Ricoh MP C4503 Technical Bulletin page 326

echnical ulletin
T B
PAGE: 11/12
Reissued: 6-Jan-15
Model: Date: No.:
MET-C1b 10-Mar-14 RD147108b
5. Remove the rear cover. [A] ( ×4)
6. Remove the controller board of the paper feed unit PB3150 [A] ( ×4,
×7)
7. Connect the harness to the machine side connector which is on the back side of the controller
board.