Ricoh CH-C1 User Manual

Technical Bulletin PAGE: 1/3
Model: CH-C1a
Date: 17-Oct-14
No.: RD135149
Change/Reason:
In addition to the original harness used for the anti-condensation tray heater, the following
harness was newly registered as a service part to further prevent paper curling.
Old p/n
New p/n
Description
Q’ty
Int
Note
-
D1389502
HARNESS - ANTI-CONDENSATION
HEATER
1
-
Add
Details:
With the original harness, the tray heater turns ON only when the machine power is
turned OFF. Therefore, paper may curl if either of the following conditions are met:
 Humidity is constantly high
 The paper type being used easily absorbs moisture
To resolve the above, the heater system was modified to turn ON at all times
regardless of the machine power status as described in the following table.
See the following pages for how to connect the new harness.
Subject: New optional harness for tray heater to prevent
paper curl
Prepared by: A.Takada
From: 1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
Troubleshooting
Mechanical
Paper path
Product Safety
Part information
Electrical
Transmit/receive
Other (Firmware)
Action required
Service manual revision
Retrofit information
Tier 2
Machine power ON
Machine power OFF
When the Original
harness is connected
Tray heater OFF
Tray heater ON
When the New
harness is connected
Tray heater ON
Tray heater ON

Ricoh CH-C1 Specifications

General

Brand	Ricoh
Model	CH-C1
Category	Printer Accessories
Language	English