d-Color MF4003/MF3303
L TROUBLESHOOTING > 3. TROUBLE CODE
L-36
8.
Replace the corresponding toner cartridge.
9.
10.
3.9 C3###
3.9.1 C3201, C3202
Contents
Trouble type
• C3201: Fusing motor failure to turn
• C3202: Fusing motor turning at abnormal timing
Rank
B
Trouble detection condition
• C3201: The control circuit detects motor failure to turn while the motor is turning.
• C3202: The control circuit detects motor turning while the motor remains stationary.
Trouble isolation
-
Relevant electrical parts
• Fusing motor (M3)
• CPU board (CPUB)
• Base board (BASEB)
Procedure
1.
Check the connector between M3-BASEB CN17E for proper connection and correct as necessary.
2.
Check the loading status of the fusing unit drive, and correct the error as necessary.
3.
Check CPUB for proper installation and correct as necessary.
4.
M3 load check
• Check code: 45
• Multi code: 1, 2, 3
• Control signal: BASEB CN17E-6 to 10
• Location of electrical component: 1-C
5.
6.
7.
BASEB F19E conduction check
8.
3.9.2 C3425
Contents
Trouble type
C3425: Fusing warm-up trouble
Rank
A
Trouble detection condition
• Detected temperature of the heating roller temperature sensor (TEMS) does not go up a given range of
temperature even after a lapse of given period of time at warm up.
• The temperature detected by the heating roller temperature sensor (TEMS) does not shift from the pre-
standby state even after the lapse of a predetermined period of time after the completion of warm-up.
Trouble isolation
-
Relevant electrical parts
• Fusing unit
• Heating roller temperature sensor (TEMS)
• DC power supply (DCPS)
• CPU board (CPUB)
• Base board (BASEB)
Procedure
1.
Check the fusing unit for correct installation (whether it is secured in position).
2.
Check the open/close operation of the right door.
3.
Check the connector between the fusing unit-relay CN3-BASEB CN10E for proper connection and correct as necessary.
4.
Check the connector between the fusing unit-relay CN2-DCPS CN2 for proper connection and correct as necessary.
5.
Check CPUB for proper installation and correct as necessary.
6.
7.
8.
9.
DCPS F102 or FU181 conduction check.
10.
3.9.3 C3722, C3725, C3726
Contents
Trouble type
• C3722: Fusing abnormally high temperature detection (Edge of the heating roller)
• C3725: Fusing abnormally high temperature detection (Main of the heating roller)
• C3726: Fusing abnormally high temperature detection (Center of the heating roller)
Rank
A
Trouble detection condition
• C3722: Detected temperature of the heating roller thermistor/Edg (TH1) goes beyond a given temperature for
a given period of time consecutively.
• C3725: Detected temperature of the heating roller temperature sensor (TEMS) goes beyond a given
temperature for a given period of time consecutively.
• C3726: Detected temperature of the heating roller thermistor/Ctr (TH2) goes beyond a given temperature for
a given period of time consecutively.
Service Manual
Y119930-3
Содержание d-Color MF 4003
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