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C760
Lexmark C760 User Manual
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7-28
Service
M
anu
al
5060-4
xx
Ass
embly 20
:
Car
trid
ge
co
nt
act a
sse
mbly
Asm-
index
Pa
r
t
num
be
r
Unit
s
Descript
ion
20–1
56P0310
3
Cartridge contac
t
ass
emb
ly
, compl
et
e
,
cy
an/magent
a/ye
llow
2
12G6376
4
Sp
ri
n
g, rear hold down
3
12G6377
4
Rear hold do
wn
bellcr
ank
4
56P1561
1
Cartridge contac
t
assem
b
ly
, compl
ete bl
ac
k
365
367
Table of Contents
Default Chapter
3
Table of Contents
3
Notices and Safety Information
11
Laser Notice
11
Safety Information
15
Preface
18
Definitions
18
General Information
19
Tools Required for Service
19
Options and Features
20
Toner Darkness
21
Printer Specifications
22
Print Speed and Performance Print Speed
24
Duty Cycle
26
Memory Configuration
26
Available Memory Options
27
Media Specifications
28
Media Type
29
Media Size
30
Index
32
Input Media Types and Weights
32
Output Media Types and Weights
33
Web Oiler Upgrade Kit and Replacements
35
Acronyms
36
Diagnostic Information
37
Start
37
POR (Power-On Reset) Sequence
38
Symptom Tables
39
Symptom Table - Base Printer
39
Symptom Table - 500-Sheet Drawer Option
40
Symptom Table - HCIT 2000-Sheet Option
40
Symptom Table - Output Expander Option
40
Symptom Table - 5-Bin Mailbox Option
41
Symptom Table - Finisher (HCOF) Option
41
Error Code Table
42
9Xx Service Errors
42
1Xx Service Errors
44
Programming Errors - P101 through P116
50
2Xx Paper Jams
51
Sub Error Code Table
54
Understanding the Printer Operator Panel
57
Operator Panel Buttons
57
Color Menu
59
Utilities Menu
61
User Attendance Messages
63
Service Checks
77
100 ITU Error
77
104 ITU Error
80
120 Error Code
81
128 Error Code
85
130 Error Code
86
131 Error Code
87
132 Error Code
88
133 Error Code
89
Error Code
92
Error Code
93
151 Error Code
94
Error Code
95
Error Code
96
157 Error Code
98
159 Error Code
99
162 Error Code
100
165 Error Code
101
Paper Jam—Tray 1
102
Paper Jam—Options and Multipurpose Feeder
104
Duplex Option
105
Paper Jam
106
Paper Jam
107
Paper Jam
109
250 Paper Jam
114
Paper Jam - Check bin 1
116
Paper Jam - Check bin X
117
280 Paper Jam
118
900 RIP Software Error
119
925 Error Code
121
Error Code
122
Error Code
123
Error Code
125
Error Code
127
Error Code
129
956 Service Error
131
Output Expander
132
5-Bin Mailbox Option Service Check
134
500-Sheet Drawer Option Service Check
138
AC and DC Power Service Check
141
DC Power Service Check
142
Autocompensator Service Check
143
Black Only Retract (BOR) Service Check
145
Close Door/Hvps/Printhead Interlock Switch Service Check
146
Duplex Option Service Check
148
Envelope Feeder Option Service Check
150
Finisher Service Check
152
Hcof Error Code Table
152
HCIT 2000-Sheet Option Service Check
157
Fuser Drive Assembly Noise Check
160
Excessive Fuser Drive Motor Assembly Noise
160
Operator Panel Lcd/Status Led/Buttons Service Check
161
Output Expander Option Service Check
163
Blank Page (no Image)
166
Print Quality Service Check
166
Entire Page Is Mostly One Color-Full Bleed Planes in One Color
167
Missing Colors-Complete or Partially Missing Color Planes
168
Black and White Only-Cyan, Magenta, and Yellow Are Missing
169
Light Print over the Entire Page
169
Horizontal Lines or Streaks
170
Vertical Lines or Streaks
170
Low Image Density
171
Poor Color Alignment
172
Transparency Print Quality Is Poor
172
Negative Ghosting or Faded Image
173
Residual Image
173
Uneven Printing
173
Smudged or Distorted Images on Fused Page
174
Toner Smears or Rubs off the Page with no Error Code Displayed
174
Light Lines or Streaks Appear on the Page
175
Toner Is on the Back of the Printed Page
175
Paper Wrapped Around the Second Transfer Roll
176
White Streak in Color Plane
176
Second Transfer Roll Service Check
177
Tray 1 Service Check
178
Tray 1 Paper Size Sensing Service Check
179
Diagnostic Aids
181
Printhead Diagnostics
181
Print Quality Defect Locator Chart
184
Partial Print Test
186
Configuration Menu
188
Entering Config Menu
188
Exiting the Config Menu
188
ITU Count Value
189
Fuser Cnt Value
189
Reset Fuser Cnt
189
Prt Quality Pgs
189
Color Trapping
189
Tray Insert Msg
189
Size Sensing
190
Panel Menus
190
PPDS Emulation
190
Demo Mode
190
Factory Defaults
190
Energy Conserve
191
Auto Color Adjust
191
Error Log
191
Font Sharpening
191
Paper Prompts
192
Env Prompts
192
Exit Config Menu
192
Diagnostics Mode
193
Entering Diagnostics Mode
193
Exiting the Diagnostics Mode
193
Registration
194
Alignment Menu
195
Setting Alignment for Color
195
Drift Sensors
196
Top Fine Margin Adj
196
Misc Tests
197
Motor Detect
197
Toggle ITU
197
Belt Tracking (ITU 4Th Point Adjustment)
198
Printhead Inst
198
Print Tests
199
Print Tests (Input Sources)
199
Print Quality Pgs
199
Hardware Tests
200
LCD Test
200
Button Test
200
DRAM Test
201
CACHE Test
201
ROM Test
202
Parallel Wrap Test
202
Serial Wrap Test
203
Duplex Tests
204
Duplex Quick Test
204
Duplex Top Margin Offset
204
Duplex Sensor Test
204
Input Tray Tests
205
Feed Test
205
Sensor Test
205
Output bin Tests
206
Feed Test
206
Feed to All Bins
206
Sensor Test
207
Diverter Test
207
Finisher Tests
208
Staple Test
208
Finisher Feed Test
208
Finisher Sensor Test
208
Hole Punch Test
209
Base Sensor Test
210
Device Tests
210
Quick Disk Test
210
Disk Test/Clean
211
Flash Test
211
Printer Setup
212
Defaults
212
Page Counts
212
Serial Number
213
Engine Setting X
213
Model Name
213
Configuration ID
213
Edge to Edge
213
Reset Calibration
214
Cal Ref Adj
214
Ep Setup
214
DC Charge Adjustment
214
Dev Bias Adj
214
EP Defaults
214
Fuser Temp
214
Transfer Adjust
214
Error Log
215
Display Log
215
Print Log
215
Clear Log
216
Exit Diagnostics
216
HCIT Standalone Test Mode
216
Repair Information
217
Handling ESD-Sensitive Parts
217
Screw Identification Table
218
Removal Procedures
222
Top Cover Assembly
222
Front Lower Left Cover
226
Paper Path Access Door Cover
227
Front Left Handle Cover Assembly
227
Front Lower Right Cover
228
Front Right Handle Cover Assembly
229
Front Cover Assembly
230
Rear Cover
232
Lower Right Door Assembly
234
Left Lower Cover
234
Lower Jam Access Door Assembly
235
Redrive Door
235
Autocompensator Pick Assembly
236
Front View
238
Left Side View
238
BOR Drive Assembly
244
Cartridge Contact Assembly
245
Cartridge Drive Assembly
246
Developer HVPS Board
247
Friction Buckler
249
Front Right Light Shield
250
Fuser Assembly
251
Fuser Bottom Duct
252
Fuser Drive Assembly
253
Fuser Drive Card Assembly
253
Fuser Fan
254
Fuser Top Duct
255
Fuser Web Oiler Motor Assembly and Card
256
Installation Notes
258
Inner System Board Shield
259
ITU Assembly
260
ITU Drive Assembly
260
ITU Drive Motor
261
LVPS Assembly
262
Multipurpose Feeder (MPF)
264
Nip Relief Handle
266
Operator Panel
269
Outer System Board Shield
270
Paper Size Sensing Assembly
271
Paper Size Sensing Board
273
Paper Size Sensing Board
274
Pick Rolls
275
Printhead Removal and Adjustments
276
Identifying the Printheads
276
Printhead Mechanical Alignment
277
Printhead Electronic Alignment
279
Rear Bellcrank (Cyan, Magenta, Yellow)
280
Rear Bellcrank (Black)
282
Redrive Assembly
284
Registration Motor
285
RIP Fan
285
S2/Narrow Media/Transparency/Multipurpose Feeder Cable
286
S2/Narrow Media/Transparency/Multipurpose Feeder Sensors
287
Second Transfer Roll
287
System Board
288
Transfer HVPS Board
289
Transfer Plate Assembly
292
Vacuum Transport Belt (VTB)
293
Vacuum Transport Belt (VTB) Fan
295
Waste Container Door
295
Waste Container Latch
296
Web Oiler Fuser Kit Installation
296
Connector Locations
303
Locations
303
Printer Boards
303
Printer Motors
304
Printer Sensors
305
Cartridge Contact Assembly Pin Locations (Cyan, Magenta and Yellow)
306
Cartridge Contact Assembly Pin Locations (Black)
307
Connectors
308
System Board - Non-Network
308
System Board - Network
309
Autoconnect-Top
320
Autoconnect-Bottom
321
Transfer High Voltage Power Supply (HVPS)
322
Developer High Voltage Power Supply (HVPS) Board
324
Low Voltage Power Supply (LVPS)
325
LVPS Cable Connectors to System Board
325
LVPS Fuser Connectors
326
Paper Size Sensing Board
327
High-Capacity Input Tray (HCIT)
328
High-Capacity Output Finisher (HCOF)
330
HCOF System Board
330
HCOF LVPS Board
334
HCOF Sub LVPS Relay Board
334
Preventive Maintenance
335
Safety Inspection Guide
335
Lubrication Specifications
335
Lubrication for Replacement Motors
336
Fuser Drive Assembly
336
Cartridge Drive Assembly
337
ITU Drive Assembly
337
Scheduled Maintenance
338
Standard Fusers
338
Web Oiler Fusers and Web Oiler Replacements
338
How to Use this Parts Catalog
339
Assembly 1: Covers
340
Assembly 2: Cartridge Mounting
344
Assembly 3: Fuser Assembly
345
Assembly 4: Fuser Drive
348
Assembly 5: Vacuum Transport Belt (VTB) Assembly
349
Assembly 6: Transfer
350
Assembly 7: Printheads
351
Assembly 8: Paper Feed Output (Redrive)
352
Assembly 9: Paper Feed Input
353
Assembly 10: Paper Size Sensing
354
Assembly 11: Paper Feed Transport
355
Assembly 12: Multipurpose Feeder (MPF)
356
Assembly 13: 500-Sheet Integrated Tray
358
Assembly 14: Autocompensator Assembly
359
Assembly 15: ITU Assembly
360
Assembly 16: ITU Drive Assembly
361
Assembly 17: ITU Loading
362
Assembly 18: Waste Toner
364
Assembly 19: BOR Drive Assembly
365
Assembly 20: Cartridge Contact Assembly
366
Assembly 21: Cartridge Drive Assembly
367
Assembly 22: Electronics
368
Assembly 23: Electronics-Cabling Interconnections 1
374
Assembly 24: Electronics-Cabling Interconnections 2
374
Assembly 25: Electronics-Cabling Interconnections 3
374
Assembly 26: Electronics-Cabling Interconnections 4
374
Assembly 27: Output Expander
380
Assembly 28: 5-Bin Mailbox
384
Assembly 29: 500-Sheet Drawer Option
388
Assembly 30: Duplex Option
392
Assembly 31: High-Capacity Input Tray (HCIT)
398
Assembly 32: Finisher
400
Assembly 33: Finisher Cables
407
Assembly 34: Envelope Option
408
Assembly 35: Outdoor Media Tray Option
410
Assembly 36: Banner Option
411
Assembly 37: Options
412
Assembly 38: Miscellaneous
414
Appendix A-Service Tips
415
Printhead Diagnostics
415
Identifying the Printheads
418
System Board Cabling Reference
419
Redrive Belt Routing
420
Finisher Alignment
421
Duplex Option Deflector Button Replacement
428
Appendix B-Print Quality Samples
431
Print Menus-Page One of Two
431
Print Menus-Page Two of Two
432
Print Tests
433
Print Quality Pages-Title Page (Total of Five
433
Print Quality Pages-Page 1 (Total of Five
434
Print Quality Pages-Page 2 (Total of Five
435
Print Quality Pages-Page 3 (Total of Five
436
Print Quality Pages-Page 4 (Total of Five
437
Registration and Alignment
438
Quick Test Page
438
Printhead Mechanical Alignment Test Page
439
Printhead Electronic Alignment Test Page-Magenta (One of Two
440
Printhead Electronic Alignment Test Page-Magenta (Two of Two
441
Index
443
Part Number Index
451
Nip Shock
466
Other manuals for Lexmark C760
Technical Reference
402 pages
Reference Guide
33 pages
4
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Lexmark C760 Specifications
General
Brand
Lexmark
Model
C760
Category
Printer
Language
English
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