Actions
Yes
No
Step 4
Make sure the imaging unit or toner cartridge is not damaged.
a
Remove the print or toner cartridge.
Warning—Potential Damage: Be careful not to touch the
photoconductor drum or imaging unit. Doing so may affect the print
quality of future print jobs.
b
Reinstall the print or toner cartridge.
Note: For some printer models, you may need to check all printer or
toner cartridges.
Does the problem remain?
Go to step 5.
The problem is solved.
Step 5
Replace the imaging unit.or toner cartridge.
Does the problem remain?
Go to step 6.
The problem is solved.
Step 6
a
Check the media condition.
b
Load new, dry, recommended media.
c
Reprint the defective image.
Does the problem remain?
Go to step 7.
The problem is solved.
Step 7
a
Check the media transfer route.
b
Check the media route for contamination or obstacles.
Are there obstacles in the route?
Go to step 8.
Remove obstacles or
contamination.
Step 8
Check the imaging unit for proper installation.
Is the above component properly installed?
Go to step 9.
Inspect, clean, and
reinstall or replace the
imaging unit.
Step 9
Check the transfer roller assembly for contamination and wear.
Is the above component free of excess wear and contamination?
Go to step 10.
Replace the transfer
roller. See
“Transfer
roller removal” on
page 336
.
Step 10
a
Check the heat belt and hot roller in the fuser.
b
Remove the fuser unit assembly.
CAUTION—HOT SURFACE: The inside of the printer might be hot.
To reduce the risk of injury from a hot component, allow the surface to
cool before touching.
Is there contamination or cracks on the heat roll and/or pressure roll?
Replace the fuser. See
“Fuser removal” on
page 340
.
Go to step 11.
7463
Diagnostic information
46
Summary of Contents for MX71 series
Page 2: ...October 18 2012 www lexmark com ...
Page 3: ......
Page 22: ...7463 Table of contents 20 ...
Page 30: ...7463 28 ...
Page 36: ...7463 34 ...
Page 383: ...6 Remove the five screws A 7 Remove the PCBA housing 7463 Repair information 381 ...
Page 412: ...14 Remove the five screws C 15 Disconnect the five cables D 7463 Repair information 410 ...
Page 439: ...11 Remove the scanner CCD 7463 Repair information 437 ...
Page 532: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 530 ...
Page 536: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 534 ...
Page 567: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 565 ...
Page 571: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 569 ...
Page 579: ...2 Remove the two screws C then remove the left cover 7463 Repair information 577 ...
Page 585: ...6 Ease the media stack flap off the stapler assembly 7463 Repair information 583 ...
Page 598: ...2 Remove the two screws C then remove the right cover 7463 Repair information 596 ...
Page 628: ...7463 626 ...
Page 644: ...7463 642 ...
Page 654: ...7463 Parts catalog 652 ...
Page 655: ...Assembly 1 Covers MX71x 7463 Parts catalog 653 ...
Page 657: ...Assembly 2 Covers MX81x 7463 Parts catalog 655 ...
Page 660: ...7463 Parts catalog 658 ...
Page 661: ...Assembly 3 Paper path 7463 Parts catalog 659 ...
Page 663: ...Assembly 4 Fusers 7463 Parts catalog 661 ...
Page 665: ...Assembly 5 Electronics 7463 Parts catalog 663 ...
Page 668: ...7463 Parts catalog 666 ...
Page 669: ...Assembly 6 Drive motors 7463 Parts catalog 667 ...
Page 671: ...Assembly 7 Frame 7463 Parts catalog 669 ...
Page 673: ...Assembly 8 Control panel MX71x 7463 Parts catalog 671 ...
Page 676: ...7463 Parts catalog 674 ...
Page 677: ...Assembly 9 Control panel 10 inch display MX81x 7463 Parts catalog 675 ...
Page 679: ...Assembly 10 Paper tray 7463 Parts catalog 677 ...
Page 681: ...Assembly 11 ADF assembly 7463 Parts catalog 679 ...
Page 683: ...Assembly 12 ADF covers 7463 Parts catalog 681 ...
Page 686: ...7463 Parts catalog 684 ...
Page 687: ...Assembly 13 ADF mechanical 7463 Parts catalog 685 ...
Page 689: ...Assembly 14 ADF electronics 7463 Parts catalog 687 ...
Page 692: ...7463 Parts catalog 690 ...
Page 693: ...Assembly 15 Flatbed scanner MX710 and MX711 7463 Parts catalog 691 ...
Page 696: ...7463 Parts catalog 694 ...
Page 697: ...Assembly 16 Flatbed scanner MX810 MX811 and MX812 7463 Parts catalog 695 ...
Page 699: ...Assembly 17 Input options MX710 and MX711 7463 Parts catalog 697 ...
Page 701: ...Assembly 18 Input options MX810 MX811 and MX812 7463 Parts catalog 699 ...
Page 703: ...Assembly 19 250 sheet tray option MX710 and MX711 7463 Parts catalog 701 ...
Page 705: ...Assembly 20 550 sheet tray option MX710 and MX711 7463 Parts catalog 703 ...
Page 707: ...Assembly 21 550 sheet tray option MX810 MX811 MX812 7463 Parts catalog 705 ...
Page 709: ...Assembly 22 High capacity input tray option 1 MX710 and MX711 7463 Parts catalog 707 ...
Page 711: ...Assembly 23 High capacity input tray option 2 MX710 and MX711 7463 Parts catalog 709 ...
Page 713: ...Assembly 24 High capacity input tray option 3 MX810 MX811 MX812 7463 Parts catalog 711 ...
Page 715: ...Assembly 25 High capacity input tray option 4 MX810 MX811 MX812 7463 Parts catalog 713 ...
Page 717: ...Assembly 26 Output options MX810 MX811 and MX812 7463 Parts catalog 715 ...
Page 719: ...Assembly 27 Staple finisher option 1 7463 Parts catalog 717 ...
Page 721: ...Assembly 28 Staple finisher option 2 7463 Parts catalog 719 ...
Page 723: ...Assembly 29 Mailbox option 1 7463 Parts catalog 721 ...
Page 725: ...Assembly 30 Mailbox option 2 7463 Parts catalog 723 ...
Page 727: ...Assembly 31 Offset stacker option 1 7463 Parts catalog 725 ...
Page 729: ...Assembly 32 Offset stacker option 2 7463 Parts catalog 727 ...
Page 734: ...7463 732 ...
Page 740: ...7463 738 ...
Page 744: ...Models MX81x and MX71x paper path rollers and sensors 7463 Appendix C Theory of operation 742 ...
Page 754: ...Sensors 7463 Appendix C Theory of operation 752 ...
Page 763: ...ADF components ADF electronic components 7463 Appendix C Theory of operation 761 ...
Page 772: ...7463 770 ...