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WorkCentre C2424DX
Xerox WorkCentre C2424DX User Manual
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2
Section
Theor
y of
Operation
In this chapter
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44
46
Table of Contents
Organization of this Manual
5
General Safety
7
Electrostatic Discharge (ESD) Precautions
11
Service Safety Summary
12
Regulatory Specifications
14
Table of Contents
17
General Information
25
System Introduction and Overview
26
System Features and Configurations
27
Standard Configurations
27
Front View
28
Open View
28
Side View with System Interfaces
29
Back View
29
Electronics Module
30
Routine Maintenance Items and Consumables Life Expectancy
31
Control Panel Layout
32
Menu Map
35
System Specifications
36
Physical Dimensions and Clearances
36
Print Engine (IOT) Functional Specifications
37
System Electrical Specifications
38
System Environmental Specifications
38
Scanner/Dadf (IIT) Specifications
38
Tray and Media Specifications
40
Duplex Automatic Document Feeder Guidelines
41
Supported Envelopes
43
Media Storage Guidelines
43
Media that May Damage the System
44
Theory of Operation
45
System Overview
46
System Summaries
46
Image Input Terminal (IIT)
47
Major Components of the DADF and Scanner
47
Document Feeder Functions
48
Document Feeder Paper Path and Imaging
50
Scanner Assembly Functions
51
Scanner and Document Feeder Calibration
52
System Electronics
54
Exit Module (MEP) Board
55
Scanner Power Supply
55
Electronics Module
55
Image Output Terminal (IOT) Sub-Assemblies
59
Paper Path and Paper Pick
62
Paper Pick for Tray 1
62
Paper Pick for Trays 2 - 4
63
2-Sided (Duplex) Printing
64
Sensor Locations
65
System Motors, Solenoids, and Drive
66
Process Drive
67
Media Path Drive
68
The Print Process
69
Drum Preparation
70
Ink Loader
71
Printhead
72
Drum Assembly
78
Transfix System
80
Drum Maintenance System
81
Purge System
82
Transfixing and Exiting
84
Transfix and Print Speeds
88
Configuration Card Personality Parameters
89
Error Messages and Codes
93
Introduction
94
Power-Up Error Messages and LED Codes
95
BIST Error Reporting
95
POST Error Reporting
96
PEST Error Reporting
99
Fault Code Error Message Troubleshooting
100
Fault Code Error Reporting
100
Interpreting Fault Codes
100
1,000.4X Error - 525-Sheet Feeder Faults
101
2,0Xx.4X Error - I/O Circuit Board Fault
102
3,0Xx.6X - IPC Program Faults
102
4,0Xx.4X Errors - Process Control System Fault
103
5,0Xx.4X Errors - Y-Axis Sub-System Fault
106
6,0Xx.4X Errors - X-Axis Fault
107
7,0Xx.4X Errors - Process Motor Gearbox Faults
108
8,0Xx.XX Error - Wiper/Media Path Gearbox Faults
112
9,0Xx.XX Errors - Ink Loader Faults
114
11,0Xx.XX Errors - Electronics Module Interface Fault
115
13,0Xx.XX Errors - Thermal Faults
116
19,0Xx.XX Errors - Printhead Calibration Faults
125
31,0Xx.4X Errors - Mechanical Initialization Jam
126
33,0Xx.XX Errors - Tray Manager Device Faults
127
34,0Xx.XX Errors - Printhead NVRAM Faults
127
36,000.40 Errors - Drum Maintenance Faults
128
37,0Xx.XX Errors - PEST Faults
129
39,0Xx.XX Errors - Document Feeder / Scanner Unit Faults
138
3-Digit Jam Codes
141
Jam Code Definition Table
142
General Troubleshooting
159
Introduction
160
Hidden Service Menu
160
Service Diagnostics
162
Service Diagnostics Menu Functions
162
Entering Service Diagnostics
163
Service Diagnostic Menu Definition Tables
164
Check Menu / Activators Definition Tables
173
Check / Activators Menu
173
Check Shafts Menu
176
Check Fans Menu
182
Check Heaters Menu
183
Check Paper Path Menu
185
Check Drive Menu
193
Check Drum Menu
198
Check Misc Menu
206
System Power-Up Sequence
212
Mechanical Initialization of the Print Engine
213
Head Cleaning Cycle Performance
215
Electrical Troubleshooting
216
Electronics Module
216
Document Feeder Lamp Does Not Turn on
217
Document Feeder Does Not Feed Media
217
Scanner Scanhead Does Not Move
218
Scanhead Motion Is Not Smooth and Continuous
218
Scanner Lamp Does Not Turn on
218
Control Panel Is Malfunctioning
218
Exit Module (MEP) Is Malfunctioning
220
System Fails to Power-Up
220
System Energy Star Mode Troubleshooting
222
System Reports Missing Maintenance Kit
223
System Reports Missing Waste Tray
223
System Features Not Available
223
525-Sheet Feeder Does Not Function
224
Non-Specific Electronics Failure
225
Verifying Scanner Power Supply Operation
228
Verifying Power Supply Operation - Print Engine
229
Measuring AC Power Supply Voltages
230
Measuring DC Power Supply Voltages
231
Ensuring Ground Integrity
231
Testing Motor and Solenoid Resistances
233
Paper Path and Media-Based Problems
234
Media-Based Problems
234
Checking the Process and Media Path Drive
236
Operating System and Application Problems
237
Testing Communications Ports
237
Network Problems
239
Obtaining Serial Back Channel Trace
240
Image-Quality Troubleshooting
241
Image-Quality Problems Overview
242
Service Technician RIP Procedure
243
Isolating a Copy/Scan Malfunction to the Scanner/Dadf
243
DADF Image-Quality Problems
244
Dark Streaks on the Copied Image
244
Skewed Copy Image
245
Copy Image Is Lighter/Darker than the Original
245
Fuzzy Text/Image
246
Copied Image Colors Do Not Match the Original
247
Scanner Image Quality Problems
248
Dark Streaks on the Copied Image
248
Copied Image Is Skewed
248
Copied Image Is Lighter/Darker than the Original
248
Copy Image Colors Do Not Match the Original
249
Fuzzy Text/Image
250
Diagnosing IOT (Print Engine) Print-Quality Problems
251
Random Light Stripes
252
Predominate Light Stripes
253
Smudges or Smears
254
The Printed Image Is too Light or too Dark
255
No Image Is Being Printed
255
Color Is Uneven or Color Is Wrong
256
Streaks or Lines down the Print
257
Scratches or Marks Parallel to the Long Axis of Printing, Particularly with Transparencies
259
There Is Ink on the White Portion of the Printed Page
261
Fuzzy Text
262
Poor Primary Color Fills
264
Ghosting
265
Poor Small Text Resolution
266
Vertical Lines Appear Wavy
267
Oil Streaks on Print
268
Incomplete Image Transfer to Paper
269
Ink Smears on First Printed Side of Duplex Print
270
Repeating Print Defects on Print
271
White Stripes (Pinstripes)
272
Wrinkling
273
Image Is Offset or Cut-Off
274
Poor Ink Adhesion, Poor Image Durability
274
Analyzing Service Test Prints
275
Test Print Examples
275
Adjustments and Calibrations
287
System Alignments and Adjustments
288
Wiper Alignment
288
Print Engine Component Home Positions and Indicators
290
Homing the Printhead Wiper
290
Homing the Head Tilt Gear
291
Homing the Process Gear Drive Train
294
Manual DADF to Scanner Calibration
295
Jet Substitution Mode
298
Resetting NVRAM
299
Cleaning and Maintenance
301
Inspection
302
System Self-Maintenance
303
Printhead Maintenance Cycle (Eliminate Light Stripes)
303
Paper Preheater Cleaning (Remove Print Smears)
304
Transfix Roller Oiling
304
Drum Cleaning - Chase Page
304
Service Cleaning and Maintenance Procedures
305
Cleaning for Print-Quality Problems
306
Media Jams and Paper Pick Cleaning Procedures
307
Pick Roller Cleaning Methods
307
Cleaning the Drum Temperature Sensor
308
Maintenance Kit
309
Waste Tray
309
Lubrication
310
Service Parts Disassembly
311
Overview
312
Standard Orientation of the System
312
General Notes on Disassembly
313
Image Input Terminal (DADF and Scanner)
314
Duplex Automatic Document Feeder
314
DADF Front Cover
315
Scanner Assembly
316
Control Panel
317
Image Output Terminal (Print Engine)
317
Covers
318
Output Paper Tray Assembly
318
Front Door / Tray 1 Assembly
320
Right and Left Side Covers
321
Rear Cover and EMI Shield
322
Imaging
323
Ink Loader Assembly
323
Y-Axis Drum Belt, Y-Axis Tension Spring, and Y-Axis Motor Assembly
324
Printhead Assembly, Right and Left Printhead Restraints
326
X-Axis Bias Spring
333
Printhead Wiper
334
Media Release Blade (Stripper) Carriage Assembly
336
And Transfix Roller
336
Paper Preheater and Deskew Assembly
337
Duplex Roller
339
Transfix Load Module
340
Transfix Camshaft Assembly
344
Drum Maintenance Camshaft Assembly
345
Drum Maintenance Pivot Plate Assembly
346
Drum Assembly
347
Purge Pressure Pump
351
Paper Path
352
Exit Module Assembly (MEP)
352
Paper Guides
354
Take Away Roller
358
Pick Assembly
359
Tray Lift Motor
361
Motors, Gears, Solenoids, Clutches, and Fans
362
Media Drive Gearbox with Two Clutches and Solenoid
362
Tray 1 (MPT) Pick Solenoid
364
Process Drive Motor and Gearbox
365
X-Axis Motor Assembly
367
Head Tilt Compound Gear
368
Electronics
369
Scanner Power Supply
369
Exit Module (MEP) Board
370
Electronics Module
371
Back Frame and Printer Stabilizer
373
Wave Amp Board
375
I/O Board
376
Drum Heater Relay Board
377
NVRAM Replacement
378
Parts Lists
379
Serial Number Format
380
Using the Parts List
381
Covers
382
Imaging
384
Paper Path
386
Motors, Gears, Solenoids, Clutches, Sensors, Fans
388
Electronics Module, Circuit Boards and Cables
390
Sensors and Flags (Actuators)
392
Xerox Supplies
394
Wiring Diagrams
397
Plug/Jack Locator Table
398
Scanner/Dadf Functional Diagrams
401
Main Block Wiring Diagram
402
Main Block Wiring Diagram (Continued)
403
Scanner/Exit Module Power Supply and MEP (Exit Module) Board
404
Right-Side Wiring Diagram
405
Right-Side Wiring Diagram (Continued)
406
Left-Side Wiring Diagram
407
Left-Side Wiring Diagram (Continued)
408
Inside Front Wiring Diagram
409
Inside Top Wiring Diagram
410
Inside Top Wiring Diagram (Continued)
411
Electronics Module
412
A Appendix
413
Control Panel Menu Map
414
Control Panel Menu Map -Continued
416
Media Margin Specification Table
417
Paper Weight Equivalence Table
418
On-Site Printhead Troubleshooting Checklist
419
4
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Xerox WorkCentre C2424DX Specifications
General
Brand
Xerox
Model
WorkCentre C2424DX
Category
Printer
Language
English
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