Ricoh D147 - Main Control Board

Main control board
SM 37 D686/D687
BOOKLET FINISHER
SR3150 / FINISHER
SR3140
(D686/D687)
1.23 MAIN CONTROL BOARD
 An EEPROM is installed in the control board to record the drive frequency and no. of
sheets.
 When the control board is replaced, the EEPROM is replaced at the same time.
 The new EEPROM is installed on a service parts control board.
1. Rear cover (
page 3)
2. Main control board [A] (
×4, ×23)