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Cleaning the main unit and the parts ............ 312
Cleaning the LED head ................................... 312
Cleaning the surface of the main unit .............. 313
Cleaning the paper feed roller (MP tray).......... 315
Cleaning the light-shielding film ....................... 319
Cleaning the resist roller .................................. 320
Updating software ......................................... 321
For Windows ................................................... 321
For macOS ...................................................... 321
Deleting software ........................................... 322
Uninstalling the Windows printer driver ........... 322
Uninstalling the macOS printer driver .............. 322
Firmware update ........................................... 324
For Windows ................................................... 324
For macOS ...................................................... 324
10. Troubleshooting .............................. 325
....................................................................... 326
Error message list ........................................... 327
When paper is jammed ................................. 337
For the error code 370 or 371 .......................... 337
For the error code 372 ..................................... 340
For the error code 380 ..................................... 342
For the error code 381 ..................................... 343
For the error code 382 or 385 .......................... 344
For the error code 390 ..................................... 348
For the error code 391, 392, 393 or 394 .......... 348
For the error code 638 ..................................... 350
Trouble with printing ...................................... 355
I cannot print .................................................... 355
Troubleshooting for wired LAN connection ...... 356
Troubleshooting for USB connection ............... 360
Troubleshooting for printing results ............... 362
List of troubles with printing results ................. 362
Printing is faint in the vertical direction ............ 365
Printing is light ................................................. 366
White dots or lines appear ............................... 366
Condensation occurs on printed paper ............ 367
Streaks appear in the vertical direction ........... 367
feeding direction periodically ........................... 368
White area is lightly stained ............................. 369
Edges of text are blurred ................................. 369
whole area is thinly stained ............................. 370
Toner comes off when rubbed ......................... 370
Uneven Gloss .................................................. 370
Point stains appear .......................................... 371
Stains are printed ............................................ 371
The entire paper is printed in black ................. 371
Nothing is printed ............................................ 372
White streaks occur ......................................... 372
The peripheral area is dirty .............................. 372
........................................................................ 373
paper is printed ................................................ 373
Software troubleshooting .............................. 374
Troubleshooting for the machine ..................... 375
Troubleshooting for the paper ......................... 378
When a power failure occurs ........................... 380
Appendix ............................................... 381
Specifications ................................................ 382
Regulatory wireless LAN statements ............... 384
Dimensions ................................................... 386
Using the FAQ guide of this machine ........... 388
Contact us ..................................................... 391
Menu tree ...................................................... 392
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Table of Contents
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Table of Contents
Troubleshooting
