T
echnical 
B
ulletin  PAGE: 1/4 
Model: 
Taurus-C1a/C1b 
Date: 
11-May-12
 No.: 
RD074063 
 
 
Subject: 
Procedure for Replacing the Development Roller 
Seals
 
Prepared by: 
S. Sasaki
 
From: 
1st PP Tech Service Sec., PP Tech Service Dept.,
 
Classification: 
 Troubleshooting 
 Mechanical 
 Paper path 
 Product Safety 
 Part information 
 Electrical 
 Transmit/receive 
 Other (     ) 
 Action required 
  Service manual revision 
 Retrofit information 
 Tier 2 
 
Please add to your field service manual the following procedures for replacing the 
development roller seals. 
 
!  D0743343 SEAL:DEVELOPMENT ROLLER:FRONT 
!  D0743344 SEAL:DEVELOPMENT ROLLER:REAR 
 
Procedure 
Replacing the FRONT Seal (D0743343: SEAL:DEVELOPMENT ROLLER:FRONT) 
 
1.  Pull out the PCDU according to the procedure in the service manual in the section: 
4. Replacement and Adjustments > Common Procedures > Removing PCDUs 
 
 
   
 
2.  Remove the old seal [A] and clean the surface of the area where the seal was attached. 
 
Note 
The seal consists of two parts; the black part and the transparent part. (See the diagram 
above.)    Make sure to remove the whole seal. 
 
[A]