L TROUBLESHOOTING > 1. JAM CODE
L-11
d-Color MF4003/MF3303
Procedure
Step Action Control signal Location of electrical component
1 Initial check items - -
2 Make the adjustment of original stop position. - -
3 PS17 I/O check, sensor check DFCB CN2-8 (ON) 23-P
4 PS18 I/O check, sensor check DFCB CN6-2 (ON) 21-P
5 Replace DFCB. - -
1.8.566-08
Contents
JAM type Double feed detection jam (When UK-P19 is installed)
JAM code 66-08
JAM detection timing 66-08 The double feed of document is detected within a given period of time after the leading edge of the
paper has turned ON (unblocked) the document registration sensor (PS17).
Misfeed processing
location
Left cover
Relevant parts • Multi feed detection board/TX (MFDB/TX)
• Multi feed detection board/RX (MFDB/RX)
• DF control board (DFCB)
Procedure
Step Action Control signal Location of electrical component
1 Initial check items - -
2 Replace MFDB/TX. - -
3 Replace MFDB/RX. - -
4 Replace DFCB. - -
1.99#-##
1.9.192-01, 92-02, 92-03, 92-04
Contents
JAM type Misfeed at duplex pre-registration section
JAM code 92-01, 92-02, 92-03, 92-04
JAM detection timing 92-01 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 a duplex paper feed sequence has been started.
92-02 After the start of the second-side feed of paper in the duplex mode, loop forming has not been
complete before the second side of 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.
92-03 For the second-side feed of paper in the duplex mode, 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.
92-04 The leading edge of the paper is not turned OFF (blocked) the ADU transport sensor (PS11) even
after the lapse of a given period of time after a duplex paper feed sequence has been started.
- Paper jam of a sheet of paper left at the duplex pre-registration 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)
• Registration clutch (CL4)
• ADU transport clutch (CL5)
• Registration sensor (PS9)
• ADU transport sensor (PS11)
• 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 PS11 I/O check, sensor check BASEB CN23E-6 (ON) 9-K
4 CL4 load check
• Check code: 21
• Multi code: 3
BASEB CN22EA-3 (ON) 12-C
5 CL5 load check
• Check code: 81
BASEB CN23E-12 (ON) 9-K
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