OKI C931
Troubleshooting. 1 Jam Codes
Error code numbers and locations of paper jams
When paper jams in the printer, or when paper remains in the printer even after removal of jammed paper, a message notifying a paper jam appears on the LCD screen of the operation panel, and the inspection lamp blinks.
Press the HELP button for a remedy while the message “See help for details” is displayed, and follow the guidance to troubleshoot. The following table lists the help messages. Check the displayed message and remove the jammed paper according to the procedure described in the reference.
| error code | Message on the display screen | sensor name(s) |
|---|---|---|
| 631 | check the paper fed to the printer open Tray 1 side cover Please see Help for details. |
Tray1 In1 |
| 632 | check the paper fed to the printer open Tray 2 side cover Please see Help for details. |
Tray2 In1 |
| 633 | check the paper fed to the printer open Tray 3 side cover Please see Help for details. |
Tray3 In1 |
| 634 | check the paper fed to the printer open Tray 4 side cover Please see Help for details. |
Tray4 In1 |
| 635 | check the paper fed to the printer open Tray 5 side cover Please see Help for details. |
Tray5 In1 |
| 637 | check the paper fed to the printer open Right side cover Please see Help for details. |
In2 |
| 638 | There is a paper inside the output unit Remove Paper Please see Help for details. |
In3 |
| 639 | There is a paper inside the output unit Remove Paper Please see Help for details. |
EXIT 1, EXIT 2 |
| 640 | Paper remains in the vicinity of duplex unit Remove Paper Please see Help for details. |
DUPLEX IN |
| 641 | Paper remains in the vicinity of duplex unit Remove Paper Please see Help for details. |
DUPLEX Rear |
| 642 | Paper remains in the vicinity of duplex unit Remove Paper Please see Help for details. |
DUPLEX Front |
| 650 | check the lower side of duplex unit Remove Paper Please see Help for details. |
DUPLEX Bottom |
| 651 | check Face down stacker Remove Paper Please see Help for details. |
- |
| 370 | A paper jam has occurred in the vicinity of the duplex unit Remove Paper Please see Help for details. |
DUPLEX Bottom, DUPLEX Rear |
| 371 | A paper jam has occurred in the vicinity of the duplex unit Remove Paper Please see Help for details. |
DUPLEX Rear, DUPLEX Front |
| 373 | A paper jam has occurred in the vicinity of the duplex unit Remove Paper Please see Help for details. |
DUPLEX Bottom |
| 375 | Check the lower side of Duplex Unit Remove Paper Please see Help for details. |
DUPLEX Front |
| 380 | Paper jam has occurred Open Right Side Cover Please see Help for details. |
IN2, IN3 |
| 381 | There is a paper jam in the output unit Remove Paper Please see Help for details. |
IN3, EXIT1 |
| 382 | There is a paper jam in the vicinity of the fuser unit. Remove Paper Please see Help for details. |
EXIT1, EXIT2, Sag, Fuser motor lock signal |
| 383 | There is a paper jam in the vicinity of the fuser unit. Remove Paper Please see Help for details. |
DUPLEX IN |
| 384 | Paper jam has occurred Open Left Side Cover Please see Help for details. |
EXIT3 |
| 390 | Paper jam has occurred Open Right Side Cover Please see Help for details. |
IN2 |
| 391 | Paper jam has occurred Open TRAY 1 Side Cover Please see Help for details |
IN1 |
| 392 | Paper jam has occurred Open TRAY 2 Side Cover Please see Help for details. |
Tray2 IN1 |
| 393 | Paper jam has occurred Open TRAY] 3 Side Cover Please see Help for details. |
Tray3 IN1 |
| 394 | Paper jam has occurred Open TRAY 4 Side Cover Please see Help for details. |
Tray4 IN1 |
| 395 | Paper jam has occurred Open TRAY 5 Side Cover Please see Help for details. |
Tray5 IN1 |