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93-03 (bizhub 4750i/4050i)

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Contents

JAM typeMisfeed at duplex transport section
JAM code93-03
JAM detection timing93-03:
The leading edge of the paper is not turned ON (unblocked) the ADU transport sensor (PS11) even after the lapse of a given period of time after the paper has turned OFF (blocked) the paper exit sensor (PS13).
– Paper jam of a sheet of paper left at the duplex transport section results, if the ADU transport sensor (PS11) is turned ON (unblocked) when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset.
– Paper jam of a sheet of paper left at the duplex transport 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 locationRight door
Relevant parts-Main motor (M1)
-Fusing motor (M3)
-ADU transport clutch (CL5)
-ADU forward rotation clutch (CL6)
-ADU reverse rotation clutch (CL7)
-ADU transport sensor (PS11)
-Paper exit sensor (PS13)
-Base board (BASEB)

Procedure

StepActionControl signalLocation of electrical component
1Initial check items
2PS11 I/O check, sensor checkBASEB CN23E-6 (ON)9-K
3PS13 I/O check, sensor checkBASEB CN16E-9 (ON)11-K
4CL5 load check
• Check code: 81
• Multi code: 1
BASEB CN23E-12 (ON)9-K
5CL6 load check
• Check code: 80
• Multi code: 1
BASEB CN18E-8 (ON)2-C
6CL7 load check
• Check code: 80
• Multi code: 2
BASEB CN18E-10 (ON)3-C
7M1 load check
• Check code: 40
• Multi code: 1, 2
BASEB CN17E-1 to 51-C
8M3 load check
• Check code: 45
• Multi code: 1, 2, 3
BASEB CN17E-6 to 101-C
9Replace BASEB.
4750i (Part# ACT9H02013)
4050i (Part# ACT9H02002)

(Link to the Field Service Manual)

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