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HP LaserJet P1500 Service Manual - Page 57

Remove back cover.

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5. Separate the top cover from the back cover by pressing the notches on the top cover (callout 2) inward and lifting up. Figure 4-9 Remove top cover and back cover (2 of 4) 6. Remove back cover. ENWW Covers 45

Section	Page
Product information	13
Product configuration	14
Product features	15
Identify product parts	16
Managing and maintenance	17
Replace the print cartridge	18
Printer information pages	20
Demo page	20
Configuration page	20
Supplies Status page	20
Embedded Web server (HP LaserJet P1500 network models only)	21
Open the embedded Web server	21
Information tab	21
Settings tab	22
Networking tab	22
Links	22
Manage supplies	23
Supplies life	23
Check and order supplies	23
Supplies storage guidelines	23
Replace and recycle supplies	23
HP policy on non-HP supplies	24
Reset the device for non-HP supplies	24
HP anti-counterfeit supplies Web site	24
Clean the device	25
Clean the print-cartridge area	25
Clean the device paper path	27
Change the pickup roller	28
Clean the pickup roller	31
Change the printer separation pad	32
EconoMode	34
Theory of operation	35
Introduction	36
Internal components	37
Timing	38
Engine control system	39
Laser/scanner system	41
Pickup/feed/delivery system	42
Image-formation system	43
Step 1: Primary charging	43
Step 2: Laser beam exposure	44
Step 3: Developing	44
Step 4: Transfer	45
Step 5: Separation	45
Step 6: Fusing	46
Step 7: Drum cleaning	46
Removal and replacement	47
Introduction	48
Removal and replacement strategy	48
Electrostatic discharge	48
Required tools	48
Before performing service	49
Pre-service procedures	49
Parts removal order	49
Covers	50
Left cover	50
Right cover	52
Front cover	54
Control panel	54
Top cover and back cover	55
Formatter	60
ECU	62
Fuser	67
Laser/scanner	71
Drive Belt	75
Main motor	80
Problem solving	87
Problem-solving checklist	88
Step 1: Is the device set up correctly?	88
Step 2: Is the Ready light on?	88
Step 3: Can you print a configuration page?	88
Step 4: Is the print quality acceptable?	89
Step 5: Is the device communicating with the computer?	89
Step 6: Does the printed page look like you expected?	89
Contact HP support	89
Status-light patterns	90
Clearing jams	93
Typical media jam locations	93
Removing a jammed page	93
Improve print quality	96
Light print or faded	96
Toner specks	96
Dropouts	96
Vertical lines	97
Gray background	97
Toner smear	97
Loose toner	98
Vertical repetitive defects	98
Misformed characters	98
Page skew	98
Curl or wave	99
Wrinkles or creases	99
Toner-scatter outline	99
Media problem-solving	100
Printed page is different from what appeared on screen	101
Garbled, incorrect, or incomplete text	101
Missing graphics or text, or blank pages	101
Page format is different than on another HP LaserJet printer	101
Graphics quality	102
Printer software problems	103
Common Macintosh problems	104
Network-setup problem-solving	106
Parts and diagrams	107
Assembly locations	108
Covers	110
Internal assemblies	112
Alphabetical parts list	118
Numerical parts list	121
Service and support	125
Hewlett-Packard limited warranty statement	126
Customer self repair warranty service	127
Hewlett-Packard software license agreement	128
Limited warranty for print cartridges and image drums	129
HP Customer Care	130
Device specifications	133
Regulatory information	135
FCC compliance	136
Declaration of Conformity statements for HP LaserJet P1500 Series	137
Regulatory statements	138
Laser safety statement	138
Canadian DOC regulations	138
Korean EMI statement	138
Laser statement for Finland	139
Substances Table (China)	140
Environmental product stewardship program	141
Protecting the environment	141
Ozone production	141
Power consumption	141
Toner consumption	141
Paper use	141
Plastics	141
HP LaserJet print supplies	141
Return and recycling instructions	142
United States and Puerto Rico	142
Multiple returns (two to eight cartridges)	142
Single returns	142
Shipping	142
Non-US returns	142
Paper	142
Material restrictions	142
Disposal of waste equipment by users in private households in the European Union	143
Material Safety Data Sheet (MSDS)	143
For more information	143