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23. IC protector
Field Service Ver. 2.0 Jul. 2009
906
TROUBLESHOOTING
B. MFP board
ICP17
IDCS/F IDC registration sensor/F
IDC registration sensor/F
malfunction
P-5
IDCS/R IDC registration sensor/R
IDC registration sensor/R
malfunction
P-28
TEMS1 Heating roller temperature
sensor/1
Fusing heater failure/abnormally
low fusing temperature/
fusing sensor wire disconnection
/stain on fusing sensor
C-3425/
C-3825/
C-3925/C-392A
TEMS2 Heating roller temperature
sensor/2
Fusing sensor wire disconnection C-3921
TEMS3 Heating roller temperature
sensor/3
Abnormally low fusing tempera-
ture/fusing sensor wire discon-
nection
C-3822/C-3922
ICP18
M38
Cleaner motor
Cleaner motor’s failure to turn
C-2257
ICP No. Symbol
Target part name
When ICP trips
Symptom in each load
Trouble code
and others
ICP No. Symbol
Target part name
When ICP trips
Symptom in each load
Trouble code
and others
F201
—
—
Control panel unlit (As polyswitch
is used, the problem disappears
by turning OFF the main power
switch and leaving MFP alone.
—
F250
—
—
MFP does not boot up.
(As polyswitch is used, the prob-
lem disappears by turning OFF
the main power switch and leav-
ing MFP alone.)
—
F300
—
—
USB device does not work.
(As polyswitch is used, the prob-
lem disappears by turning OFF
the main power switch and leav-
ing MFP alone.)
—
F301
—
—
Unable to download
(As polyswitch is used, the prob-
lem disappears by turning OFF
the main power switch and leav-
ing MFP alone.)
—
ICP
200
—
—
Management device does not
communicate.
—
Q206
—
—
Unable to download (Download
screen does not appear.)
—
Service Manual Y110571-1
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...