Home » Xerox Manuals » Laser Printers » Xerox 5400N » Manual Viewer

Xerox 5400N Quick Reference Guide - Page 134

RAP 37, Error Code U6, IOT NVM Fail, Power Off / On, Table 58

UPC - 095205116779

Add to My Manuals
Save this manual to your list of manuals

Page 134 highlights

RAP 37 Error Code U6: IOT NVM Fail Power Off / On There is a problem with the Non-Volatile RAM on the Print Engine Controller Board. Table 58 Error Code U6: IOT NVM Failure Troubleshooting Procedure Step Actions and Questions Yes No 1 POWER CYCLING Go to Switch the printer power OFF, wait 20 - 30 seconds, Step 3. then switch printer power ON. Does the IOT NVM Fail error code appear? Go to Step 2. 2 VERIFYING STEP 1 ABOVE To ensure the problem is solved, switch the printer power OFF and ON several times. Does the IOT NVM Fail error code reappear? Go to Step 3. Problem solved. 3 ENTER DIAGNOSTICS 1. Enter Diagnostics mode. 2. From the Main Menu, select NVM Config / enter password [0734] / Was the password accepted and does "Resolution" now appear on the LCD? Go to Step 4. Replace the Print Engine Controller Board [RRP 8.5, page 310]. 4 NON-VOLATILE MEMORY CONFIGURATION CODES Go to Step 5. Check the NVM Data one by one referring to the NVRAM Configuration Table of Non-Volatile Memory Configuration Codes, page 233. Is the data set properly? Replace the Print Engine Controller Board [RRP 8.5, page 310]. 5 POWER OFF/ON Replace the Problem Switch printer power OFF, wait 10-20 seconds, then switch power ON. Does the IOT NVM Fail error message still appear? Print Engine Controller Board [RRP 8.5, page 310]. solved. 6 SUSPECT COMPONENTS The following printer components and areas are associated with this specific problem. One or more of these components or areas may have failed partially or completely. If you cannot isolate this problem using the steps in this Repair Analysis Procedure, replace each component or troubleshoot each area listed below, one at a time, until you isolate and solve the problem. I Print Engine Controller Board [RRP 8.5, page 310] I Wiring and connectors linking the components Phaser 5400 Laser Printer Service Guide 105

Section	Page
Cover	1
Users Safety Summary	4
Service Safety Summary	7
Table of Contents	12
List of Figures	20
List of Tables	26
General Information	30
Parts of the Printer	33
Printer Components	33
Printer Options	34
Control Panel	35
Display Screen	36
Rear Panel	37
Print Engine Assemblies	38
Paper Path Information	44
Printer Specifications	46
RAM and Printer Capabilities	46
Basic Specifications	47
Electrical Specifications	47
Mechanical Specifications	48
Environmental Specifications	49
Life Expectancies	50
Conforming Regulations and Standards	50
Printing Speed	51
Printing Media Feeding Means	52
Printing Media	53
Printing Accuracy	54
Components to Be Replaced Periodically	55
Options	55
Error Codes and Messages	56
Introduction	57
Error messages	57
Measurements	58
Service Flowchart	58
Repair Analysis Procedure Table	60
How to Use a Repair Analysis Procedure Table	60
How to Follow a Repair Analysis Procedure	61
General Notes on Using Repair Analysis Procedures	62
Error Codes with Repair Analysis Procedure	64
Troubleshooting	136
Printer Performance Problems Repair Analysis Procedure (RAP) Table	136
Image-Quality Problems Repair Analysis Procedure (RAP) Table	138
Electrical Interference Repair Analysis Procedure (RAP) Table	138
Printer Performance Problems	139
Image-Quality Troubleshooting	205
Introduction	205
Image-Quality Defect Definitions	206
Diagnostics, Test Prints, Service Tests and NVRAM Adjustments	248
Entering Diagnostics Mode	250
System Controller Board Error (Blink) Codes	251
Recommended Corrective Action	252
Power On LED Sequence	252
Diagnostics Menu Map	253
System Controller Board Test Prints	255
Main Menu Test Prints	255
Configuration Sheet	255
System Controller Board Test Print	256
Fault History	256
Display Faults	256
Menu Map	256
PS Font List	257
PCL Font List:	257
PCL Demo:	257
Print Engine Controller Board Test Print	258
Analyzing Test Prints	259
Registration	260
NVRAM Configuration (NVM Config)	262
Component Tests	264
Reset Menu	268
Maintenance Kit Counter Reset Procedure	269
Maintenance and Cleaning	270
Scheduled Maintenance	270
Recommended Tools	270
Inspect While Servicing	270
General Cleaning (if needed)	271
FRU Removal / Replacement Procedures (RRPs)	274
Contents - Removal and Replacement Procedures	274
Introduction	277
Work Notes	277
Preparation	278
Notations in the RRP text	278
Adjustment	278
Repair Procedures	279
RRP 1.1 Left Side Cover	279
RRP 1.2 Right Side Cover	280
RRP 1.3 Top Cover Assembly	281
RRP 1.4 Front Cover	282
RRP 1.5 Lower Left Cover	283
RRP 1.6 HVPS Cover	284
RRP 1.7 Lower Rear Cover	285
RRP 1.8 MBF Gear Cover	286
RRP 1.9 Rear Cover	287
RRP 2.1 Multi-sheet Bypass Feeder (MBF) Assembly	288
RRP 2.2 MBF Feed Rollers	290
RRP 2.3 MBF Tray 1 Turn Roller Clutch Assembly	291
RRP 2.4 Tray 1 Turn Roller Assembly	292
RRP 2.5 MBF Retard Holder Assembly	293
RRP 2.6 Tray 1 No Paper Sensor Assembly	295
RRP 2.7 MBF No Paper Sensor Assembly	296
RRP 2.8 MBF Feed Solenoid	298
RRP 2.9 Tray 1 Feed Solenoid	299
RRP 2.10 Tray 1 Feed Roller	300
RRP 2.11 Tray 1 Retard Holder Assembly	301
RRP 3.1 Retard Chute Assembly	302
RRP 3.2 Rear Chute Assembly	303
RRP 3.3 Lower Turn Roller Assembly	304
RRP 3.4 Tray 1 Low Paper Sensor	305
RRP 3.5 Tray 1 Right Guide Assembly	306
RRP 3.6 Tray 1 Left Guide Assembly	308
RRP 3.7 CRUM Board	310
RRP 3.8 MBF Assembly Position Sensor	311
RRP 4.1 Paper Transport Assembly	312
RRP 4.2 Registration Actuator	314
RRP 4.3 Registration Clutch	315
RRP 4.4 Registration Sensor	316
RRP 5.1 Fuser Assembly	317
RRP 5.2 Stack Full Sensor	318
RRP 5.3 Exit Roller Assembly	320
RRP 5.4 Stack Full Sensor Actuator	323
RRP 6.1 Main Drive Gear Assembly	324
RRP 7.1 Laser Assembly	326
RRP 7.2 Right Print Cartridge Guide Assembly	328
RRP 7.3 Toner Sensor Assembly	330
RRP 7.4 Top Cover Interlock Switch	331
RRP 7.5 Left Print Cartridge Guide Assembly	332
RRP 7.6 Bias Transfer Roller [BTR] Assembly	333
RRP 8.1 System Controller PWB	334
RRP 8.2 High-Voltage Power Supply [HVPS] Board	336
RRP 8.3 Duplex Interface Board	337
RRP 8.4 Main Fan	338
RRP 8.5 Print Engine Controller Board	339
RRP 8.6 Low-Voltage Power Supply [LVPS] Assembly	341
RRP 8.7 LVPS FAN	342
RRP 8.8 AC Input Assembly	343
RRP 8.9 Control Panel +5 VDC Power Supply	344
RRP 9.1 Duplex Assembly	346
RRP 10.1 1000-Sheet High Capacity Stacker [HCS]	347
RRP 10.2 HCS Top Cover	348
RRP 10.3 HCS Rear Cover Assembly	349
RRP 10.4 HCS Front Cover	350
RRP 10.5 HCS Exit Gate Solenoid	351
RRP 10.6 HCS Stack Full Sensor	352
RRP 10.7 HCS Stack Full Sensor Actuator	353
RRP 10.8 HCS Drive Motor Assembly	354
RRP 10.9 HCS Rear Cover Interlock Switch	355
RRP 10.10 HCS Paper Sensor	356
RRP 11.1 500-Sheet Feeder Removal	357
RRP 11.2 Front Cover	358
RRP 11.3 Left Cover	359
RRP 11.4 Right Cover	360
RRP 11.5 Rear Cover	361
RRP 11.6 Drive Assembly	362
RRP 11.7 Feeder Board	363
RRP 11.8 Feed Head Assembly	364
RRP 11.9 Feed Rollers	365
RRP 11.10 Feed Solenoid	366
RRP 11.11 Turn Roller Assembly	367
RRP 11.12 Retard Chute Assembly	368
RRP 11.13 Left Tray Guide	369
RRP 11.14 Right Tray Guide	371
RRP 11.15 Retard Holder Assembly	373
RRP 11.16 Retard Turn Roller Assembly	374
RRP 11.17 Paper Size Sensor	375
RRP 11.18 Paper Tray Sensor	376
RRP 11.19 No Paper Sensor	377
RRP 11.20 No Paper Sensor Actuator	379
RRP 11.21 Preregistration Sensor	380
RRP 12.1 Removing the 2000-Sheet Feeder	381
RRP 12.2 Left Side Cover	383
RRP 12.3 Upper Rear Cover	384
RRP 12.4 Lower Rear Cover	385
RRP 12.5 Right Side Cover	386
RRP 12.6 Front Cover	387
RRP 12.7 Tray Assembly	388
RRP 12.8 2000-Sheet Feeder PWB	389
RRP 12.9 Tray Lift Motor Assembly	390
RRP 12.10 A4 Paper Size Sensor	391
RRP 12.11 Casters	392
RRP 12.12 Harness Assembly	393
RRP 12.13 Drive Assembly	394
RRP 12.14 Feed, Nudger, and Retard Roller	395
RRP 12.15 Paper Height Sensor	396
RRP 12.16 Paper Feed Motor Assembly	397
RRP 12.17 Link Stopper	398
RRP 12.18 No Paper Sensor	399
RRP 12.19 No Paper Sensor Actuator	400
RRP 12.20 Left and Right Wire Cover	401
RRP 12.21 Shaft Cover Assembly	402
RRP 12.22 Drive Shaft Assembly	403
RRP 12.23 Brake Assembly	404
RRP 12.24 Left Tray Wires	405
RRP 12.25 Right Tray Wires	406
RRP 12.26 Retard Assembly	407
FRU Parts List	410
Introduction	410
Organization of this Section	410
Using the Parts List	411
Parts Lists	413
PL 1.1 Covers	413
PL 2.1 Paper Tray [A3/Ledger]	415
PL 2.2 Paper Tray [A4/Letter]	417
PL 3.1 Paper Feeder	419
PL 4.1 Multi-sheet Bypass Feeder (MBF) Assembly	421
PL 4.2 Paper Handler	423
PL 5.1 Paper Transport	425
PL 6.1 Rear Cover Assembly With Fuser	427
PL 7.1 Frame & Drives	429
PL 8.1 Xerographics	431
PL 9.1 Electrical (1 of 2)	433
PL 9.2 Electrical (2 of 2)	435
PL 10.1 High Capacity Stacker [HCS] (1 of 2)	437
PL 10.2 High Capacity Stacker [HCS] (2 of 2)	439
PL 11.1 500-Sheet Feeder (1 of 3)	441
PL 11.2 500-Sheet Feeder (2 of 3)	443
PL 11.3 500-Sheet Feeder (3 of 3)	445
PL 12.1 2000-Sheet Feeder (1 of 4)	447
PL 12.2 2000-Sheet Feeder (2 of 4)	449
PL 12.3 2000-Sheet Feeder (3 of 4)	451
PL 12.4 2000-Sheet Feeder (4 of 4)	453
PL 13.1 Duplex Assembly	455
Xerox Supplies and Accessories	457
Plug/Jack Connector Locations	462
Contents	462
Plug/Jack (P/J) Locations for the Engine	463
Plug/Jack Location Map 1 - Engine	466
Plug/Jack Location Map 2 - Engine	467
Plug/Jack Location Map 3 - Engine	468
Plug/Jack Location Map 4 - 500-Sheet Feeder	469
Plug/Jack Location Map 5 - Duplex Assembly	471
Plug/Jack Location - 1000-Sheet (High Capacity) Stacker	473
Plug/Jack Location - 2000-Sheet Feeder	475
Plug/Jack Location Map 7 - 2000-Sheet Feeder	476
Wiring Diagrams	478
Wiring Diagram Notations	478
Organization	479
Master Connection and Wiring Diagram	480
Base Engine Wiring Diagrams	483
500-Sheet Feeder	494
Duplex Assembly	496
1000-Sheet (High Capacity Stacker)	497

Match case Limit results 1 per page

Phaser 5400 Laser Printer Service Guide

105

RAP 37

Error Code U6:

IOT NVM Fail

Power Off / On

There is a problem with the Non-Volatile RAM on the Print Engine Controller Board

Table 58

Error Code U6: IOT NVM Failure Troubleshooting Procedure

Step

Actions and Questions

Yes

POWER CYCLING

Switch the printer power OFF, wait 20 - 30 seconds,

then switch printer power ON.

Does the IOT NVM Fail error code appear?

Go to

Step 3.

Go to

Step 2.

VERIFYING STEP 1 ABOVE

To ensure the problem is solved, switch the printer

power OFF and ON several times.

Does the IOT NVM Fail error code reappear?

Go to

Step 3.

Problem

solved.

ENTER DIAGNOSTICS

1. Enter Diagnostics mode.

2. From the Main Menu, select NVM Config / enter

password [0734] /

Was the password accepted and does

±Resolution° now appear on the LCD?

Go to

Step 4.

Replace the

Print Engine

Controller

Board

[RRP 8.5,

page 310

NON-VOLATILE MEMORY CONFIGURATION

CODES

Check the NVM Data one by one referring to the

NVRAM Configuration Table of Non-Volatile Memory

Configuration Codes,

page 233

Is the data set properly?

Go to

Step 5.

Replace the

Print Engine

Controller

Board

[RRP 8.5,

page 310

POWER OFF/ON

Switch printer power OFF, wait 10-20 seconds, then

switch power ON.

Does the IOT NVM Fail error message still

appear?

Replace the

Print Engine

Controller

Board

[RRP 8.5,

page 310

Problem

solved.

SUSPECT COMPONENTS

The following printer components and areas are

associated with this specific problem. One or more of

these components or areas may have failed partially or

completely. If you cannot isolate this problem using the

steps in this Repair Analysis Procedure, replace each

component or troubleshoot each area listed below, one

at a time, until you isolate and solve the problem.

■

Print Engine Controller Board [RRP 8.5,

page 310

]

■

Wiring and connectors linking the components