2-104
Service Manual
950.xx
NVRAM mismatch
failure
Mismatch between system
card EEPROM and operator
panel mirror.
".xx" codes:
00-29: mismatch between
system and mirror
30-60: mismatch between
secure and system
Warning:
When replacing any
of the following components:
• Scanner interface card
assembly.
• System card assembly
Only replace 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.
952.xx
NVRAM failure
A recoverable MVRAM Cyclic
Redundancy Check (CRC)
error occurred.
Power the machine off/on to
reset the error condition.
953.xx
NVRAM failure
The NVRAM chip has failed on
the scanner interface card
assembly.
Replace the scanner interface
card assembly.
954.xx
NVRAM failure
NVRAM chip failure with
system card assembly.
Replace the system card
assembly.
955.xx
NAND FLASH Failure
The Code ROM or NAND flash
failed the Cyclic Redundancy
Check (CRC) check or the
NAND experienced an
uncorrectible multi-bit failure.
Replace the system card
assembly.
956.xx
System card
processor failure
The processor has failed on
the system card assembly.
Replace the system card
assembly.
Error
code or
message
Error contents
Description/Action
Possible repair actions
page 4-50
.
assembly removal” on
Go to
“System card
page 4-50
.
assembly removal” on
Go to
“System card
page 4-50
.
assembly removal” on
Go to
“System card
page 4-148
.
card assembly removal” on
Go to
“Scanner interface
page 2-150
.
950.29) service check” on
failure (950.00 through
See
“NVRAM mismatch
Summary of Contents for Multifunction Laser Printer 5535dn
Page 1: ... SULO ...
Page 2: ... ...
Page 19: ...Notices and safety information xix ...
Page 20: ...xx Service Manual ...
Page 212: ...2 180 Service Manual ...
Page 258: ...3 46 Service Manual Media tray assembly Wear strips Side guides End guides ...
Page 348: ...4 28 Service Manual 7 Disconnect the connection C from the MPF pick solenoid assembly C ...
Page 433: ...Repair information 4 113 8 Disconnect the cable F from the card reader F ...
Page 436: ...4 116 Service Manual 5 Remove the pins D on both sides securing the links C A B D ...
Page 438: ...4 118 Service Manual 9 Lift the operator panel door assembly out of the machine ...
Page 475: ...Repair information 4 155 4 Remove the LVPS cooling fan ...
Page 476: ...4 156 Service Manual Option removals High capacity input tray ...
Page 479: ...Repair information 4 159 3 Remove the HCIT tray cover front A ...
Page 481: ...Repair information 4 161 2 Remove the HCIT cover rear ...
Page 483: ...Repair information 4 163 4 Remove the HCIT cover right A ...
Page 509: ...Repair information 4 189 2 Remove the tray roller catch assembly from the drawer ...
Page 510: ...4 190 Service Manual 550 sheet option tray assembly ...
Page 516: ...4 196 Service Manual 5 Remove the 550 sheet frame assembly ...
Page 531: ...Repair information 4 211 ...
Page 565: ...Repair information 4 245 ...
Page 572: ...4 252 Service Manual ...
Page 574: ...5 2 Service Manual ...
Page 580: ...7 2 Service Manual Assembly 1 Covers X651 X652 5535dn X654 and X656 ...
Page 584: ...7 6 Service Manual Assembly 3 Covers 2 X658 ...
Page 586: ...7 8 Service Manual Assembly 4 Media path and ducts ...
Page 588: ...7 10 Service Manual Assembly 5 Pick arm and media tray assemblies ...
Page 596: ...7 18 Service Manual Assembly 9 Fuser and LVPS card assemblies ...
Page 598: ...7 20 Service Manual Assembly 10 Flatbed scanner ...
Page 600: ...7 22 Service Manual Assembly 11 ADF unit assembly 1 ...
Page 602: ...7 24 Service Manual Assembly 12 ADF covers ...
Page 604: ...7 26 Service Manual Assembly 13 ADF feed and drive 3 11 7 13 5 9 2 10 6 4 12 8 1 ...
Page 606: ...7 28 Service Manual Assembly 14 ADF electronics ...
Page 608: ...7 30 Service Manual Assembly 15 550 Sheet option tray assembly X658 ...
Page 612: ...7 34 Service Manual X654 and X656 Assembly 17 550 Sheet option tray assembly X651 X652 5535dn ...
Page 616: ...7 38 Service Manual Assembly 19 MFP stapler assembly 1 ...
Page 620: ...7 42 Service Manual Assembly 21 MFP stapler assembly 3 4 5 1 2 3 6 6 7 8 9 10 11 ...
Page 622: ...7 44 Service Manual Assembly 22 MFP stapler assembly 4 1 2 ...
Page 624: ...7 46 Service Manual Assembly 23 MFP offset stacker assembly 1 1 ...
Page 628: ...7 50 Service Manual Assembly 25 MFP Offset stacker 3 4 5 1 2 3 6 6 7 8 9 10 11 ...
Page 630: ...7 52 Service Manual Assembly 26 MFP 4 bin mailbox assembly 1 1 ...
Page 632: ...7 54 Service Manual Assembly 27 MFP 4 bin mailbox assembly 2 3 2 4 5 11 8 9 10 7 1 6 ...
Page 636: ...7 58 Service Manual Assembly 29 Envelope feeder 1 ...
Page 642: ...7 64 Service Manual ...
Page 646: ...I 4 Service Manual ...