Ricoh D391, Service Manual

Page: 238 / 490

Master Control Board
1. Remove the rear cover. (
*
p.119)
2. Remove the master control board [1] (  x all,  x1, Standoffs x5).
3. Remove the EEPROM [2] from the old board and install it on the new board.
When installing a new EEPROM in Master Control Board
New EEPROM has no setting data in itself. The factory setting data (41 settings) for each machine must be
input when installing a new EEPROM in the master control board.
• Refer to the factory setting data sheet which has been kept in the right front door for details about
necessary settings to be input in the EEPROM.
• Refer to "Troubleshooting > Service Mode > Critical Adjustments" of this manual for details about how
to input the factory setting data in the EEPROM on the master controller board.
1. CV-REG-L
Cover Horizontal Registration Position Adjustment (Large size control; 298mm or more)
SW1
1 2 3 4
Up * * *
1. Set the SW1 bank as shown above.
3. Replacement and Adjustment
236
3