CONTENTS
Mounting the Developing
Blade ........................................ 2-22
Removing the Blade Unit ... 2-22
Mounting the Blade ............ 2-22
Replacing the Potential Sensor/
Potential Control PCB .............. 2-23
Removing the Potential Sensor/
Potential Control PCB ....... 2-23
Adjusting the Potential
Sensor ................................ 2-25
4. Pickup/Feeding System .................. 2-27
Orientation of the Deck/Cassette
Pickup Roller ........................... 2-27
Orientation of the Deck/Cassette
Separation Roller ..................... 2-28
Orientation of the Feeding
Roller of the Deck/Cassette
Pickup Assembly ...................... 2-28
Orientation of the Pickup Roller
of the Side Paper Deck ............. 2-29
Orientation of the Feeding Roller
of the Side Paper Deck ............. 2-30
Adjusting the Fixing Inlet
Guide Solenoid (SL1) .............. 2-33
Adjusting the Position of the
Pickup Solenoid (SL3, SL4)
of the Cassette 3/4 .................... 2-34
4.10 Adjusting the Position of the Deliv-
ery Flapper Solenoid (SL5) ..... 2-35
4.11 Adjusting the Position of the Right
Deck Pickup Solenoid (SL6) ... 2-35
4.12 Adjusting the Position of the Left
Deck Pickup Solenoid (SL7) ... 2-36
4.13 Adjusting the Position of the
Reversing Flapper Solenoid
(SL8) ........................................ 2-36
4.14 Adjusting the Position of the
Fixing Web Solenoid (SL9) ...... 2-37
4.14.1 New Fixing Web .................. 2-37
4.14.2 Existing Fixing Web ............ 2-37
4.15 Position of the Side Paper
Deck Pickup Roller Releasing
Solenoid ................................... 2-38
4.16 Attaching the Timing Belt of the
Manual Feed Tray Assembly ... 2-38
4.17 Attaching the Drive Belt .......... 2-39
5. Fixing System ................................ 2-40
Points to Note When Mounting
the Fixing Heater ...................... 2-40
Position of the Fixing Inlet
Guide ........................................ 2-40
Adjusting the Lower Roller
Pressure (nip) ........................... 2-41
Taking Measurements ........ 2-41
Standards ........................... 2-41
Making Adjustments .......... 2-41
6. Laser Exposure System .................. 2-42
When Replacing the Scanner
Unit .......................................... 2-42
7. Electrical Parts ................................ 2-43
When Replacing the CCD
Unit .......................................... 2-43
When Replacing the Reader
controller PCB .......................... 2-43
When Replacing the Main
Controller PCB ......................... 2-44
When Replacing the HDD
Unit .......................................... 2-44
When Replacing the DC
Controller PCB ......................... 2-45
When Replacing the
High-Voltage PCB .................... 2-46
8. Checking the Surface Potential
Control System ............................... 2-47
Outline ...................................... 2-47
Disabling the Auto Control
Mechanism ............................... 2-47
Zero Level Check ..................... 2-48
Method 1 ............................ 2-48
Method 2 ............................ 2-50
Checking the Potential
System ...................................... 2-53
Summary of Contents for IR5000 - iR B/W Laser
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