137
Symptom
Cause
Remedy
Toner smudges on back-
side of paper
0951o226
Dirty fusing roller
Replace the fusing roller.
Dirty image transfer roller
Replace the Second image trans-
fer roller.
Dirty paper transport path
Clean the paper transport path.
Low image density
0951o214
No toner in toner cartridge
Replace the toner cartridge.
Faulty PC drum (end of service
life)
Replace the drum cartridge.
Poor developing bias
Replace the master board (PWB-
A).
Replace the controller control
board.
Poor image transfer
Replace the Second image trans-
fer roller.
Replace the master board (PWB-
A).
Replace the transport image
transfer belt unit.
Replace the controller control
board.
Foggy background
0951o218
Poor developing bias
Replace the master board (PWB-
A).
Replace the controller control
board.
Faulty PC drum (end of service
life)
Replace the drum cartridge.
Summary of Contents for magicolor 2300 Series
Page 1: ...magicolor 2300 Series Service Manual 1750058 001A...
Page 6: ...6...
Page 7: ...7 SAFETY...
Page 8: ......
Page 23: ...23 GENERAL...
Page 24: ......
Page 32: ...32...
Page 33: ...33 MECHANICAL ELECTRICAL...
Page 34: ......
Page 75: ...75 DISASSEMBLY ASSEMBLY 19971...
Page 76: ......
Page 106: ...106...
Page 107: ...107 CONTROL PANEL SER VICE MODE DESCRIPTIONS...
Page 108: ......
Page 117: ...117 TROUBLESHOOT ING...
Page 118: ......
Page 128: ...128 3 Replace PWB A...
Page 139: ...139 INDEX...
Page 140: ......