Replacing The Development Unit - Ricoh FAX4700L Service Manual

December 21st, 1995

5.5.5. Replacing the Development Unit

[E]
[D]
[C]
A: Development Unit
B: Development Roller (Rubber)
C: Pin
D: Development Roller Gear
E, F: Bushings
After every 60,000 prints, the following parts have to be replaced.
•
Development unit [A]
•
Development roller [B] (A development roller comes with the parts [C]
through [F]. Check for the assembly part number of [B] through [F] in
the parts catalog.)
•
Transfer roller (refer to section 5.5.2)
•
Zener diode (refer to section 5.5.3)
The transfer roller unit, main motor and gears, development roller [B], and the
parts labelled [C] to [F] in the above illustration are not included with a new
development unit [A].
To install a new development unit, do the following:
1. Install a new development roller as shown in the above illustration.
2. Install a new transfer roller, a new zener diode, a main motor, and gears
as described in sections 5.5.2 and 5.5.3.
Continued on the next page
[B]
REPLACEMENT AND ADJUSTMENT
5-17
DEVELOPMENT
[A]
H515R646.wmf
[F]