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Utax CD 1020 - Page 295

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Table of Contents

Installation Precautions4
Specifications 15
Table of Contents7
Specifications11
Parts Names and Their Functions15
- Copier15
- Operation Panel16
Machine Cross Section18
Drive System19
- Drive System 1 (Optical Section)19
- Drive System 2 (Drive Motor Drive Train)20
Drum21
Developer and Toner21
Installation Environment21
Unpacking and Installation23
- Installation Procedure23
Setting Initial Copy Modes35
Copier Management36
- Using the Copier Management Mode (15 Cpm Copier)36
- Setting Department Management Items37
- Copy Default37
- Using the Copier Management Mode (20 Cpm Copier)40
- Setting Department Management Items41
- Copy Default41
- Machine Default42
- Language43
Installing the Key Counter (Option)44
Installing the Original Size Detection Sensor (Option for the Metric Specifications of the 15 Cpm Copier Only)46
Installing the Drawer Heater (Option)47
Maintenance Mode49
- Executing a Maintenance Item49
- Maintenance Mode Item List (for 20 Cpm Copier)50
- Contents of Maintenance Mode Items (for 20 Cpm Copier)53
- Maintenance Mode Item List (for 15 Cpm Copier)101
- Contents of Maintenance Mode Items (for 15 Cpm Copier)104
Paper Misfeed Detection152
- Paper Misfeed Indication152
- Paper Misfeeds 1152
- Paper Misfeed Detection Conditions154
- Paper Misfeeds159
Self-Diagnosis163
- Self-Diagnostic Function163
- Self-Diagnostic Codes163
- Gear164
Image Formation Problems168
- No Image Appears (Entirely White)168
- Background Is Visible168
- Image Is Blurred168
- Paper Creases168
- Offset Occurs168
- Image Is Partly Missing168
- Fixing Is Poor168
- Image Is out of Focus168
- Image Contrast Is Low (Carrier Scattering)168
Electrical Problems176
- The Drive Motor Does Not Operate (C200)176
- The Scanner Motor Does Not Operate176
- The Toner Feed Motor Does Not Operate176
- The Drawer Drive Motor Does Not Operate177
- The Registration Clutch Does Not Operate177
- The Upper Paper Feed Clutch Does Not Operate177
- The Lower Paper Feed Clutch Does Not Operate177
- The Bypass Paper Feed Clutch Does Not Operate177
- The Cleaning Lamp Does Not Turn on177
- The Exposure Lamp Does Not Turn on178
- The Exposure Lamp Does Not Turn off178
- The Fixing Heater Does Not Turn on (C610)178
- Main Charging Is Not Performed (C510)178
- The Original Size Is Not Detected179
- The Original Size Is Not Detected Correctly179
- Others180
Mechanical Problems181
- No Primary Paper Feed181
- No Secondary Paper Feed181
- Skewed Paper Feed181
- The Scanner Does Not Travel181
- Multiple Sheets of Paper Are Fed at One Time181
- Paper Jams181
- Toner Drops on the Paper Conveying Path181
- Abnormal Noise Is Heard181
Precautions for Assembly and Disassembly182
- Precautions182
- Running a Maintenance Item183
Paper Feed Section184
- Detaching and Refitting the Upper and Lower Paper Feed Pulleys184
- Detaching and Refitting the Bypass Paper Feed Pulley187
- Detaching and Refitting the Left Registration Cleaner Assembly189
- Detaching and Refitting the Right Registration Cleaner Assembly189
- Detaching and Refitting the Bypass Paper Width Switch190
- Adjustment after Roller and Clutch Replacement191
Optical Section200
- Detaching and Refitting the Exposure Lamp200
- Detaching and Refitting the Scanner Wires201
- Adjusting the Scanner Leading Edge Registration217
- Adjusting the Scanner Center Line218
- Adjusting the Margins for Scanning an Original on the Contact Glass219
Main Charging Section221
- Detaching and Refitting the Charger Assembly221
- Replacing the Tungsten Wire (Reference)222
Drum Section224
- Detaching and Refitting the Drum224
Developing Section225
- Adjusting the Position of the Doctor Blade (Reference)225
Transfer Section226
- Detaching and Refitting the Transfer Roller Assembly226
Cleaning Section227
- Detaching and Refitting the Cleaning Blade227
- Detaching and Refitting the Drum Separation Claw Assemblies228
- Detaching and Refitting the Cleaning Lower Seal Assembly228
- Detaching and Refitting the Fixing Unit229
- Detaching and Refitting the Fixing Unit Thermistor230
- Detaching and Refitting the Heat Roller Separation Claws230
- Detaching and Refitting the Fixing Heater231
- Detaching and Refitting the Heat Roller232
- Detaching and Refitting the Press Roller234
Replacing the Main PCB235
Upgrading the Firmware on the Main PCB237
Upgrading the Firmware on the Operation Unit PCB (20 Cpm Copier Only)239
Adjustment-Free Variable Resistors (VR)240
Paper Feed Section241
Main Charging Section244
Optical Section246
- Original Scanning247
- Image Printing248
Developing Section250
- Formation of Magnetic Brush251
- Toner Density Detection by the Toner Sensor252
- Toner Density Control252
- Correcting the Toner Sensor Control Voltage253
- Correcting Toner Output Voltage254
Transfer and Separation Section255
Cleaning Section257
Charge Erasing Section258
Fixing Section259
Electrical Parts Layout261
- Pcbs261
- Switches and Sensors262
- Motors264
- Other Electrical Components265
Power Source PCB266
Main PCB269
CCD Pcb279
Laser Diode PCB280
Timing Chart No. 5285
Timing Chart No. 7287
Timing Chart No. 9289
Maintenance Parts List291
Periodic Maintenance Procedures292

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