Ricoh Pro C901 Technical Bulletin page 390

Reissued:05-Mar-14
Model:
Aries-P1.5/C1.5
RTB Reissue
The items in bold italics were corrected or added.
Subject:
Preventing SC32x and 39x
From:
1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
This bulletin has been issued to supplement the information announced in RTB RM077072.
SYMPTOM
 SC324~327; development motor lock (KCMY)
 SC396~399; drum lock (KCMY)
 SC320~323 (Development bias: high voltage error: KCMY) caused by excessive
scratches on the drum surface (See "Reference" on the following page.)
CAUSE
The development unit is constantly overloaded with developer due to a clogged aperture
disabling disposal of excess developer.
ACTION
Remove the clogged developer from the aperture by following the procedure described
below.
1. Pull out the PCDU from the mainframe. (Photo 1, 2)
2. Hold a screwdriver backwards and tap the area with the grip of the screwdriver circled
in yellow in Photo 2.
IMPORTANT: Work carefully to avoid damage to the drum with the screwdriver.
Photo 1
echnical
T
Troubleshooting
Mechanical
Paper path
Product Safety
ulletin
B
Date:
01-Mar-13
Prepared by:
Part information
Electrical
Transmit/receive
Other ( )
Photo 2
PAGE: 1/5
No.:
RM077086c
T. Miyamoto
Action required
Service manual revision
Retrofit information
Tier 2