C2151: Secondary Transfer Roller Pressure Welding Alienation; C2152: Transfer Belt Pressure Welding Alienation - Konica Minolta Magicolor 8650 Service Manual

14. Malfunction code
14.5.5

C2151: Secondary transfer roller pressure welding alienation

2nd image transfer retraction motor (M11)
2nd image transfer welding alienation sensor
(PS36)
Step
Check the M11 connector for proper
1
connection and correct as necessary.
Check the connector of M11 for proper
2
drive coupling and correct as necessary.
3 PS36 I/O check
4 Change the right door assy
5 Change PRCB
14.5.6

C2152: Transfer belt pressure welding alienation

Fusing motor (M5)
Transfer belt retraction clutch (CL7)
Transfer belt retraction sensor (PS31)
Step
Check the M5 connector for proper
1
connection and correct as necessary.
2 PS31 I/O check
3 CL7 operation check
M5 operation check
4
5 Change CL7
6 Change M5
7 Change PRCB
316
Confidential – for internal use only, do not distribute
Relevant parts
Action
Relevant parts
Action
Field Service Ver. 2.0 Nov. 2007
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
—
PRCB CN3PRCB-9 (ON)
—
—
Printer control board (PRCB)
WIRING DIAGRAM
Control signal
—
PRCB CN36PRCB-15 (ON)
PRCB CN39PRCB-10 (ON)
PRCB CN34PRCB-2 (REM)
PRCB CN34PRCB-5 (LOCK)
—
—
—
Location (Electri-
cal component)
—
—
D-5
—
—
Location (Electri-
cal component)
—
D-26 to 27
D-23
D-21
—
—
—