C2655: Cyan Lph Correction Data Download Failure - Konica Minolta bizhub C450 Service Manual

16. Malfunction code
16.6.40

C2655: Cyan LPH correction data download failure

16.6.41 C2656: Yellow LPH correction data download failure
16.6.42 C2657: Magenta LPH correction data download failure
16.6.43 C2658: Black LPH correction data download failure
LPH Assy/C
LPH Assy/M
LPH Assy/Y
LPH Assy/K
Step
Correct the harness connection between LPH
1
and PWB-LED if faulty.
Correct the harness connection between PWB-
2
LED and PWB-MFPC if faulty.
3 Change LPH Assy.
4 Change PWB-LED.
5 Change PWB-MFPC.
6 Change PWB-MC
16.6.44 C3101: Fusing Pressure Roller pressure/retraction failure
Fusing Pressure/Retraction Sensor (PC33)
Fusing Pressure Roller Pressure/Retraction Motor (M19)
Step
Check the M9 connector for proper connection
1
and correct as necessary.
2 PC33 I/O check
3 PC33 operation check
4 M19 operation check
5 Change Fusing Unit
6 Change PWB-MC
356
Relevant Electrical Parts
LED Drive Board (PWB-LED)
MFP Control Board (PWB-MFPC)
Control Board (PWB-MC)
Action
Relevant Electrical Parts
Action
Field Service Ver. 1.0 Mar. 2005
WIRING DIAGRAM
Control Signal
—
—
—
—
—
—
Control Board (PWB-MC)
Fusing Unit
WIRING DIAGRAM
Control Signal
—
PWB-MC PJ26MC-12 (ON)
—
PWB-MC PJ14MC-5 to 6
—
—
Location
(Electrical
Component)
—
—
—
—
—
—
Location
(Electrical
Component)
—
—
—
C to D-6
—
—