Error code Description
Action
950.xx
NVRAM mismatch failure—mismatch between
controller board EEPROM and control panel mirror.
".xx" codes:
•
00-29— mismatch between system and mirror
•
30-60—mismatch between secure and system
Warning—Potential Damage: When replacing any
of the following components:
•
Control panel assembly
•
Controller board assembly
Replace only one component at a time. Replace the
required component and perform a POR before
replacing a second component listed above. If this
procedure is not followed, the printer will be
rendered inoperable. Never replace two or more of
the components listed above without a POR after
installing each one or the printer will be rendered
inoperable.
Never install and remove components listed above
as a method of troubleshooting components. Once
a component has been installed in a machine, it can
not be used in another machine. It must be returned
to the manufacturer.
Go to
“NVRAM mismatch failure service check” on
page 146
.
952.xx
A recoverable NVRAM Cyclic Redundancy Check (CRC)
error occurred—n is the offset at which the error
occurred.
POR the printer.
953.xx
NVRAM chip failure with mirror part
Replace the controller board. Go to
“Controller
board removal” on page 372
.
954.xx
NVRAM chip failure with system part
955.xx
The Code ROM or NAND flash failed the Cyclic
Redundancy Check (CRC) or the NAND experienced an
uncorrectable multi-bit failure.
956.xx
The flatbed scanner and ADF cannot properly
communicate with the controller board in the base
printer.
See
“Communication failure with flatbed scanner
and ADF” on page 141
.
956.01
Processor Overtemp
Replace the controller board. Go to
“Controller
board removal” on page 372
.
957.xx
RIP card failure—ASIC failure
958.xx
Controller Board NAND Failure—printer has
performed more than 100 shift and reflash operations
as a result of ECC bit corrections.
959.01
Controller verification failure of smart chip boot code Upgrade firmware. If that fails, replace the controller
board. Go to
“Controller board removal” on
page 372
.
959.02
Failure to authenticate Signature Verification Code
959.03
Signature Verification Code failed to authenticate a
code partition
959.04
Jump to unverified address
959.05
Unknown Boot Failure
959.20
Smart chip hardware failure
Replace the controller board. Go to
“Controller
board removal” on page 372
.
7463
Diagnostic information
139
Содержание MX71 series
Страница 2: ...October 18 2012 www lexmark com ...
Страница 3: ......
Страница 22: ...7463 Table of contents 20 ...
Страница 30: ...7463 28 ...
Страница 36: ...7463 34 ...
Страница 305: ...3 Remove the support strap 4 Slide the rear door away from the machine and remove it 7463 Repair information 303 ...
Страница 343: ...3 Loosen the two fuser thumbscrews A 4 Gently pull the fuser and remove it from the machine 7463 Repair information 341 ...
Страница 350: ...16 Detach the two springs from the machine 17 Remove the cartridge door 7463 Repair information 348 ...
Страница 370: ...4 Remove the two screws A securing the right frame extension to the machine 7463 Repair information 368 ...
Страница 383: ...6 Remove the five screws A 7 Remove the PCBA housing 7463 Repair information 381 ...
Страница 406: ...10 Remove the seven screws B securing the control panel to the machine 7463 Repair information 404 ...
Страница 407: ...11 Disconnect the three cables C from the controller board 12 Remove the control panel 7463 Repair information 405 ...
Страница 412: ...14 Remove the five screws C 15 Disconnect the five cables D 7463 Repair information 410 ...
Страница 426: ...4 Gently press the hinge inward to release it from the machine 5 Remove the tilting display 7463 Repair information 424 ...
Страница 439: ...11 Remove the scanner CCD 7463 Repair information 437 ...
Страница 450: ...7 Remove the ADF left hinge B ADF left lower cover removal 1 Open the ADF top door 7463 Repair information 448 ...
Страница 457: ...2 Remove the four screws A securing the ADF rear cover 3 Remove the ADF rear cover 7463 Repair information 455 ...
Страница 461: ...3 Remove the ADF separation guide B ADF separator roller removal 1 Open the ADF top cover 7463 Repair information 459 ...
Страница 485: ...Flatbed glass cushion removal 1 Open the ADF 2 Remove the flatbed glass cushion 7463 Repair information 483 ...
Страница 493: ...12 Remove the tension belt E 13 Remove the two c clips F 14 Remove the two gears G 7463 Repair information 491 ...
Страница 495: ...8 Remove the three screws C at the left side 9 Remove the three screws D at the right side 7463 Repair information 493 ...
Страница 525: ...4 Remove the two screws C from the rear side of the cover 5 Remove the left cover 7463 Repair information 523 ...
Страница 530: ...4 Remove the ground screw A 5 Remove the 11 screws B then remove the top cover 7463 Repair information 528 ...
Страница 532: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 530 ...
Страница 536: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 534 ...
Страница 565: ...4 Remove the ground screw A 5 Remove the 11 screws B then remove the top cover 7463 Repair information 563 ...
Страница 567: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 565 ...
Страница 571: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 569 ...
Страница 579: ...2 Remove the two screws C then remove the left cover 7463 Repair information 577 ...
Страница 585: ...6 Ease the media stack flap off the stapler assembly 7463 Repair information 583 ...
Страница 598: ...2 Remove the two screws C then remove the right cover 7463 Repair information 596 ...
Страница 605: ...2 Position the rear door at the angle shown and pull the door off the mailbox 7463 Repair information 603 ...
Страница 617: ...4 Remove the two screws B using a 1 Phillips screwdriver then remove the divert motor 7463 Repair information 615 ...
Страница 627: ...8 Disconnect the two cables D and remove the output bin LED assembly 7463 Repair information 625 ...
Страница 628: ...7463 626 ...
Страница 644: ...7463 642 ...
Страница 654: ...7463 Parts catalog 652 ...
Страница 655: ...Assembly 1 Covers MX71x 7463 Parts catalog 653 ...
Страница 657: ...Assembly 2 Covers MX81x 7463 Parts catalog 655 ...
Страница 660: ...7463 Parts catalog 658 ...
Страница 661: ...Assembly 3 Paper path 7463 Parts catalog 659 ...
Страница 663: ...Assembly 4 Fusers 7463 Parts catalog 661 ...
Страница 665: ...Assembly 5 Electronics 7463 Parts catalog 663 ...
Страница 668: ...7463 Parts catalog 666 ...
Страница 669: ...Assembly 6 Drive motors 7463 Parts catalog 667 ...
Страница 671: ...Assembly 7 Frame 7463 Parts catalog 669 ...
Страница 673: ...Assembly 8 Control panel MX71x 7463 Parts catalog 671 ...
Страница 676: ...7463 Parts catalog 674 ...
Страница 677: ...Assembly 9 Control panel 10 inch display MX81x 7463 Parts catalog 675 ...
Страница 679: ...Assembly 10 Paper tray 7463 Parts catalog 677 ...
Страница 681: ...Assembly 11 ADF assembly 7463 Parts catalog 679 ...
Страница 683: ...Assembly 12 ADF covers 7463 Parts catalog 681 ...
Страница 686: ...7463 Parts catalog 684 ...
Страница 687: ...Assembly 13 ADF mechanical 7463 Parts catalog 685 ...
Страница 689: ...Assembly 14 ADF electronics 7463 Parts catalog 687 ...
Страница 692: ...7463 Parts catalog 690 ...
Страница 693: ...Assembly 15 Flatbed scanner MX710 and MX711 7463 Parts catalog 691 ...
Страница 696: ...7463 Parts catalog 694 ...
Страница 697: ...Assembly 16 Flatbed scanner MX810 MX811 and MX812 7463 Parts catalog 695 ...
Страница 699: ...Assembly 17 Input options MX710 and MX711 7463 Parts catalog 697 ...
Страница 701: ...Assembly 18 Input options MX810 MX811 and MX812 7463 Parts catalog 699 ...
Страница 703: ...Assembly 19 250 sheet tray option MX710 and MX711 7463 Parts catalog 701 ...
Страница 705: ...Assembly 20 550 sheet tray option MX710 and MX711 7463 Parts catalog 703 ...
Страница 707: ...Assembly 21 550 sheet tray option MX810 MX811 MX812 7463 Parts catalog 705 ...
Страница 709: ...Assembly 22 High capacity input tray option 1 MX710 and MX711 7463 Parts catalog 707 ...
Страница 711: ...Assembly 23 High capacity input tray option 2 MX710 and MX711 7463 Parts catalog 709 ...
Страница 713: ...Assembly 24 High capacity input tray option 3 MX810 MX811 MX812 7463 Parts catalog 711 ...
Страница 715: ...Assembly 25 High capacity input tray option 4 MX810 MX811 MX812 7463 Parts catalog 713 ...
Страница 717: ...Assembly 26 Output options MX810 MX811 and MX812 7463 Parts catalog 715 ...
Страница 719: ...Assembly 27 Staple finisher option 1 7463 Parts catalog 717 ...
Страница 721: ...Assembly 28 Staple finisher option 2 7463 Parts catalog 719 ...
Страница 723: ...Assembly 29 Mailbox option 1 7463 Parts catalog 721 ...
Страница 725: ...Assembly 30 Mailbox option 2 7463 Parts catalog 723 ...
Страница 727: ...Assembly 31 Offset stacker option 1 7463 Parts catalog 725 ...
Страница 729: ...Assembly 32 Offset stacker option 2 7463 Parts catalog 727 ...
Страница 734: ...7463 732 ...
Страница 740: ...7463 738 ...
Страница 744: ...Models MX81x and MX71x paper path rollers and sensors 7463 Appendix C Theory of operation 742 ...
Страница 754: ...Sensors 7463 Appendix C Theory of operation 752 ...
Страница 763: ...ADF components ADF electronic components 7463 Appendix C Theory of operation 761 ...
Страница 772: ...7463 770 ...