warning 9
- Warning 10
- Warning 11
- Warning 12
- Warning 13
- Features 14
- Introduction 14
- Ntroduction 14
- About this guide 16
- Software supplied 17
- Online usage 18
- Printing pages 18
- Caution 20
- Opening and closing the top cover 20
- Printer and paper overview 20
- Rinter and paper overview 20
- Identifying major components 22
- Caution 28
- Paper recommendations 28
- Transparencies 28
- If you have identical paper stock loaded in another tray for example tray 2 or the mp tray you can have the printer automatically switch to that other tray when the current tray runs out of paper this function can be enabled by driver settings when printing from a windows application or by a menu setting when printing from other applications 29
- Paper input and output information 29
- Sheets of 75 g m² paper 29
- The following table relates paper parameters to input trays tray 1 to tray 3 numbering from the top and mp tray and to output areas face down stacker and face up stacker 29
- Tray 1 is the standard blank paper input tray and can hold up to 530 sheets of 75 g m² paper additional trays to give a total of three can be added as an option to give a total tray capacity of 29
- Trays 1 to 3 29
- Trays and stackers 29
- Face down stacker 30
- Face up stacker 30
- Mp tray 30
- Loading trays 1 to 3 31
- Tray and stacker examples 31
- Using the mp tray 33
- Using the stackers 35
- Buttons and lights 38
- Control panel 38
- Ontrol panel 38
- Display panel messages 40
- Menu functions information 40
- Status information 40
- Configuration information 41
- Display panel messages 41
- Help mode 41
- Using the menus 41
- Etting started 43
- Getting started 43
- Printer location 43
- Turning off on 44
- Changing the display language 46
- Checking current settings 47
- Interfaces and connection 48
- Connecting the parallel interface 49
- Connecting the usb interface 49
- Caution 50
- Connecting the network interface 50
- Using the drivers cd 51
- How to access the driver screens 52
- Ow to access the driver screens 52
- Postscript driver 53
- Printing preferences in windows applications 53
- Changing the application s driver settings 54
- Changing the driver defaults 54
- Etting the driver device options 55
- Mac os x 55
- Setting the driver device options 55
- Windows 55
- Color mode 56
- Color print 56
- Color setting 56
- Olor setting 56
- Gray scale white print 58
- Print mode 60
- White off 60
- White on 60
- Finishing options 62
- Inishing options 62
- Application collate some application programs have a collate feature in their print options in this case the application performs the document collation and may send the job multiple times to the printer generally this method is slower but can be more reliable 63
- Collated pages print like this 63
- Collating 63
- If you experience problems using printer collate use the collate option in your application s print options instead 63
- Ollating 63
- Printer collate this section describes the collate function built into the printer driver in this case the job is stored temporarily in printer memory or on the printer s hard disk if installed and the printer performs collation this method is normally faster but may not work from all applications 63
- This feature allows multiple copies of a multipage document to be printed with the pages of each copy in sequence 63
- Uncollated pages print like this 63
- Windows 64
- Mac os x 65
- Separating queued print jobs 66
- Windows separator page 66
- Mac os x cover page 67
- Cover print 68
- Mac os x 68
- Custom page size 69
- Windows 69
- Mac os x 71
- Printing multiple pages on one sheet n up 72
- Windows 72
- Mac os x 73
- Mac os x 74
- Scale to page 74
- Transfer transparency film printing 75
- Windows 75
- Mac os x 76
- Adobe photoshop 77
- How to print with application setting 77
- Ow to print with application setting 77
- Adobe illustrator 78
- Caution 79
- Checking consumable maintenance item usage 79
- Consumables and maintenance 79
- Onsumables and maintenance 79
- Replacement indications 79
- Replacing consumables maintenance items 79
- Toner cartridge replacement 80
- Warning 80
- Warning 81
- Warning 82
- Caution 86
- Image drum replacement 86
- Warning 86
- When replacing the image drum cartridge and toner cartridge at the same time 86
- Warning 87
- Caution 88
- If the printer has been powered on the fuser may be hot this area is clearly labelled do not touch 93
- Squeeze the top cover handle 1 and open the top cover 93
- Warning 93
- When replacing the image drum cartridge only 93
- Warning 95
- Caution 96
- Transfer belt replacement 100
- Warning 100
- Caution 101
- Fuser cover sheet replacement 107
- Warning 107
- Fuser replacement 110
- Warning 110
- Waste toner box replacement 115
- Warning 117
- Cleaning the led heads 118
- Cleaning the paper feed rollers of the mp tray 120
- Cleaning the paper feed rollers of tray 1 127
- Cleaning the printer casing 130
- Optional accessories 132
- Ptional accessories 132
- Installing accessories 133
- General 134
- Open cover paper jam tttttt side cover 134
- Paper jams 134
- Paper jams printer 134
- Roubleshooting 134
- Troubleshooting 134
- Open cover paper jam side cover 136
- Open cover paper jam top cover 138
- Warning 138
- Warning 139
- Avoiding paper jams 144
- Possible cause suggested remedy 144
- The following table summarizes possible causes of paper jams and suggests ways of avoiding them 144
- Voiding paper jams 144
- Dealing with unsatisfactory printing 145
- Ealing with unsatisfactory printing 145
- Symptoms possible causes steps to take 145
- Symptoms possible causes steps to take 146
- Symptoms possible causes steps to take 147
- Item specification 148
- Pecifications 148
- Specifications 148
- Item specification 149
- Appendix a display panel messages 150
- Essages 150
- Message comment 150
- Ppendi 150
- The display panel messages are intended to be self explanatory representative messages are given as examples below 150
- Message comment 151
- Appendix b menu system 152
- Enu system 152
- Ppendi 152
- Configuration 153
- Item value description 153
- Onfiguration 153
- Print page count 153
- Supplies life 153
- Etwork 154
- Item value description 154
- Network 154
- Paper size in tray 154
- Item value description 155
- System 155
- Item item description 156
- Nformation 156
- Print information 156
- Print information example demonstration page 157
- Item value description 158
- Tray configuration 158
- Item value description 159
- Item value description 160
- Item value description 161
- Item value description 162
- System adjust 162
- Item value description 163
- Item value description 164
- Menus example 1 tray 1 transparencies 165
- Menus example 2 mp tray paper size 166
- Ki contact details 167
- Oki contact details 167
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