T
echnical 
B
ulletin  PAGE: 1/1 
Model: 
GR-C1
 Date: 
27-Sep-12
 No.: 
RD117034
 
 
 
Subject: 
Service Manual Correction (Fax option)
 Prepared by: 
K. Moriizumi
 
From: 
2nd Tech Service Sect., MFP/P Tech Service Dept.
 
Classification: 
 Troubleshooting 
 Mechanical 
 Paper path 
 Part information 
 Electrical 
 Transmit/receive 
 Action required 
 Service manual revision 
 Retrofit information 
 
 Product Safety    Other (  )   Tier 2 
 
Service Manual Correction 
 
Fax Option 
Add the following to the Installation Procedure. 
 
For installation in Brazil, move the jumper switch (CN613) on the fax board so that the 
edge is anchored at “1” (so that the middle pin and the “1” pin are covered). 
Note: In its default position, the switch covers the middle and “3” pin.