
Field Service Ver. 2.0 Jul. 2009
19. TROUBLE CODE
813
TROUBLESHOOTING
19.5.131 C3B02: IH malfunction (CPU)
19.5.132 C3B03: IH malfunction (monitor)
19.5.133 C3B05: IH temperature sensor defect
19.5.134 C3B06: IH surge error
19.5.135 C3B07: IH input power error
19.5.136 C3B08: IH input voltage error
Relevant parts
Fusing unit
IH coil unit
IH power supply (IHPU)
Relay drive board (REDB)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the fusing unit for correct installation
(whether it is secured in position).
—
—
2
Check the open/close operation of the
upper right door.
—
—
3
Check the fusing unit, degaussing coil unit,
IHPU, PRCB and REDB for proper connec-
tion and correct or change as necessary.
—
—
4
Change fusing unit
—
—
5
Change IH coil unit
—
—
6
Change IHPU
—
—
7
Change PRCB
—
—
8
Change REDB
—
—
Relevant parts
IH coil unit
IH power supply (IHPU)
Relay drive board (REDB)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the connection of the fusing unit.
—
—
2
Check the fusing unit, degaussing coil unit,
IHPU, PRCB and REDB for proper connec-
tion and correct or change as necessary.
—
—
3
Change degaussing coil unit
—
—
4
Change IHPU
—
—
5
Change PRCB
—
—
6
Change REDB
—
—
Y110571-1 Service Manual
Summary of Contents for d-color MF651
Page 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Page 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...