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6-21
[ 5 ] Print-image related
If the received or sent image has any problem, first make a copy with the machine.
If the copied image is normal, the problem may be due to the remote terminal; if it is abnormal,
proceed to the following checks:
Trouble
Action to be taken
(1) Completely blank
At the scanner
Check the following components:
- CCD flat cable
- Main PCB
- CCD unit
At the printer side
Clean the high-voltage contacts for the developer roller on the
drum unit, main cover, and high-voltage power supply PCB.
(Contacts in the illustration given on page 6-28)
Clean the grounding contacts on the drum unit, main cover, and
high-voltage power supply PCB. (Contacts in the illustration
given on page 6-28)
Check that the grounding plate is sandwiched between the
contact plate and gear drive unit. (Refer to CHAPTER 4,
Subsection 4.1.21, page 4-52.)
Replace the toner cartridge.
Replace the drum unit.
Check the connection of the laser flat cable on the main PCB.
Replace the main PCB.
Replace the laser unit.
Replace the high-voltage power supply PCB.
(2) All black
At the scanner
Check the following components:
- CCD flat cable
- CCD unit
- Main PCB
At the printer side
Clean the high-voltage contacts for the grid and charger on the
drum unit, main cover, and high-voltage power supply PCB.
(Contacts and in the illustration given on page 6-28)
Clean the charger (corona wires) itself.
Check the connection of the laser flat cable on the main PCB.
Replace the drum unit.
Replace the high-voltage power supply PCB.
Replace the main PCB.
Summary of Contents for DCP-1000
Page 1: ...Multi Function Machine SERVICE MANUAL MODEL MFC6800 DCP1000 MFC9180 MFC9160 ...
Page 5: ...CHAPTER 1 GENERAL DESCRIPTION ...
Page 12: ...CHAPTER 2 INSTALLATION ...
Page 17: ...CHAPTER 3 THEORY OF OPERATION ...
Page 19: ...3 1 3 1 OVERVIEW Provided on models supporting facsimile function ...
Page 21: ...3 3 ...
Page 29: ...3 11 Location of Sensors and Actuators ...
Page 31: ...CHAPTER 4 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 38: ...4 5 n Disassembly Order Flow ...
Page 70: ...4 37 6 Turn the ASF upside down then remove the registration sensor actuator ...
Page 78: ...4 45 Setting up the main PCB after replacement ...
Page 104: ...CHAPTER 5 MAINTENANCE MODE ...
Page 111: ...5 6 Scanning Compensation Data List ...
Page 119: ...5 13 For machines w fax For machines w o fax Key Button Entry Order ...
Page 126: ...CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING ...
Page 156: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 1 EEPROM Customizing Codes ...
Page 159: ...MFC6800 DCP1000 MFC9180 MFC9160 Appendix 2 Firmware Switches WSW ...
Page 206: ...A Main PCB 1 5 ...
Page 207: ...A Main PCB 2 5 ...
Page 208: ...A Main PCB 3 5 ...
Page 209: ...A Main PCB 4 5 ...
Page 210: ...A Main PCB 5 5 ...
Page 211: ...B NCU PCB U S A Canada ...
Page 212: ...B NCU PCB U K Norway Netherlands Finland Denmark Sweden ...
Page 213: ...B NCU PCB Germany France Belgium Switzerland Ireland Austria Spain Italy South Africa ...
Page 214: ...B NCU PCB Asia Oceania 1 2 ...
Page 216: ...C Control Panel PCB ...
Page 217: ...D Power Supply PCB 100 120V Low voltage power supply ...
Page 218: ...D Power Supply PCB 200 240V Low voltage power supply Europe ...
Page 219: ...D Power Supply PCB 200 240V Low voltage power supply Asia Oceania ...
Page 220: ...D Power Supply PCB High voltage power supply ...
Page 221: ...E Relay PCB ...