T
echnical
B
ulletin
PAGE: 1/6
Reissued:3-Jul-13
Model:
Taurus-C1a/C1b (D074/D075)
Date:
25-Jan-13
No.:
RD074099a
RTB Reissue
The items in
bold italics
were corrected or added.
This bulletin explains the 3 modifications made to the development unit, which includes the
latest modification implemented on the production line since April 2013.
Contents
1. Modification history of the development unit
2. Explanation of each modification
2-1. Anti-fluctuation (latest modification)
2-2. Thin-coated development roller
2-3. New doctor blade
3. How to identify the modification versions
1. Modification History of the Development Unit
The table below summarizes the 3 modifications and the corresponding part numbers of
the development unit. The latest development unit (D0742304) contains all past
modifications.
Modification
D0742302
D0742303
D0742304
Thin-coated dev roller
New doctor blade
Anti-fluctuation (Latest)
Each of these modifications is outlined on the following pages.
Subject:
Modifications on the Development Unit
Prepared
by:
S. Sasaki
From:
1st Tech Service Sect., 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