HP LaserJet P1500 Service Manual - Page 6

Step 7: Drum cleaning, Step 1: Primary charging

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Pickup/feed/delivery system ...30 Image-formation system ...31 Step 1: Primary charging 31 Step 2: Laser beam exposure 32 Step 3: Developing ...32 Step 4: Transfer ...33 Step 5: Separation ...33 Step 6: Fusing ...34 Step 7: Drum cleaning ...34 4 Removal and replacement Introduction ...36 Removal and replacement strategy 36 Electrostatic discharge ...36 Required tools ...36 Before performing service ...37 Pre-service procedures ...37 Parts removal order ...37 Covers ...38 Left cover ...38 Right cover ...40 Front cover ...42 Control panel ...42 Top cover and back cover 43 Formatter ...48 ECU ...50 Fuser ...55 Laser/scanner ...59 Drive Belt ...63 Main motor ...68 5 Problem solving Problem-solving checklist ...76 Step 1: Is the device set up correctly 76 Step 2: Is the Ready light on 76 Step 3: Can you print a configuration page 76 Step 4: Is the print quality acceptable 77 Step 5: Is the device communicating with the computer 77 Step 6: Does the printed page look like you expected 77 Contact HP support ...77 Status-light patterns ...78 Clearing jams ...81 Typical media jam locations 81 Removing a jammed page 81 Improve print quality ...84 Light print or faded ...84 Toner specks ...84 Dropouts ...84 Vertical lines ...85 Gray background ...85 iv ENWW

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Pickup/feed/delivery system
...............................................................................................................
30
Image-formation system
.....................................................................................................................
31
Step 1: Primary charging
...................................................................................................
31
Step 2: Laser beam exposure
............................................................................................
32
Step 3: Developing
............................................................................................................
32
Step 4: Transfer
.................................................................................................................
33
Step 5: Separation
.............................................................................................................
33
Step 6: Fusing
....................................................................................................................
34
Step 7: Drum cleaning
.......................................................................................................
34
4
Removal and replacement
Introduction
.........................................................................................................................................
36
Removal and replacement strategy
...................................................................................
36
Electrostatic discharge
.......................................................................................................
36
Required tools
....................................................................................................................
36
Before performing service
..................................................................................................................
37
Pre-service procedures
......................................................................................................
37
Parts removal order
...........................................................................................................
37
Covers
................................................................................................................................................
38
Left cover
...........................................................................................................................
38
Right cover
.........................................................................................................................
40
Front cover
.........................................................................................................................
42
Control panel
.....................................................................................................................
42
Top cover and back cover
.................................................................................................
43
Formatter
............................................................................................................................................
48
ECU
....................................................................................................................................................
50
Fuser
..................................................................................................................................................
55
Laser/scanner
.....................................................................................................................................
59
Drive Belt
............................................................................................................................................
63
Main motor
.........................................................................................................................................
68
5
Problem solving
Problem-solving checklist
...................................................................................................................
76
Step 1: Is the device set up correctly?
...............................................................................
76
Step 2: Is the Ready light on?
............................................................................................
76
Step 3: Can you print a configuration page?
.....................................................................
76
Step 4: Is the print quality acceptable?
..............................................................................
77
Step 5: Is the device communicating with the computer?
..................................................
77
Step 6: Does the printed page look like you expected?
.....................................................
77
Contact HP support
...........................................................................................................
77
Status-light patterns
...........................................................................................................................
78
Clearing jams
.....................................................................................................................................
81
Typical media jam locations
...............................................................................................
81
Removing a jammed page
.................................................................................................
81
Improve print quality
...........................................................................................................................
84
Light print or faded
.............................................................................................................
84
Toner specks
.....................................................................................................................
84
Dropouts
............................................................................................................................
84
Vertical lines
......................................................................................................................
85
Gray background
...............................................................................................................
85
iv
ENWW