
6-23
Trouble
Action to be taken
(5) Black and blurred vertical
stripes or band
At the scanner
Check the following components:
- CCD unit
At the printer side
Clean the paper path which may be contaminated with toner.
Slide the wire cleaner to clean the corona wire inside the drum
unit.
Make sure that the wire cleaner is returned to its home position.
Replace the toner cartridge.
Replace the drum unit.
Replace the heat-fixing unit.
(6) Black vertical streaks on gray
background
At the printer side
Clean the laser beam window (glass) on the laser unit.
Replace the laser unit.
(7) Black and blurred horizontal
stripes
At the printer side
Slide the wire cleaner to clean the corona wire inside the drum
unit.
If they appear at 94-mm or 17-mm intervals, replace the drum
unit.
If they appear at 54-mm intervals, replace the heat-fixing unit.
Replace the high-voltage power supply PCB.
(8) Horizontal lines
At the printer side
Check the connection between the right end of the paper feed
roller and the grounding wire. (Contact in the illustration
given on page 6-28.)
Содержание DCP-1000
Страница 1: ...Multi Function Machine SERVICE MANUAL MODEL MFC6800 DCP1000 MFC9180 MFC9160 ...
Страница 5: ...CHAPTER 1 GENERAL DESCRIPTION ...
Страница 12: ...CHAPTER 2 INSTALLATION ...
Страница 17: ...CHAPTER 3 THEORY OF OPERATION ...
Страница 19: ...3 1 3 1 OVERVIEW Provided on models supporting facsimile function ...
Страница 21: ...3 3 ...
Страница 24: ...3 6 3 2 2 Laser Printing Mechanism 3 2 2 1 Paper pulling in registration feeding and ejecting mechanism ...
Страница 29: ...3 11 Location of Sensors and Actuators ...
Страница 31: ...CHAPTER 4 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 38: ...4 5 n Disassembly Order Flow ...
Страница 62: ...4 29 8 Remove the three screws and lift up the guide plate 9 Remove the screw from the CCD HP sensor plate ...
Страница 70: ...4 37 6 Turn the ASF upside down then remove the registration sensor actuator ...
Страница 78: ...4 45 Setting up the main PCB after replacement ...
Страница 93: ...4 58 Harness routing C Relay ADF harness on the scanner mount Harness routing D Main PCB related harnesses ...
Страница 95: ...4 60 Harness routing G Laser diode harness polygon motor flat cable and toner sensor harness on the laser unit ...
Страница 104: ...CHAPTER 5 MAINTENANCE MODE ...
Страница 111: ...5 6 Scanning Compensation Data List ...
Страница 119: ...5 13 For machines w fax For machines w o fax Key Button Entry Order ...
Страница 126: ...CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 156: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 1 EEPROM Customizing Codes ...
Страница 159: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 2 Firmware Switches WSW ...
Страница 206: ...A Main PCB 1 5 ...
Страница 207: ...A Main PCB 2 5 ...
Страница 208: ...A Main PCB 3 5 ...
Страница 209: ...A Main PCB 4 5 ...
Страница 210: ...A Main PCB 5 5 ...
Страница 211: ...B NCU PCB U S A Canada ...
Страница 212: ...B NCU PCB U K Norway Netherlands Finland Denmark Sweden ...
Страница 213: ...B NCU PCB Germany France Belgium Switzerland Ireland Austria Spain Italy South Africa ...
Страница 214: ...B NCU PCB Asia Oceania 1 2 ...
Страница 216: ...C Control Panel PCB ...
Страница 217: ...D Power Supply PCB 100 120V Low voltage power supply ...
Страница 218: ...D Power Supply PCB 200 240V Low voltage power supply Europe ...
Страница 219: ...D Power Supply PCB 200 240V Low voltage power supply Asia Oceania ...
Страница 220: ...D Power Supply PCB High voltage power supply ...
Страница 221: ...E Relay PCB ...
Страница 222: ...April 02 SM FAX003 8C5613 Printed in Japan ...