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HP Color LaserJet 1500 Service Manual - Page 149

Print-cartridge carousel, Remove two screws callout 1 from the back of the printer.

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Print-cartridge carousel 1 Remove the following covers and assemblies: • right- and left-side covers (see page 101) • interface cover (see page 106) • formatter cage (see page 107) • back cover (see page 122) • top cover (see page 123) • air duct (see page 128) • rotary-drive assembly (see page 141) • top plate (see page 144) 2 Remove two screws (callout 1) from the back of the printer. 12 Figure 92. Removing the print-cartridge carousel (1 of 3) Reinstall note Because the remainder of the print-cartridge carousel removal procedures are performed from the left, right, and front of the printer, it is easy to forget to replace the two screws at the back of the printer. ENWW 5 Removal and replacement 147

Section	Page
Contents	5
Figures	11
Tables	15
Product Information	17
Chapter contents	17
Introduction	18
HPcolorLaserJet1500seriesprinter features and configurations	18
HPcolorLaserJet2500seriesprinter features and configurations	19
Product specifications	20
Media specifications	24
Model and serial numbers	25
Printer overview	26
HPcolorLaserJet1500seriesprinter	26
HPcolorLaserJet2500seriesprinter	27
Warranty statements	28
HPcolorLaserJet1500seriesprinter	28
HPcolorLaserJet2500seriesprinter	29
Limited warranty for the print cartridges and imaging drum	30
Regulatory statements	31
HPcolorLaserJet1500seriesprinter declaration of conformity	31
HPcolorLaserJet2500seriesprinter declaration of conformity	32
Laser safety statement	33
Canadian DOC statement	33
VCCI statement (Japan)	33
Korean EMI statement	33
Finnish laser statement	34
Installation and operation	35
Chapter contents	35
Operating environment	36
Interface ports	37
HPcolorLaserJet1500seriesprinter	37
HPcolorLaserJet2500seriesprinter	38
Control panel features	39
Understanding supplies status	40
Understanding printer status	41
Selecting media	42
Input trays	42
Supported print media	44
Printer output paths	45
Top output bin	45
Rear output door	45
Loading media	46
Loading tray1	46
Loading optional tray2	47
Loading optional tray3	48
Using the embedded Web server	49
Information tab	50
Settings tab	50
Networking tab	50
Other links	51
Using Printer Status and Alerts	52
HPcolorLaserJet1500 series printers	52
HPcolorLaserJet2500 series printers	53
Maintenance	55
Chapter contents	55
Life expectancies of supplies	56
User-replaceable parts	57
Replacing the pickup roller and separation pad	57
Replacing the separation pad in optional tray 2 or in optional tray 3	61
Cleaning the printer	63
Cleaning the engine	63
Calibrating the printer	64
Managing supplies	65
Supplies life	65
Checking and ordering supplies	65
Storing supplies	66
Replacing and recycling supplies	67
HP policy for non-HP supplies	67
HP fraud hotline	68
Theory of operation	69
Chapter contents	69
Introduction	70
Engine control system	71
Basic sequence of operation	72
Power-on sequence	73
Motors and fans	74
Laser/scanner system	75
Pickup and feed system	76
Paper trays	78
Jam detection	79
Photosensors and switches	80
Solenoid and clutches	81
Printed circuit assemblies	82
Image-formation system	83
Image-formation process	84
Latent-image-formation stage	85
Developing stage	86
Transfer stage	87
Fusing stage	89
Print cartridge	93
Imaging-drum E-label	94
Removal and replacement	95
Chapter contents	95
Introduction	97
Removal and replacement strategy	97
Electrostatic discharge	97
User-replaceable parts	97
Required tools	97
Before performing service	98
Pre-service procedures	98
Parts removal order	99
Removal and replacement	100
Imaging drum	100
Print cartridges	101
Jetdirect card	101
Fuser cover (and fuser)	102
Right- and left-side covers	103
Control panel	105
On-off switch	107
Interface cover	108
Formatter assemblies—HPcolorLaserJet1500seriesprinters	109
Formatter assemblies—HPcolorLaserJet 2500 series printers	113
Fuser motor (J702)	117
Dc controller	118
Optional tray2 (250-sheet tray)	120
Carousel motor (J704)	122
Front lower cover	123
Back cover	124
Top cover	125
Top door	128
Air duct and fan	130
Laser/scanner assembly	131
Front cover	133
Density sensor and top-of-page sensor	134
E-label reader (for imaging-drum E-labels)	135
Tray 1 (multipurpose tray)	137
Tray 1 separation pad assembly	139
Gear assembly	140
Waste-toner sensor	142
Rotary-drive assembly	143
Top plate	146
Print-cartridge carousel	149
Registration-roller assembly	154
Toner-catch tray	155
Transfer-roller plate	156
Transfer roller	157
Feed-drive shaft	158
ECU pan	159
Sub-high-voltage transformer PCA	162
High-voltage transformer PCA	163
Low-voltage PCA	164
Paper-top sensor	166
Fuser-wrap sensor	167
250-sheet feeder pickup roller	168
250-sheet feeder cover	169
250-sheet feeder PCA	170
500-sheet feeder pickup roller	171
500-sheet feeder cover	173
500-sheet feeder motor	174
Troubleshooting	175
Chapter contents	175
Basic troubleshooting	176
Clearing jams	178
Control panel light messages	183
Supplies Status lights	184
Printer Status lights	188
Attention with Ability to Continue secondary messages	191
Accessory error secondary messages	193
Service error secondary messages	195
Solving image-quality problems	197
Solving image-quality problems (all print jobs)	198
Solving image-quality problems (color print jobs)	205
Resolving problems that generated messages	208
Messages for both Windows and Macintosh	208
Messages for Windows only	208
Resolving problems that did not generate messages	209
Solving general printing problems	211
Solving PostScript (PS) errors	215
Solving common Macintosh problems	216
Manually rotating the print-cartridge carousel	218
Functional checks	220
Engine test	220
High-voltage power-supply check	221
Paper-path check	222
Service mode functions	223
Cold reset	223
NVRAM initializer	223
Using PJL commands	224
Troubleshooting tools	226
Demo page	226
Configuration page	226
Supplies Status page	228
Repetitive image defect ruler	229
General timing charts	230
Locations of connectors	233
Dc controller connections	236
Main wiring diagram	237
The HPColorLaserJet1500SeriesToolbox	239
The HPColorLaserJet2500SeriesToolbox	242
Parts and diagrams	245
Chapter contents	245
Ordering parts and supplies	246
Parts	246
Related documentation and software	246
Supplies	246
Accessories	247
How to use the parts lists and diagrams	248
Assembly locations	249
Printer (without optional trays)	249
Covers	250
Internal assemblies	252
Front frame assembly	252
Internal components (1 of 2)	254
Internal components (2 of 2)	256
Main drive assembly	258
Rear frame assembly	260
Middle frame assembly	262
Rotary (carousel) assembly	264
Power-supply base assembly	266
Fuser assembly	268
Rotary-drive assembly	270
PCA assemblies	271
Optional tray 2	272
Covers for optional tray 2	272
Center frame assembly—optional tray 2	274
Optional tray 2	276
Right cover assembly—optional tray 2	277
Optional tray 3	278
Covers for optional tray3	278
Internal components—optional tray 3	280
Feed drive assembly—optional tray 3	282
Media tray—optional tray 3	284
Alphabetical parts list	286
Numerical parts list	293
Index	301
Numerics	301
A	301
B	301
C	301
D	302
E	302
F	302
G	303
H	303
I	303
J	303
K	304
L	304
M	304
N	304
O	305
P	305
Q	306
R	306
S	306
T	307
U	308
V	308
W	309