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COLORQUBE 8870
Xerox COLORQUBE 8870
433 pages
Manual
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October 2012
2-38
ColorQube 8570/8870 Service Manual
91,900, 9
1,903, 91,904,
93,901
Revised, 3rd Revision - Xerox Internal Use O
nly
Fault Messages and Codes
83
85
Table of Contents
Main Page
Introduction
5
Service Manual
1
Table of Contents
5
About this Manual
7
Organization
7
How to Use this Manual
7
Power Safety
7
Service Safety Summary
8
Moving the Printer
9
Symbols Used on the Printer
10
Electrostatic Discharge Precautions
11
Regulatory Requirements
11
Translation of Warnings
12
Colorqube 8570/8870 Overview
13
Printer Configurations
14
Parts of the Printer
14
Printer Options
16
Control Panel Layout
17
Menu Map
18
Routine Maintenance Items
19
Consumables
19
Printer Specifications
21
Power Saver
24
Physical Dimensions and Clearances
25
Information Pages, Troubleshooting Pages, and Test Prints
26
Acronyms and Abbreviations
29
1 Service Call Procedures
33
Service Call Procedures
35
Initial Actions
38
Routine Maintenance Activities
38
Cleaning Procedures
40
Final Actions
45
Table of Contents
48
Configuration Card Parameters
54
Electronics Module
85
Printhead Level Sense Faults
97
PEST - Generic Error
115
PEST - Jetstack Disconnect
115
PEST - Head Maintenance Clutch Disconnect
122
PEST - Main Tray Pick Clutch Disconnect
123
PEST - Strip Solenoid Disconnect
124
PEST - Head Tilt Solenoid Disconnect
125
PEST - X-Axis Motor Disconnect
126
PEST - Y-Axis Motor Disconnect
127
PEST - Process Motor Disconnect
128
PEST - Power Supply Faults
129
PEST - Power Supply +12V or -15V Faults
130
PEST - Power Supply +12V Sleep Faults
131
PEST - VPP/ VSS Measurement too Low
132
PEST - the Wave Amp Shorted
133
PEST - Ink Loader Solenoid Gate Push/Pull Disconnected
134
PEST - All Ink Loader Gates Failed
135
PEST - Power Dump Circuit Disconnected
136
Close Front Door a (When Actually Closed)
137
Close Ink Loader Door C (When Actually Closed)
138
Paper Jam - Open Exit Door B to Clear (no Jam Is Present and Message Won't Clear)
139
Tray 2 Is Missing (When Inserted)
140
Maintenance Kit Missing (When Installed)
141
Ink Sticks Jammed
142
Remove Incorrect Ink Sticks
142
Remove Unidentified Ink Sticks (Cyan, Magenta, Yellow, Black)
143
Jam Codes
144
Printer Fault Codes
148
3 Image Quality
151
Print-Quality Problems Overview
153
IQ1 Image Quality Entry RAP
155
IQ2 Random Light Stripes
155
IQ3 Predominant Light Stripes, Scratches or Marks down the Print or Parallel to the Long Axis of Printing
157
IQ4 Streaks, Smudges, or Smears down the Print
158
IQ5 Partial Image/ Color Missing
160
IQ6 the Printed Image Is too Light or too Dark
161
IQ7 no Image Is Printed
162
IQ8 Color Is Uneven or Wrong (Uniformity)
163
IQ9 Skew
164
IQ10 Ink on White Portion of the Printed Page
165
IQ11 Fuzzy or Blurry Printing
167
IQ12 Vertical Lines Appear Wavy
168
IQ13 Ghosting
169
IQ14 Oil on Print
170
IQ15 Incomplete Image Transfer, Drop Out, Loss of Image Pixels
171
IQ16 Repeating Print Defects
173
IQ17 White Stripes (Pinstripes)
173
IQ18 Media Wrinkling or Damage
175
IQ19 Image Is Offset or Cutoff
176
IQ20 Poor Ink Adhesion, Poor Image Durability
177
IQ21 Gloss Irregularities
178
IQ22 Grainy
179
Cleaning Page (Mud Page) & Light Stripes
181
Test Prints
181
Weak or Missing Jet
181
Color Bands, RGBK Dither
182
Manufacturing Skew Margin
183
YMCKRGB Solid Fills
183
Cyan Solid Fills
184
Magenta Solid Fills
184
Black Solid Fills
185
Yellow Solid Fills
185
Blue Solid Fills
186
Green Solid Fills
186
Red Solid Fills
186
Chase Pages
187
Manufacturing Skew and Margins
187
Drop Mass Calibration
188
Oil Bar Chase
188
Purge Efficiency
188
X-Axis Motion
188
Head Roll
189
Image Quality
189
Intensity CMYK
189
Solid Fill Blue Scan
190
Solid Fill Green Scan
190
Solid Fill Red Scan
190
Jet Substitution Mode
191
Image Specifications
192
4 Repairs and Adjustments
195
Disassembly Overview
197
REP 1.1 Front Door/ Tray 1 (MPT) Assembly
199
REP 1.5 Control Panel Cover
200
REP 1.6 Control Panel
201
REP 1.7 Exit Cover
201
REP 1.8 Ink Loader
202
REP 1.9 Ink Loader Bezel
203
REP 1.10 Left Side Cover
204
REP 1.11 Right Side Cover
205
REP 1.12 Drum Maintenance Door
205
REP 1.13 I/O Access Door
206
REP 1.14 Waste Tray Cover
206
REP 1.15 Waste Tray
208
REP 1.16 Drum Maintenance Unit
208
REP 1.17 Tray 1 Arm
209
REP 1.18 Tray 1 (MPT) Pick Roller Assembly
210
REP 2.1 Funnel Cap
213
REP 2.2 Jetstack Cap
213
REP 2.3 Printhead Assembly
214
REP 2.4 Drum Assembly
223
REP 2.5 Y-Axis Belt
228
REP 2.6 Printhead Wiper and Wiper Drive Belt
228
REP 2.8 Purge Pressure Pump
229
REP 2.9 Left and Right Printhead Restraints
230
REP 2.11 Drum Maintenance Camshaft
232
REP 2.12 Transfix Camshaft
233
REP 2.13 Stripper Carriage Assembly/ Transfix Roller
234
REP 2.15 Y-Axis Tension Spring
236
REP 2.16 Transfix Load Module
236
REP 2.17 Drum Maintenance Pivot Plate/ Drum Wiper Blade Assembly
239
REP 2.20 Preheater and Deskew Assembly
242
REP 2.21 Transfix Arm Kit (with Pins)
244
REP 2.22 X-Axis Bias Spring Hook, X-Axis Roll Adjuster Spring
246
REP 2.24 X-Axis Bias Spring
247
REP 3.1 Inner Simplex Guide with Pre-Deskew Sensor and Harness
249
REP 3.2 Lower Inner Duplex Guide
250
REP 3.3 Lower Exit Guide Assembly
250
REP 3.4 Outer Duplex Guide
251
REP 3.5 Upper Duplex Guide and Solenoid
251
REP 3.7 Takeaway Roller
252
REP 3.8 Duplex Roller
253
REP 3.9 Separator Pad Kit
254
REP 3.10 Pick Assembly and Retard Roller
255
REP 3.12 525-Sheet Feeder
256
REP 3.13 Exit Module
257
REP 3.14 Takeaway Guide
259
REP 4.1 Preheater Lift Solenoid
261
REP 4.2 Y-Axis Motor Assembly
261
REP 4.3 Tray 1 Pick Solenoid
263
REP 4.4 Head Tilt Solenoid
264
REP 4.5 Media Drive Assembly
266
REP 4.6 Tray 2 Lift Motor
268
REP 4.7 Electronics Module Fan
269
REP 4.8 Head Tilt Gear
269
REP 4.9 Tray 2 Lift Motor Gear
271
REP 4.10 Head Maintenance Clutch
272
REP 4.11 X-Axis Motor
272
REP 4.12 Drum Cooling Fan
273
REP 4.13 Process Drive
273
REP 5.1 Electronics Module
277
REP 5.2 Hard Disk Drive
278
Rep 5.3 Ram
279
Rep 5.4 Nvram
281
REP 5.5 Configuration Card
282
REP 5.6 Circuit Boards (Power Supply, Main Controller, Power Control)
282
REP 5.9 Wave Amplifier
287
REP 5.10 I/O Board
290
REP 6.1 Paper Size Switch
291
REP 6.2 no Paper Sensor
292
REP 6.3 Paper Height Sensor
293
REP 6.5 Drum Temperature Sensor
294
REP 6.6 Front Door and Exit Door Interlock Switches
294
REP 6.7 Waste Tray Detect Sensor
295
ADJ 1.1 Wiper Blade Alignment
297
ADJ 1.2 Homing the Printhead Forward to Print Position
298
ADJ 1.3 Process Drive Alignment
299
ADJ 1.4 Manual Printhead Parking
300
ADJ 1.5 Center the Printhead
302
5 Parts List
303
Parts List Overview
305
Serial Number Format
305
PL 1.1Covers
306
PL 2.1 Imaging
307
PL 3.1 Paper Path
308
PL 4.1 Drive
309
PL 5.1 Electrical
310
PL 6.1 Sensors and Actuators
311
Xerox Supplies and Accessories
312
6 General Troubleshooting
315
Printer Power on Process
317
Hidden Service Menu
319
Unplanned Shutdown
319
Temperature below Purge Threshold
319
Service Diagnostics
320
Entering Service Diagnostics
323
Service Diagnostics Menu Maps
324
Service Diagnostics Tests
326
General Troubleshooting
339
Electrical Troubleshooting
340
Control Panel Malfunction
355
Media Path and Transport Problems
356
Noise Troubleshooting
359
OF1 Drum Ground Plane Rubbing
360
OF2 Drum Knocking (Drum Belt)
361
OF3 Y-Axis Motor Bearing
361
OF4 Tray 1 - Squeaking
362
OF5 Tray 1 - Buzzing, Grinding
362
OF6 Process Motor Gear Box (Transfix Output Gear)
363
OF7 Process Drive Gear Box (Compound/ Helical Gear)
363
OF8 Gear Skipping (Head Maintenance Train/ Media Path Gear Box)
364
OF9 Other
364
Operating Systems and Application Problems
365
Network Problems
367
USB Port Testing
368
Firmware Upgrade
369
Printhead Cleaning Cycle
369
Printhead Troubleshooting Checklist
370
Wiring Data
371
Theory of Operation
391
Operational Overview
393
Paper Path of the Printer
395
Sensors
398
Printer Electronics
399
System Drive
407
Print Process
410
Purge System
422
Other manuals for Xerox COLORQUBE 8870
User Guide
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System Administrator Guide
140 pages
Guide D'Utilisation
217 pages
Installation Guide
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