KONICA MINOLTA qms pagepro 12xx.pdf

PagePro 1200 Series Service Manual

P/N 1750056-001

PagePro 1200 Series Table of Contents

Contents

1. Safety Precautions for Inspection and Service ............................................................5

1-1. Warning ..............................................................................................................5

1-2. Caution ...............................................................................................................7

1-3. Used Batteries Precautions .................................................................................9

1-4. Other Precautions ............................................................................................. 10

1-5. Precautions for Service .................................................................................... 10

1-6. Safety information ............................................................................................ 12

1-7. Laser Safety Label ........................................................................................... 15

1-8. Laser Caution Label ......................................................................................... 15

1-9. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ................. 16

2. Installation .................................................................................................................17

2-1. Installation Environment .................................................................................. 17

2-2. Usage Environment .......................................................................................... 17

2-3. Installing the Power Supply ............................................................................. 17

2-4. Installation Space ............................................................................................. 18

3. General Information .................................................................................................. 21

3-1. Specifications ................................................................................................... 21

3-2. Parts Identification ........................................................................................... 25

3-3. Components Layout ......................................................................................... 28

3-4. Drive Section .................................................................................................... 29

3-5. Electrical Components Layout ......................................................................... 30

3-6. Electrical Parts Function .................................................................................. 33

3-7. Explanation of Control Panel ........................................................................... 35

3-8. Electrical Service Parts on P.W.Boards ........................................................... 40

3-9. Timing Chart .................................................................................................... 44

4. Mechanical/Electrical ................................................................................................ 45

4-1. Paper Path ........................................................................................................ 45

4-2. Paper Take-up Section ..................................................................................... 46

4-3. Drum Charge .................................................................................................... 49

4-4. Laser Exposure ................................................................................................. 50

4-5. Development .................................................................................................... 52

4-6. Image Transfer ................................................................................................. 54

4-7. Fusing ............................................................................................................... 54

4-8. Paper Exit ......................................................................................................... 58

5. Precautions for Maintenance/Disassembly ............................................................... 59

5-1. Precautions for Disassembly ............................................................................ 59

5-2. Maintenance Schedule List .............................................................................. 61

5-3. Required Service Tools .................................................................................... 61

5-4. Screws .............................................................................................................. 61

5-5. Disassembly Procedures .................................................................................. 63

6. Adjustment ................................................................................................................ 87

6-1. Adjustment of Image Registration ................................................................... 87

7. Troubleshooting ........................................................................................................ 89

7-1. Paper Misfeed Detection .................................................................................. 89

7-2. PagePro 1250E Malfunction Detection ............................................................ 91

7-3. PagePro 1200W Malfunction Detection .......................................................... 92

iii

PagePro 1200 Series Table of Contents

7-4. Troubleshooting for Paper Misfeeds ................................................................ 93

7-5. Troubleshooting For Malfunctions .................................................................. 95

7-6. Image Quality Troubleshooting ....................................................................... 98

8. Wiring Diagrams .....................................................................................................103

8-1. PagePro 1250E Wiring Diagram ....................................................................103

8-2. PagePro 1200W Wiring Diagram ..................................................................104

PagePro 1200 Series Safety

1. SAFETY PRECAUTIONS FOR INSPECTION AND

SERVICE

• When performing inspection and service procedures, observe the following precautions to prevent

accidents and ensure utmost safety.

• Depending on the model, some of the precautions given in the following do not apply.

• Different markings are used to denote specific meanings as detailed below.

WA R N I N G

• Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate

injury. It may also be used to alert against unsafe practices.

CAUTION

• The following graphic symbols are used to give instructions that need to be observed.

Used to call the service technician attention to what is graphically represented inside the

marking (including a warning).

Used to prohibit the service technician from doing what is graphically represented inside

the marking.

Used to instruct the service technician to do what is graphically represented inside the

marking.

1-1.

Warning

WA R N I N G

1. Always observe precautions.

• Parts requiring special attention in this product will include a label containing the mark

shown on the left plus precautionary notes. Be sure to observe the precautions.

• Be sure to observe the “Safety Information” given in the Operator’s Manual.

2. Before starting the procedures, be sure to unplug the power cord.

• This product contains a high-voltage unit and a circuit with a large current capacity

that may cause an electric shock or burn.

• The product also contains parts that can jerk suddenly and cause injury.

• If this product uses a laser, laser beam leakage may cause eye damage or blindness.

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