C5372: Mfp Control Board Cpu Temperature Failure - Olivetti d-Color MF651 Service Manual

Field Service Ver. 2.0 Jul. 2009

19.5.148 C5372: MFP control board CPU temperature failure

CPU cooling fan motor
Step
1 Reboot the machine.
2 Check the fan connector for proper
connection and correct as necessary.
3 Check the fan for possible overload and
correct as necessary.
4 Fan motor operation check
5 Change MFPB
19.5.149 C6102: Drive system home sensor malfunction
19.5.150 C6103: Slider over running
Scanner home sensor (PS201)
Scanner motor (M201)
Step
1 Correct or change the scanner drive
(cable, pulley, gear, belt) if it is faulty.
2 Correct the scanner motor set screw if
loose.
3 Adjust [Image Position Leading Edge] and
[Feed Direction Adjustment].
4 Check the PS201, M201, REYB/SCAN and
MFPB connector for proper connection and
correct as necessary.
5 PS201 I/O check, sensor check
6 M201 operation check
7 Change REYB/SCAN.
8 Change MFPB.
Y110571-1
Relevant parts
Action
Relevant parts
Action
Service Manual
MFP board (MFPB)
WIRING DIAGRAM
Control signal
—
—
—
MFPB PJ20
—
Scanner relay board (REYB/SCAN)
MFP board (MFPB)
WIRING DIAGRAM
Control signal
—
—
—
—
REYB/SCAN PJ3-5 (ON)
REYB/SCAN PJ5-4 to 7
—
—
19. TROUBLE CODE
Location (Electri-
cal component)
—
—
—
O-26
—
Location (Electri-
cal component)
—
—
—
—
P-17
P-19
—
—
819