Technical Bulletin  PAGE: 1/3 
Model: Taurus-C1a/C1b (D074/D075)  Date: 06-Aug-12  No.: RD074084 
 
 
Subject: Part Changes of Fusing Unit Heaters Prepared by: S. Sasaki 
From: 1st PP Technical Service Section 
Classification: 
 Troubleshooting 
 Mechanical 
 Paper path 
 Part information 
 Electrical 
 Transmit/receive 
 Action required 
 Service manual revision 
 Retrofit information 
 
 Product Safety   Other ( )   Tier 2 
 
Change: Fusing lamp and the accompanying brackets 
Reason: Change of the supplier 
NOTE: Replace the above parts as a set. 
 
Details 
The new fusing lamp has a slightly larger diameter.  The brackets have been modified 
accordingly. 
 
The following pages describe the differences between the old and new fusing lamps and 
brackets. 
Old Part 
Number 
New Part 
Number 
Description Q’ty Int Note 
AX440322 AX440326 
HEATER:HEAT 
ROLLER:A:230V:650W/870W 
1  
D0744173 D0744343 HOLDER:HEATER:HEAT ROLLER:FRONT  1   
D0744174 D0744344 HOLDER:HEATER:HEAT ROLLER:REAR  1 
X/O 
As a set