Ricoh MP C6502SP Field Service Manual page 42

Cause.............................................................................................................................................. 1503
Solution........................................................................................................................................... 1503
Procedure........................................................................................................................................1503
Problems Related to Peripheral Devices....................................................................................................1507
Peripherals 001: Buffer Pass Unit Type 5020...................................................................................... 1507
Troubleshooting for Fan Noise Is Large....................................................................................... 1507
Peripherals 002: Finisher SR4090/SR4100....................................................................................... 1507
Troubleshooting for Proof Tray Detected to Be Full Too Soon................................................... 1507
Troubleshooting for Envelopes Are Not Fed................................................................................1508
Troubleshooting for toner rubbing off along the fold line........................................................... 1509
Troubleshooting Creases and Jam in Stapler Unit (SR4100).....................................................1509
Corner Stapling Failure/Stack Failure/Large Misalignment..................................................... 1512
1st Sheet of Stapled Stack Misaligned........................................................................................ 1516
Staple Misalignment Troubleshooting.......................................................................................... 1518
Shift Tray Stalls Causing Paper Jam..............................................................................................1522
Poor Stacking on Shift Tray........................................................................................................... 1525
How to improve center-folding accuracy (SR4100).................................................................. 1529
SP Settings for adjusting Shift Tray Jogger/Corner Stapling/Booklet Stapling....................... 1533
Blown Fuse Conditions................................................................................................................................1537
IDB (D1365492)....................................................................................................................................1537
AC Control Board (D0165460)........................................................................................................... 1537
PSU...........................................................................................................................................................1538
PSU1 (AZ240226)........................................................................................................................1538
PSU2 (AX240230)........................................................................................................................ 1539
DUB (D1365121).................................................................................................................................. 1541
Potential Sensor Board (D1365450 [100V], D1365455 [200V])..................................................1542
TSB (D1365425)................................................................................................................................... 1542
IPU (D1365724).................................................................................................................................... 1543
IOB (D1385110)................................................................................................................................... 1544
Controller (D1365700/D1365705).................................................................................................. 1547
Operation Panel......................................................................................................................................1547
Pro OP-R (D1387395)..................................................................................................................1547
Office OP-L (D1491478)............................................................................................................. 1548
40