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Lexmark
Printer
MS312
Service Manual
Page 83 (Jam, Pull Tray 1. Push down Blue Flap. [23 Y.XX])
Lexmark MS312 - Jam, Pull Tray 1. Push down Blue Flap. [23 Y.XX]
343 pages
Manual
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4
Close the rear and front doors.
5
From the printer control panel, press
to clear the message
and continue printing.
Jam, pull tray 1. Push down blue
flap.
[23y
.xx]
1
Pull out the tray completely
.
4514-330
Diagnostics and troubleshooting
83
82
84
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
Product Information
2
Edition Notice
2
Table of Contents
3
Notices, Conventions, and Safety Information
13
Laser Notice
13
Conventions
16
Safety Information
16
Informazioni Sulla Sicurezza
18
General Caution Statements
22
Change History
23
General Information
27
Media Guidelines
27
Paper Guidelines
27
Using Specialty Media
31
Supported Paper Sizes, Types, and Weights
33
Supported Paper Types and Weights
34
Data Security Notice
35
Tools Required for Service
35
Diagnostics and Troubleshooting
37
Troubleshooting Overview
37
Performing the Initial Troubleshooting Check
37
Power-On Reset (POR) Sequence
37
Fixing Print Quality Issues
38
Initial Print Quality Check
38
Gray Background or Toner Fog Check
39
Blank Pages Check
41
Solid Black Pages Check
47
Print Is too Dark Check
50
Print Is too Light Check
52
Paper Curl Check
54
Folded or Wrinkled Paper Check
56
Repeating Defects Check
57
Skewed Print Check
58
Streaked Vertical Lines Appear on Prints Check
60
Horizontal Light Bands Check
61
Vertical Light Bands Check
62
Vertical Dark Bands Check
63
Vertical Dark Streaks with Print Missing Check
64
White Streaks and Voided Areas Check
67
Fine Lines Are Not Printed Correctly (Specifically Chinese Characters) Check
69
Clipped Pages or Images Check
70
Compressed Images Appear on Prints Check
72
Incorrect Margins on Prints Check
73
Toner Rubs off Check
74
Toner Specks Appear on Prints Check
75
Paper Jams
77
Avoiding Jams
77
Understanding Jam Messages and Locations
78
Jam, Front Door [20Y.XX]
79
Jam, Standard bin [20Y.XX]
81
Jam, Rear Door [20Y.XX]
82
Jam, Pull Tray 1. Push down Blue Flap. [23Y.XX]
83
[X]-Page Jam, Open Tray 1. [241.XX]
84
[X]-Page Jam, Open Tray [2]. [242.XX]
85
Jam, MP Feeder [250.XX]
86
200 Paper Jams
87
201 Paper Jams
92
Main Drive Motor Control Jam Service Check
92
202 Paper Jams
93
23Y Paper Jams
95
241 Paper Jams
96
242 Paper Jams
99
25Y Paper Jams
101
Mpf Service Check
102
Understanding the Printer Messages
103
Bin Full. Remove Paper
103
Cannot Collate Large Document [37]
103
Cannot Defrag Flash Memory [37]
103
Cartridge, Imaging Unit Mismatch [41.Xy]
103
Cartridge Low [88.Xy]
103
Cartridge Nearly Low [88.Xy]
104
Cartridge very Low, [X] Estimated Pages Remain [88.Xy]
104
Change [Paper Source] to [Custom String]. Load [Orientation]
104
Change [Paper Source] to [Custom Type Name]. Load [Orientation]
104
Change [Paper Source] to [Paper Size]. Load [Orientation]
104
Change [Paper Source] to [Paper Type] [Paper Size]. Load [Orientation]
105
Close Front Door
105
Complex Page May Misprint [39]
105
Credentials Invalid. Print Job Canceled
105
Defective Flash Memory [51]
105
Flash Memory Full [52]
106
Flash Memory Unformatted [53]
106
Imaging Unit Low [84.Xy]
106
Imaging Unit Nearly Low [84.Xy]
106
Imaging Unit very Low, [X] Estimated Pages Remain [84.Xy]
106
Insert Tray [X]
106
Load [Paper Source] with [Custom String] [Orientation]
107
Load [Paper Source] with [Custom Type Name] [Orientation]
107
Load [Paper Source] with [Paper Size] [Orientation]
107
Load [Paper Source] with [Paper Type] [Paper Size] [Orientation]
107
Load MP Feeder with [Custom Type Name] [Orientation]
108
Load MP Feeder with [Custom String] [Orientation]
108
Load MP Feeder with [Paper Size] [Orientation]
108
Load MP Feeder with [Paper Type] [Paper Size] [Orientation]
108
Memory Full [38]
108
Memory Low, no Resource Save [35]
109
Non-Lexmark [Supply Type], See User's Guide [33.Xy]
109
Network Error, Port [X] [54]
109
Network Error, Standard Port [54]
110
Paper too Short [34]
110
Parallel Port Disabled [56]
110
Print Quota Exceeded. Print Job Canceled
110
Print Quota Exceeded. Print Job Incomplete
110
Printer Restart. Check Last Job
110
Rear USB Port Disabled [56]
111
Reinstall Missing or Unresponsive Cartridge [31.Xy]
111
Reinstall Missing or Unresponsive Imaging Unit [31.Xy]
111
Replace Cartridge, 0 Estimated Pages Remain [88.Xy]
111
Replace Cartridge, Printer Region Mismatch [42.Xy]
111
Replace Imaging Unit, 0 Estimated Pages Remain [84.Xy]
112
Replace Unsupported Cartridge [32.Xy]
112
Replace Unsupported Imaging Unit [32.Xy]
112
Too Many Trays. Remove Some. [58]
112
User Attendance Messages (0-99.99)
113
Unresponsive Toner Cartridge Service Check
115
Unsupported Toner Cartridge Service Check
116
Printer/Cartridge Mismatch Service Check
116
Unsupported Imaging Unit Service Check
117
Imaging Unit Smart Chip Contact Service Check
117
Toner Smart Chip Compatibility Service Check
118
Imaging Chip Compatibility Service Check
118
Media Size Mismatch Service Check
119
Supplies Mismatch Service Check
120
Insufficient Memory Service Check
120
Flash Full Service Check
121
Imaging Unit Low Service Check
121
Toner Cartridge Low Service Check
122
Printer Hardware Errors
122
111 Errors
122
121 Errors
126
Fuser Service Check
127
126 Errors
128
Lvps Service Check
128
132 Errors
129
Errors
130
140 Errors
131
155 Errors
132
Cartridge Gearbox Service Check
132
Procedure before Starting the 9Yy Service Checks
133
900 Errors
135
Errors
140
94Y Errors
140
Errors
141
Nvram Mismatch Failure Service Check
141
Errors
143
96Y Errors
144
97Y Errors
145
98Y Errors
146
99Y Errors
147
Input Option Hardware Errors
148
3Yy Error Messages
148
Option Tray Pick/Lift Motor Service Check
150
Option Tray Separator/Pass through Motor Service Check
150
Option Tray ACM Motor Service Check
151
Option Tray Controller Card Service Check
151
Other Symptoms
152
Base Printer Symptoms
152
Cooling Fan Service Check
152
Dead Machine Service Check
153
Controller Board Service Check
153
Control Panel Button Service Check
154
Control Panel Service Check
155
Toner Starvation Service Check
155
USB Print Service Check
157
Network Service Check
157
Service Menus
161
Understanding the Printer Control Panel
161
Using the Printer Control Panel
161
Understanding the Colors of the Indicator and Sleep Button Lights
162
Menus List
163
Diagnostics Menu
163
Entering the Diagnostics Menu
163
Registration
163
Print Tests
164
Print Quality Pages
164
Hardware Tests
165
Duplex Tests
166
Input Tray Tests
168
Output bin Tests
169
Base Sensor Test
170
Device Tests
170
Printer Setup
171
EP Setup
172
Reports
174
Event Log
174
Exit Diags
175
Configuration Menu
175
Entering the Configuration Menu
175
Factory Defaults
176
Reports
176
Tray Linking
177
Panel Menus
177
PPDS Emulation
177
Print Quality Pages
177
A5 Loading
177
Reduced Curl
177
Safe Mode
178
Demo Mode
178
Energy Conserve
178
Wipe All Settings
178
Font Density
178
Font Sharpening
179
USB Speed
179
USB Pnp
179
Exit Config Menu
179
Entering Invalid Engine Mode
179
Entering Recovery Mode
179
Accessing the Network SE Menu
180
Service Engineer Menu
180
Accessing the Service Engineer (SE) Menu
180
Service Engineer (SE) Menu
180
Parts Removal
183
Removal Precautions
183
Data Security Notice
183
Handling ESD-Sensitive Parts
184
Controller Board/Control Panel Replacement
184
Restoring the Printer Configuration after Replacing the Controller Board
185
Restoring Solutions, Licenses, and Configuration Settings
188
Updating the Printer Firmware
189
Ribbon Cable Connectors
190
Zero Insertion Force (ZIF) Connectors
190
Horizontal Top Contact Connector
191
Horizontal Bottom Contact Connector
194
Vertical Mount Contact Connector
197
Horizontal Sliding Contact Connector
200
Low Insertion Force (LIF) Connector
203
Printhead Assembly Adjustments
204
Removal Procedures
207
Left Side Removals
207
Left Cover Removal
207
Main Drive Gearbox Removal
208
MPF Solenoid Removal
210
MPF Gearbox Removal
213
Reverse Solenoid Removal
216
ACM Clutch Removal
217
Cartridge Gearbox Removal
219
Duplex Gear Assembly Removal
220
Right Side Removals
222
Right Cover Removal
222
Cooling Fan Duct Removal
222
Cooling Fan Removal
222
Controller Board Removal
223
Toner Cartridge Smart Chip Contact Removal
225
Front Removals
227
Left Front Mount Removal
227
Right Front Mount Removal
229
Transfer Roll Removal
231
Cartridge Plunger Removal
232
Bezel Removal
235
Nameplate Removal
236
Control Panel Assembly Removal
236
UICC Removal
238
MPF Assembly Removal
239
MPF Pick Roller Cover Removal
242
MPF Pick Roller Removal
242
Bail Removal
243
Jam Access Cover Removal
243
Front Door Removal
244
Front Access Cover Removal
247
Front Door Sensor Removal
247
Front Input Guide Removal
248
Separator Pad Removal
250
Bottom Removals
252
Power Supply Removal
252
Power Supply Shield Removal
253
Duplex Removal
254
Duplex Sensor and Input Sensor Removal
255
Toner Density Sensor Removal
257
Trailing Edge Sensor Removal
260
ACM Assembly Removal
265
Rear Side Removals
270
Dust Cover Removal
270
Rear Door and Cover Removal
270
Narrow Media/Bin Full Sensor Removal
271
Redrive Assembly Removal
273
Redrive Shaft Removal
274
Fuser Removal
276
Top Side Removals
277
Top Cover Removal
277
Laser Scanning Unit (LSU) Removal
278
250/550-Sheet Option Tray Removals
280
Pick Roller Removal
280
Separator Roll Assembly Removal
281
ACM Assembly Removal
283
Component Locations
287
Exterior Locations
287
Front View
287
Rear View
288
Maintenance
289
Inspection Guide
289
Lubrication Specification
289
Cleaning the Printer
290
Cleaning the Printhead Lenses
290
Parts Catalog
292
Legend
292
Assembly 1: Covers
293
Assembly 2: Electronics 1
295
Assembly 3: Electronics 2
297
Assembly 4: Frame
300
Assembly 5: Option Trays
303
Assembly 6: Power Cords
305
Assembly 7: Miscellaneous
307
Printer Specifications
309
Product Power Consumption
309
Electrical Specifications
309
Operating Clearances
310
Acoustics
310
Operating Environment
311
Enabling the Security Reset Jumper
311
Options and Features
313
Available Internal Options
313
Media Handling Options
313
Theory of Operation
315
POR Sequence
315
Printer Control
315
Paper Path Information
315
Input Tray
315
Multipurpose Feeder (MPF)
315
Simplex Printing
316
Duplex Printing
317
Media Handling Components
318
Main Drive Gearbox
318
Autocompensator Mechanism (ACM)
318
Key Components
319
Sensors
319
Other Key Components
320
Electrophotographic Process (EP Process)
321
Acronyms
327
Index
329
Part Number Index
335
Part Name Index
339
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