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Model:
Model U-P1
Subject:
Jam At Registration Sensor Section
From:
1st Tech. Support Sec. Service Support Dept.
Troubleshooting
Classification:
Mechanical
Paper path
Other (
SYMPTOM
Continuous paper jams at the registration section (counted in SP7504-63). Although the
paper is caught, there are no marks visible.
CAUSE
Paper dust in the machine reflects and diffuses light, which causes a registration sensor
misdetection and the jam condition.
SOLUTION
Production line
A black seal (G0702136: Grid Shading Plate) has been added to the right cover from
October 2002 production. For the cut-in serial numbers, please refer to MB #MG071022.
Machines in the field
Clean the area shown in the illustration, and remove any sheets of paper still left in the
registration area.
T
B
echnical
Part information
Electrical
Transmit/receive
)
ulletin
Date:
19-Feb-04
Prepared by:
H.K.
Action required
Service manual revision
Retrofit information
PAGE: 1/1
No.:
RG071013
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