Technical Bulletin  PAGE: 1/4 
Model: Taurus-C1a/C1b (D074/D075) Date: 21-May-12 No.: RD074069 
 
 
Subject: Procedure for Attaching the Anti-Toner Leak Spring 
Plate 
 
Prepared by: Shinnosuke Sasaki 
From: 1st PP Tech Service Sec., PP Tech Service Dept., 
 Troubleshooting 
 Mechanical 
 Paper path 
 Part information 
 Electrical 
 Transmit/receive 
 Action required 
 Service manual revision 
 Retrofit information 
Classification: 
 Product Safety    Other ( )   Tier 2 
 
Please add the following procedure for attaching the Anti-Toner Leak Spring Plate on the 
Development unit to your field service manual.  The plate is newly registered as a service 
part. 
 
D0743270: PLATE:CASE:FILTER 
 
Procedure 
 
CAUTION: The edge of the spring plate is sharp.  Make sure to hold the flat surface of the 
spring plate to avoid injuries. 
 
 
 
1.  Remove the development unit from the PCDU according to the procedure in the field 
service manual in the section: 
4. Replacement and Adjustments -> Photoconductor Development Unit (PCDU) -> 
Development Unit Replacement