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All in One Printer
cd 1120
Utax cd 1120 User Manual
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2DA/2DB
2-1-4
2-1-2 Optical section
The optical section consists of the scanner, mirror frames and the image scanning unit for scanning and the laser
scanner unit for printing.
1
Mirror 1 frame
2
Mirror 2 frame
3
Exposure lamp (EL)
4
Mirror 1
5
Mirror 2
6
Mirror 3
7
Image scanning unit (ISU)
8
CCD PCB (CCDPCB)
9
Laser scanner unit (LSU)
0
Scanner home position switch
(SHPSW)
!
Original detection switch (ODSW)
@
Original size detection sensor (OSDS)
Figure 2-1-3 Optical section
224
226
Table of Contents
Service Manual
1
Safety Precautions
5
Installation Precautions
7
Table of Contents
10
Specifications
14
Parts Names and Their Functions
16
Mfp
16
Operation Panel
17
Machine Cross Section
18
Drive System
19
Drum
20
Toner
20
Installation Environment
21
Unpacking and Installation
22
Installation Procedure
22
Setting Initial Copy Modes
27
Installing the Paper Feeder (Option)
28
Installing the DP (Option)
32
Installing the Duplex Unit (Option)
36
Installing the Drawer Heater (Option)
39
Installing the Key Counter (Option)
42
Installing the Finisher (Option)
45
Installing the Job Separator (Option)
53
Installing the Fax System (Option)
58
Installing the Scan System (Option)
66
Installing the Hard Disk (Option)
68
Maintenance Mode
69
Executing a Maintenance Item
69
Maintenance Modes Item List
70
Contents of Maintenance Mode Items
73
Management Mode
122
Using the Management Mode
122
Setting the Job Accounting
123
Copy Default
124
Machine Default
126
Bypass Setting
128
Checking the Total Counter and Printing out the Counter Report
128
Status Report Print out
128
Language Selection Function
128
Paper Misfeed Detection
129
Paper Misfeed Indication
129
Paper Misfeed Detection Conditions
130
Paper Misfeeds
135
Self-Diagnosis
145
Self-Diagnostic Function
145
Self-Diagnostic Codes
146
Image Formation Problems
154
No Image Appears (Entirely White)
154
No Image Appears (Entirely Black)
154
Image Is too Light
156
Background Is Visible
156
A White Line Appears Longitudinally
156
A Black Line Appears Longitudinally
157
A Black Line Appears Laterally
157
One Side of the Copy Image Is Darker than the Other
157
Black Dots Appear on the Image
158
Image Is Blurred
158
The Leading Edge of the Image Is Consistently Misaligned with the Original
158
The Leading Edge of the Image Is Sporadically Misaligned with the Original
159
Paper Creases
159
Offset Occurs
159
Image Is Partly Missing
160
Fixing Is Poor
160
Image Is out of Focus
160
Image Center Does Not Align with the Original Center
161
Electrical Problems
162
The Machine Does Not Operate When the Power Switch Is Turned on
162
The Drive Motor Does Not Operate (C2000)
162
The Registration Motor Does Not Operate
162
The Exit Motor Does Not Operate
162
The Scanner Motor Does Not Operate
163
Cooling Fan Motor 1 Does Not Operate
163
Cooling Fan Motor 2 Does Not Operate
163
Cooling Fan Motor 3 Does Not Operate
163
The Exposure Lamp Does Not Turn off
164
The Fixing Heater Does Not Turn on (C6000)
164
The Fixing Heater Does Not Turn off
164
Main Charging Is Not Performed
164
A Paper Jam in the Paper Feed, Paper Conveying or Fixing Section Is Indicated When the Power Switch Is Turned on
166
The Message Requesting Covers to be Closed Is Displayed When the Front Cover and Left Cover Are Closed
166
Others
166
Mechanical Problems
167
No Primary Paper Feed
167
No Secondary Paper Feed
167
Skewed Paper Feed
167
The Scanner Does Not Travel
167
Multiple Sheets of Paper Are Fed at One Time
167
Paper Jams
167
Toner Drops on the Paper Conveying Path
168
Abnormal Noise Is Heard
168
Precautions for Assembly and Disassembly
169
Precautions
169
Running a Maintenance Item
170
Paper Feed Section
171
Detaching and Refitting the Separation Pulley
171
Detaching and Refitting the Forwarding Pulley and Paper Feed Pulley
173
Detaching and Refitting the Feed Roller (20 Ppm Model Only)
175
Detaching and Refitting the Drawer Separation Pulley (20 Ppm Model Only)
176
Detaching and Refitting the Drawer Forwarding Pulley and Drawer Paper Feed Pulley (20 Ppm Model Only)
177
Detaching and Refitting the Paper Conveying Unit
179
Detaching and Refitting the Bypass Paper Feed Pulley and Bypass Separation Pad
181
Detaching and Refitting the Registration Left Roller
183
Detaching and Refitting the Registration Cleaner
183
Adjustment after Roller and Clutch Replacement
184
Adjusting the Leading Edge Registration of Image Printing
184
Adjusting the Leading Edge Registration for Memory Image Printing
185
Adjusting the Center Line of Image Printing
186
Adjusting the Trailing Edge Margin of Image Printing
187
Adjusting the Margins for Printing
188
Adjusting the Amount of Slack in the Paper
189
Optical Section
190
Detaching and Refitting the Exposure Lamp
190
Detaching and Refitting the Scanner Wires
191
Detaching the Scanner Wires
191
Fitting the Scanner Wires
193
Detaching and Refitting the ISU (Reference)
196
Detaching and Refitting the Laser Scanner Unit
197
Adjusting the Longitudinal Squareness (Reference)
200
Adjusting Magnification of the Scanner in the Main Scanning Direction
201
Adjusting Magnification of the Scanner in the Auxiliary Scanning Direction
202
Adjusting the Scanner Leading Edge Registration
203
Adjusting the Scanner Center Line
204
Adjusting the Margins for Scanning an Original on the Contact Glass
205
Drum Section
206
Detaching and Refitting the Drum Unit
206
Detaching and Refitting the Drum Separation Claws
207
Detaching and Refitting the Main Charger Unit
208
Developing Section
209
Detaching and Refitting the Developing Unit
209
Transfer Section
210
Detaching and Refitting the Transfer Roller
210
Fixing Section
211
Detaching and Refitting the Fixing Unit
211
Detaching and Refitting the Press Roller
213
Detaching and Refitting the Fixing Heater M and S
214
Detaching and Refitting the Heat Roller Separation Claws
215
Detaching and Refitting the Heat Roller
216
Detaching and Refitting the Fixing Thermostat
217
Detaching and Refitting the Fixing Thermistor
217
Adjusting the Fixing Unit Height (Adjusting Lateral Squareness)
218
Upgrading the Firmware on the Main PCB
219
Upgrading the Printer Board Firmware
220
Adjustment-Free Variable Resisters (VR)
221
Paper Feed Section
222
Optical Section
225
Original Scanning
226
Image Printing
227
Drum Section
229
Developing Section
231
Formation of Magnetic Brush
232
Single Component Developing System
233
Transfer and Separation Sections
234
Fixing Section
236
Fixing Temperature System
237
Fixing Temperature Control Based on Ambient Temperature
237
Exit and Switchback Sections
238
Duplex Section
239
Paper Conveying Operation in Duplex Copying
240
Electrical Parts Layout
241
Pcbs
241
Switches and Sensors
242
Motors
244
Other Electrical Components
245
Power Source PCB
246
Main PCB
249
Engine PCB
253
Printer Board PCB
259
Operation Unit PCB
263
CCD Pcb
266
Maintenance Parts List
275
Periodic Maintenance Procedures
276
General Wiring Diagram
278
Other manuals for Utax cd 1120
Instruction Handbook
161 pages
4
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Utax cd 1120 Specifications
General
Brand
Utax
Model
cd 1120
Category
All in One Printer
Language
English
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