6-20
Trouble
Action to be taken
(4) Light
At the scanner
Check the following components:
- CCD unit
- Main PCB
At the printer
Check the following components:
- Ink cartridges
- Print head unit
- Main PCB
- Power supply PCB
- Print head parameters (to be installed to the main PCB from
the connected PC. Refer to CHAPTER 2, Section 2.2.)
(5) Dark
At the scanner
Check the following components:
- CCD unit
- Main PCB
At the printer side
• For each of the four ink-jet units, perform the head purging
operation several times to remove dust or air bubbles from its
nozzles. If the problem persists, replace the print head unit.
• Check the paper feed-related rollers.
• Replace the main PCB and power supply PCB.
(6)
Black or blurred vertical
stripes
At the scanner
Check the following components:
- CCD unit
- Scanner glass
At the printer side
• Check whether paper is in abnormal contact with any other
components during ejecting.
• Check the encoder strip for stains or scratches. (If the encoder
strip is not hooked properly, correct it.)
Summary of Contents for MFC-5100C
Page 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL MFC5100C MFC590 ...
Page 4: ...CHAPTER 1 GENERAL DESCRIPTION ...
Page 11: ...CHAPTER 2 INSTALLATION ...
Page 19: ...CHAPTER 3 THEORY OF OPERATION ...
Page 39: ...CHAPTER 4 DISASSEMBLY REASSEMBLY LUBRICATION AND ADJUSTMENT ...
Page 114: ...4 73 7 Paper ejection roller gear and PF roller gear 8 Paper feed roller and PF spring ...
Page 116: ...4 75 11 Purge shaft ...
Page 119: ...4 78 Head Positioning Test Pattern ...
Page 120: ...CHAPTER 5 MAINTENANCE MODE ...
Page 127: ...5 6 Scanning Compensation Data List ...
Page 141: ...5 20 Vertical Alignment Check Pattern ...
Page 148: ...CHAPTER 6 ERROR INDICATION AND TROUBLESHOOTING ...
Page 173: ...MFC5100C MFC590 Appendix 1 EEPROM Customizing Codes ...
Page 176: ...MFC5100C MFC590 Appendix 2 Firmware Switches WSW ...
Page 220: ...A Main PCB 1 6 ...
Page 221: ...A Main PCB 2 6 ...
Page 222: ...A Main PCB 3 6 ...
Page 223: ...A Main PCB 4 6 ...
Page 224: ...A Main PCB 5 6 ...
Page 225: ...A Main PCB 6 6 ...
Page 226: ...R27 100 R28 100 R29 100 R30 100 B Relay PCB ...
Page 227: ...C NCU PCB ...
Page 228: ...D Control Panel PCB 1 2 ...
Page 229: ...D Control Panel PCB 2 2 ...
Page 230: ...E Power Supply PCB ...