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Confidential
1.4.6 Print continuous lattice pattern ............................................................................. 5-46
1.4.7 Check RAM .......................................................................................................... 5-46
1.4.8 Change ON/OFF setting for duplex printing ......................................................... 5-47
1.4.9 Change A4/Letter setting for paper size ............................................................... 5-47
1.4.10 Maintenance printing ............................................................................................ 5-48
1.4.11 Print maintenance data and frame pattern ........................................................... 5-49
1.4.12 Resetting to factory shipping state ....................................................................... 5-50
1.4.13 Change Ready LED light intensity in sleep mode ................................................ 5-50
1.4.14 Reset irregular power supply detection counter of
low-voltage power supply PCB ............................................................................. 5-51
1.4.15 Firmware installing mode ..................................................................................... 5-51
1.4.16 Ready state of maintenance mode for service personnel .................................... 5-51
2. OTHER SERVICE FUNCTIONS ................................................................................................ 5-52
2.1 Print Printer Settings ......................................................................................................... 5-52
2.2 Drum Cleaning .................................................................................................................. 5-54
2.3 Resetting Drum Counter ................................................................................................... 5-56
2.4 Change Active/Inactive Setting for Quiet Mode (LED models only) ................................. 5-56
2.5 Change Active/Inactive Setting for Auto Power Down Mode (LED models only) ............. 5-57
2.6 Change Active/Inactive Setting for Eco Mode (LED models only) .................................... 5-57
2.7 Change Active/Inactive Setting for Toner Save Mode (LED models only) ....................... 5-57
2.8 Change Continue/Stop Mode for Toner Cartridge (LED models only) ............................. 5-58
CHAPTER 6 WIRING DIAGRAM
1. WIRING DIAGRAM ..................................................................................................................... 6-1
CHAPTER 7 PERIODICAL MAINTENANCE
1. PERIODICAL REPLACEMENT PARTS ..................................................................................... 7-1
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER