Technical Bulletin  PAGE: 1/1 
 
Subject: FSM correction - SBU Test Mode 
Prepared by: Yasutaka Yamada 
From: 2nd Tech Service Sect., MFP/P Tech Service Dept. 
 Electrical 
 Transmit/receive 
 Service manual revision 
 Retrofit information 
Service Manual Revision 
 
Please delete the ‘Scanner Test Mode’ section from your FSM, because the GR-C1 is not 
equipped with the function to print out the SBU test pattern. 
 
  6. Troubleshooting > Scanner Test Mode > SBU Test Mode