d-Color MF4003/MF3303
L TROUBLESHOOTING > 1. JAM CODE
L-5
- Paper jam of a sheet of paper left at the manual bypass paper feed section results, if a sheet of
paper is determined to exist at a position detected when the main power switch is turned ON, a door
is opened and closed, or a misfeed or malfunction is reset.
Misfeed processing
location
Right door
Relevant parts • Main motor (M1)
• Bypass tray paper feed clutch (CL2)
• Registration clutch (CL4)
• Registration sensor (PS9)
• Base board (BASEB)
Procedure
Step Action Control signal Location of electrical component
1 Initial check items - -
2 PS9 I/O check, sensor check BASEB CN22EA-13 (ON) 13-C
3 CL2 load check
• Check code: 20
• Multi code: 4
BASEB CN23E-10 (ON) 9-K
4 CL4 load check
• Check code: 21
• Multi code: 3
BASEB CN22EA-3 (ON) 12-C
5 M1 load check
• Check code: 40
• Multi code: 1, 2
BASEB CN17E-1 to 5 1-C
6 Replace BASEB. - -
1.5.211-01, 11-02, 11-40
Contents
JAM type Misfeed at tray 1 paper feed section
JAM code 11-01, 11-02, 11-40
JAM detection timing 11-01 The leading edge of the paper is not turned ON (blocked) the registration sensor (PS9) even after
the lapse of a given period of time after the tray 1 starts to feed paper.
11-02 For paper fed from the tray 1, loop forming has not been complete before a sheet enters the
registration roller because the rise timing of load to perform registration is earlier than the rise timing
of load to form a loop.
11-40 For paper fed from the tray 1, the image write start signal permit continues to be disabled for a
predetermined period of time after the timing of the image write start signal output.
- Paper jam of a sheet of paper left at the tray 1 paper feed section results, if a sheet of paper is
determined to exist at a position detected when the main power switch is turned ON, a door is
opened and closed, or a misfeed or malfunction is reset.
Misfeed processing
location
• Right door
• Tray 1
Relevant parts • Main motor (M1)
• Tray 1 paper feed clutch (CL3)
• Registration clutch (CL4)
• Registration sensor (PS9)
• Base board (BASEB)
Procedure
Step Action Control signal Location of electrical component
1 Initial check items - -
2 PS9 I/O check, sensor check BASEB CN22EA-13 (ON) 13-C
3 CL3 load check
• Check code: 20
• Multi code: 1
BASEB CN22EA-1 (ON) 12-C
4 CL4 load check
• Check code: 21
• Multi code: 3
BASEB CN22EA-3 (ON) 12-C
5 M1 load check
• Check code: 40
• Multi code: 1, 2
BASEB CN17E-1 to 5 1-C
6 Replace BASEB. - -
1.5.312-01, 12-40
Contents
JAM type Misfeed at tray 2 paper feed section (When PF-P20 or PF-P21 is installed)
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