9xx error messages
Error code
Description
Action
900.xx
RIP firmware errors
Go to
“System software error service check” on
page 117
.
912.xx
Unrecoverable Engine firmware error
POR the machine. If the error re
‑
occurs, then update
the firmware. If the error continues occurring, then
replace the controller board. Go to
“Controller
board removal” on page 349
.
940.xx
RIP to engine communication failure—the zero
crossing signal used for fuser control in the low voltage
(LV) power supply has failed, or the wrong low voltage
power supply has been installed.
Check the LVPS. Go to
“LVPS service check” on
page 108
.
948.xx
Failed engine card—pel clock check failed.
Replace the controller board. Go to
“Controller
board removal” on page 349
.
949.xx
Failed engine card—delay line calibration failure.
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 122
.
952.xx
A recoverable NVRAM Cyclic Redundancy Check (CRC)
error occurred—n is the offset at which the error
occurred.
POR the printer.
4063
Diagnostic information
114
Summary of Contents for MS71x
Page 24: ...4063 24 ...
Page 26: ...4063 26 ...
Page 222: ...4063 222 ...
Page 307: ...10 Remove the MPF pick roller 11 Remove the second flange 4063 Repair information 307 ...
Page 332: ...3 Open the fuser access door 4 Remove the two screws A 4063 Repair information 332 ...
Page 358: ...6 Remove the five screws A 7 Remove the PCBA housing 4063 Repair information 358 ...
Page 437: ...4 Remove the other four screws C from the front side of the frame 4063 Repair information 437 ...
Page 441: ...5 Release the latches A holding the sensor to the media feeder 4063 Repair information 441 ...
Page 451: ...2 Remove the two screws B then remove the right cover 4063 Repair information 451 ...
Page 453: ...2 Remove the two screws B then remove the left cover 4063 Repair information 453 ...
Page 459: ...4063 Repair information 459 ...
Page 464: ...2 Remove the two screws B then remove the right outer cover 4063 Repair information 464 ...
Page 466: ...2 Remove the two screws B then remove the left cover 4063 Repair information 466 ...
Page 468: ...3 Remove the three screws A then remove the controller PCBA 4063 Repair information 468 ...
Page 475: ...2 Remove the two screws C then remove the right cover 4063 Repair information 475 ...
Page 481: ...2 Remove the two screws C then remove the left cover 4063 Repair information 481 ...
Page 488: ...6 Ease the media stack flap off the stapler assembly 4063 Repair information 488 ...
Page 524: ...4063 524 ...
Page 539: ...4063 539 ...
Page 542: ...4063 Parts catalog 542 ...
Page 543: ...Assembly 1 Covers 4063 Parts catalog 543 ...
Page 545: ...Assembly 2 Paper path 4063 Parts catalog 545 ...
Page 547: ...Assembly 3 Fusers 4063 Parts catalog 547 ...
Page 549: ...Assembly 4 Electronics 19 20 20 21 22 4063 Parts catalog 549 ...
Page 552: ...4063 Parts catalog 552 ...
Page 553: ...Assembly 5 Drive motors 11 12 4063 Parts catalog 553 ...
Page 555: ...Assembly 6 Duplex 4063 Parts catalog 555 ...
Page 557: ...Assembly 7 Frame 16 16 17 4063 Parts catalog 557 ...
Page 559: ...Assembly 8 Control panel 9 10 17 6 7 7 8 5 11 12 13 14 14 15 15 16 4063 Parts catalog 559 ...
Page 562: ...4063 Parts catalog 562 ...
Page 565: ...Assembly 10 Input options 1 2 3 4063 Parts catalog 565 ...
Page 567: ...Assembly 11 250 sheet tray option 4063 Parts catalog 567 ...
Page 569: ...Assembly 12 550 sheet tray option 4063 Parts catalog 569 ...
Page 571: ...Assembly 13 High capacity input tray option 1 1 2 4063 Parts catalog 571 ...
Page 575: ...Assembly 15 Output options 2 1 3 4 4063 Parts catalog 575 ...
Page 577: ...Assembly 16 Output expander option 1 2 3 4 5 6 8 7 9 4063 Parts catalog 577 ...
Page 579: ...Assembly 17 High capacity output expander option 1 2 3 5 6 4 7 8 4063 Parts catalog 579 ...
Page 581: ...Assembly 18 Staple finisher option 1 5 1 2 3 4 6 4063 Parts catalog 581 ...
Page 583: ...Assembly 19 Staple finisher option 2 1 4 5 6 7 8 3 10 11 2 12 13 14 9 4063 Parts catalog 583 ...
Page 585: ...Assembly 20 Mailbox option 1 1 2 3 4 5 6 7 10 8 9 4063 Parts catalog 585 ...
Page 587: ...Assembly 21 Mailbox option 2 1 3 4 2 4063 Parts catalog 587 ...
Page 592: ...4063 Parts catalog 592 ...
Page 594: ...4063 594 ...
Page 598: ...4063 598 ...
Page 602: ...Models MS81x and MS71x paper path rollers and sensors 4063 Appendix C Theory of operation 602 ...
Page 638: ...4063 Index 638 ...