Konica Minolta bizhub C250 Service Manual page 411

16. Malfunction code
16.5.51 C4761: Compression hardware timeout
16.5.52 C4765: Extraction hardware timeout
16.5.53 C4770: JBIG0 Error
16.5.54 C4771: JBIG1 Error
16.5.55 C4772: JBIG2 Error
16.5.56 C4773: JBIG3 Error
16.5.57 C4780: Compressor 0 command buffer stop failure
16.5.58 C4781: Compressor 1 command buffer stop failure
16.5.59 C4782: Compressor 2 command buffer stop failure
16.5.60 C4783: Compressor 3 command buffer stop failure
MFP Control Board (PWB-MFP)
Step
When the error is displayed after the mem-
ory check, remove and insert the DIMM0
1
and DIMM1 again to recheck (C4765).
2 Change PWB-MFP
16.5.61 C5102: Main Motor's failure to turn
Main Motor (M1)
Step
Check the M1 connector for proper connec-
1
tion and correct as necessary.
Check M1 for proper drive coupling and
2
correct as necessary.
Check the PWB-M connector for proper
3
connection and correct as necessary.
M1 operation check
4
5 Change PWB-M
6 Change PU1
368
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Field Service Ver. 1.0 Jul. 2005
DIMM0 (Work0)
DIMM1 (Work1)
WIRING DIAGRAM
Control Signal
—
—
Mechanical Control Board (PWB-M)
DC Power Supply (PU1)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNDM1-5 (REM)
PWB-M CNDM1-8 (LOCK)
—
—
Location (Electri-
cal Component)
—
—
Location (Electri-
cal Component)
—
—
L-2
—
—