Oki COREFIDO B822dn User Manual page 5

3. Printing with Mopria Print Service ................ 298
Troubleshooting for Mopria Print Service ........ 299
Printing with IPP Everywhere ........................ 301
1. Setting IPP Everywhere ............................... 301
2. Registering this machine with Chromebook 302
3. Printing with IPP Everywhere ...................... 302
Troubleshooting for IPP Everywhere ............... 302
Printing with Print Plugin ............................... 304
Printing by connecting to an access point ....... 304
Troubleshooting for Print Plugin ...................... 305
Showing troubleshooting tips on a mobile device
....................................................................... 307
9. Maintenance ................................... 308
Precautions for replacing consumables and
maintenance parts ......................................... 309
Service life and replacement cycle of
consumables ................................................. 310
Toner cartridge ................................................ 310
Image drum ..................................................... 311
Replacing toner cartridges ............................ 312
Replacing the image drum ............................ 315
Replacing the image drum and the toner
cartridge ........................................................ 320
Free maintenance parts ................................ 325
Service life and replacement cycle of
maintenance parts ......................................... 326
Maintenance kit ............................................... 326
Paper feed roller .............................................. 327
Replacing the maintenance kit ...................... 328
Replacing the paper feed roller (Tray1) ........ 334
Replacing the paper feed roller (Tray2/3/4) .. 338
Replacing the paper feed roller (MP Tray) .... 342
Cleaning the main unit and the parts ............ 348
Cleaning the LED head ................................... 348
Cleaning the surface of the main unit .............. 350
Cleaning the paper feed roller (Tray1/2/3/4) .... 350
Cleaning the paper feed roller (MP Tray) ........ 351
Cleaning the light-shielding film ....................... 356
Cleaning the resist roller .................................. 358
Installing the transport assistance guide ....... 361
Updating software ......................................... 362
For Windows ................................................... 362
For macOS ...................................................... 362
Deleting software ........................................... 363
Uninstalling the Windows printer driver ........... 363
Uninstalling the macOS printer driver .............. 363
Firmware update ........................................... 365
For Windows ................................................... 365
For macOS ...................................................... 365
10. Troubleshooting .............................. 366
When an error message appears on the display
...................................................................... 367
Error Message List .......................................... 368
When a paper jam occurs ............................. 376
For the error code 370 ..................................... 376
For the error code 371 ..................................... 378
For the error code 372 ..................................... 378
For the error code 380 ..................................... 380
For the error code 381 ..................................... 381
For the error code 382 ..................................... 384
For the error code 387 or 391 .......................... 389
For the error code 390 ..................................... 390
For the error code 392, 393 or 394 .................. 391
For the error code 631 ..................................... 393
For the error code 632, 633 or 634 .................. 394
For the error code 637 ..................................... 396
For the error code 638 ..................................... 396
For the error code 639 ..................................... 399
For the error code 641 or 642 .......................... 404
For the error code 652 ..................................... 406
Trouble with printing ...................................... 412
I cannot print .................................................... 412
Troubleshooting for Wired LAN connection ..... 413
Troubleshooting for wireless LAN connection . 414
Troubleshooting for USB connection ............... 418
Troubleshooting for printing results ............... 419
List of troubles with printing results.................. 419
White streaks appear in the vertical direction .. 422
Printing is faint in the vertical direction ............ 422
Printing is light ................................................. 423
White dots or lines appear ............................... 423
Condensation occurs on printed paper ............ 424
Streaks appear in the vertical direction ............ 424
Dots and horizontal streaks appear in the paper
feeding direction periodically ........................... 425
White area is lightly stained ............................. 425
Edges of text are blurred ................................. 426
When envelopes or coated paper is printed, the
whole area is thinly stained ............................. 426
Toner comes off when rubbed ......................... 426
Uneven Gloss .................................................. 427
Point stains appear .......................................... 427
Stains are printed ............................................ 427
The entire paper is printed in black ................. 428
Nothing is printed ............................................ 428
White streaks occur ......................................... 428
The peripheral area is dirty .............................. 429
An afterimage printed on the front edge of the
paper is printed ................................................ 429
The density differs at two ends of the paper .... 430
Software troubleshooting .............................. 431
Troubleshooting for this machine and paper 432
Troubleshooting for the machine ..................... 432
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