Ricoh CH-C1 - RTB 122: FSM Correction: SC401

Technical Bulletin PAGE: 1/1
Model: CH-C1 Office/Pro
Date: 26-May-14
No.: RD135122
Field Service Manual Correction
5. Troubleshooting > Service Call 400-498 > SC400 (Engine: Around the Drum)
(Pg. 1032)
Replace the description of SC401 (Development Gamma Low Error) in the above section
with the following.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC401-01
D
Development Gamma Low Error (K)
SC401-02
D
Development Gamma Low Error (C)
SC401-03
D
Development Gamma Low Error (M)
SC401-04
D
Development Gamma Low Error (Y)
Development gamma > 3.0
Details:
This SC is issued when the development gamma
measured during process control was smaller than 3.0
 Toner density error
 The dustproof glass is dirty.
 Transfer power pack defective
 PCDU set error
 Check the toner supply system.
 Clean the dustproof glass.
 Replace the transfer power pack.
 Check if the PCDU is installed correctly by looking at
the locking levers. ( PCDU)
Subject: FSM Correction: SC401 table
Prepared by: R. Chino
From: PP Tech Service Dept., 1st PP Tech Service Sect.
Classification:
Troubleshooting
Mechanical
Paper path
Product Safety
Part information
Electrical
Transmit/receive
Other ( )
Action required
Service manual revision
Retrofit information
Tier 2