HP P2015 Service Manual - Page 7

Duplex-drive PCA HP LaserJet P2015d, P2015dn, and P2015x printers only, Theory of operation - laserjet memory

Page 7 highlights

Replace the pickup roller (tray 1) ...51 Clean the pickup roller (tray 2) ...55 Replace the pickup roller (tray 2) ...62 5 Theory of operation Introduction ...70 Internal components ...71 Timing ...73 Engine control system ...74 Laser/scanner system ...76 Pickup/feed/delivery system ...77 Image-formation system ...79 6 Removal and replacement Introduction ...84 Removal and replacement strategy 84 Electrostatic discharge ...84 Required tools ...84 Before performing service ...85 Pre-service procedures ...85 Parts removal order ...85 Covers ...86 Left-side cover ...86 Right-side cover ...86 Back cover ...87 Duplexer tray (HP LaserJet P2015d, P2015dn, and P2015x printers only 89 Top cover ...90 Control panel ...95 Formatter ...97 Laser/scanner ...98 Memory-tag-reader assembly ...99 Duplex-drive PCA (HP LaserJet P2015d, P2015dn, and P2015x printers only 101 Fuser ...103 Fan ...103 Duplex-drive gears (HP LaserJet P2015d, P2015dn, and P2015x printers only 104 Duplex solenoid (HP LaserJet P2015d, P2015dn, and P2015x printers only 106 Fuser ...107 Interlock assembly ...118 ECU ...119 Main motor ...126 Pickup and feed assemblies ...128 Transfer roller ...128 Registration assembly ...129 Main gear assembly/tray 2 pickup solenoid 130 Print-cartridge door ...134 7 Problem solving Basic problem solving ...138 Status-light patterns ...140 ENWW v

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Replace the pickup roller (tray 1)
........................................................................................................
51
Clean the pickup roller (tray 2)
............................................................................................................
55
Replace the pickup roller (tray 2)
........................................................................................................
62
5
Theory of operation
Introduction
..........................................................................................................................................
70
Internal components
............................................................................................................................
71
Timing
..................................................................................................................................................
73
Engine control system
.........................................................................................................................
74
Laser/scanner system
.........................................................................................................................
76
Pickup/feed/delivery system
................................................................................................................
77
Image-formation system
......................................................................................................................
79
6
Removal and replacement
Introduction
..........................................................................................................................................
84
Removal and replacement strategy
....................................................................................
84
Electrostatic discharge
........................................................................................................
84
Required tools
.....................................................................................................................
84
Before performing service
...................................................................................................................
85
Pre-service procedures
.......................................................................................................
85
Parts removal order
............................................................................................................
85
Covers
.................................................................................................................................................
86
Left-side cover
....................................................................................................................
86
Right-side cover
..................................................................................................................
86
Back cover
..........................................................................................................................
87
Duplexer tray (HP LaserJet P2015d, P2015dn, and P2015x printers only)
.......................
89
Top cover
............................................................................................................................
90
Control panel
.......................................................................................................................................
95
Formatter
.............................................................................................................................................
97
Laser/scanner
......................................................................................................................................
98
Memory-tag-reader assembly
..............................................................................................................
99
Duplex-drive PCA (HP LaserJet P2015d, P2015dn, and P2015x printers only)
..............................
101
Fuser
..................................................................................................................................................
103
Fan
....................................................................................................................................
103
Duplex-drive gears (HP LaserJet P2015d, P2015dn, and P2015x printers only)
............
104
Duplex solenoid (HP LaserJet P2015d, P2015dn, and P2015x printers only)
.................
106
Fuser
.................................................................................................................................
107
Interlock assembly
.............................................................................................................................
118
ECU
...................................................................................................................................................
119
Main motor
.........................................................................................................................................
126
Pickup and feed assemblies
..............................................................................................................
128
Transfer roller
....................................................................................................................
128
Registration assembly
......................................................................................................
129
Main gear assembly/tray 2 pickup solenoid
......................................................................................
130
Print-cartridge door
............................................................................................................................
134
7
Problem solving
Basic problem solving
........................................................................................................................
138
Status-light patterns
...........................................................................................................................
140
ENWW
v