Technical Bulletin PAGE: 1/2
Reissued:04-Jun-12
Model: Taurus-C1a/C1b Date: 21-May-12 No.: RD074070a
RTB Reissue
The items in bold italics were added.
Subject: Procedure for Replacing the Entrance Seal of the
Toner Supply Port of the Development Unit.
Prepared by: S. Sasaki
From: 1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Product Safety Other ( ) Tier 2
Please add to your field service manual the following procedure for replacing the toner
supply port entrance seal:
D0743352 SEAL:GUIDE:TONER SUPPLY:UPPER
Note
The seal was modified and is made thicker than the former seal, in order to reduce the
chances of toner leakage. If considerable toner leakage is observed at the entrance of the
toner supply port, please try replacing the seal by following the procedure described below.
Procedure
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] from the toner supply port and clean the surface [B] of the
entrance where the new seal should be attached.
[B]
[A]
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