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HP 2300d Service Manual - Page 161

Access plate

UPC - 808736471091

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Access plate 1 Remove the following covers and assemblies: • I/O cover (see page 113) • DIMM cover (page 115) • rear cover (page 116) • front cover (page 119) • control panel (page 120) • top cover assembly (page 121) • formatter (page 147) • drive assembly (page 148) 2 Turn the printer so that the bottom of the printer faces up. 3 Pull the green access-plate release lever (callout 1) and then lift up the access plate slightly. 12 Figure 84. Removing the access plate (1 of 3) ENWW Chapter 6 Removal and replacement 159

Section	Page
Contents	5
Figures	11
Tables	15
Product description	17
Printer configurations	18
Printer features	19
Identification	21
Specifications	22
Physical specifications	22
Electrical specifications	22
Power consumption	22
Acoustic emissions	23
Operating environment	23
Product overview	24
Safety information	25
Print-cartridge and toner safety	25
Laser safety	26
Regulatory information	26
FCC regulations	26
Declaration of conformity	26
Environmental product stewardship program	27
Protecting the environment	27
Material safety data sheet	28
HP Printing Supplies Environmental Program information	28
Service approach	29
Bench-repair warranty	29
HP Express Exchange	29
Information about ordering	29
World Wide Web	30
HP service parts-information compact disc	30
HP support-assistant compact disc	30
Reseller sales and service support	30
Installation	31
Site requirements	32
Operating environment	32
Printer space requirements	33
Interface ports	35
Media specifications	36
General media specifications	36
Media input options	37
Tray1 media sizes	37
Optional 250sheet tray (tray2 or tray3) paper sizes	38
Optional 500sheettray (tray 3) paper sizes	39
Paper sizes for automatic duplexing	39
Guidelines for selecting paper	40
Envelope specifications	41
Label specifications	43
Transparency specifications	44
Storing print media	45
Shipping print media	45
Paper fillers	45
Testing media specifications	46
Tools and suppliers	51
Operation	53
Control panel	54
Control-panel layout	54
Changing control-panel settings	56
Printing control-panel menus	56
Control-panel menus—user	57
Retrieve job menu	57
Information menu	58
Paper-handling menu	59
Configure device menu	61
Diagnostics menu	73
Control-panel menus—service	74
Entering service mode	74
Printer maintenance	75
Periodic inspection of parts	76
Cleaning the printer	77
Cleaning the paper path and printcartridge areas	77
Cleaning the fuser	78
Cleaning the outside of the printer	78
Managing the print cartridge	79
HPprint cartridges	79
NonHP print cartridges	79
Printcartridge authentication	79
Printcartridge storage	80
Printcartridge life expectancy	80
Checking the supply level	81
Cartridge-low and cartridge-out conditions	82
Supplies status page	83
Theory of operation	85
Introduction	86
Basic sequence of operation	86
Power-on sequence	87
Engine control system	88
Laser/scanner system	89
Image-formation system	90
Image-formation process	91
Electrostatic latent-image-formation block	92
Developing block	93
Transfer block	94
Fusing block	95
Drum-cleaning block	96
Pickup/feed system	97
Single-sided printing	97
Duplex printing	97
Delivery	99
Automatic duplexer	100
Formatter system	101
Formatter hardware	102
Formatter subsystem	103
Sheet feeders	105
Media detection	107
Media-size detection	107
Jam detection	108
Pickup sensors	108
Delivery sensors	109
Reversing sensors	109
Automatic duplexer sensors	110
Paper-feed sensor	110
Removal and replacement	111
Removal and replacement strategies	113
Required tools	113
Before you begin	114
Covers	115
I/O cover	115
Print server	116
DIMM cover	117
Rear cover	118
Front cover	121
Control panel	122
Top-cover assembly	123
Left-side cover	126
Power switch	127
Tray 1 assembly	128
Internal assemblies	132
Tray 1 pickup roller	132
Pickup sensor flag	134
Tray 1 separation pad	135
Tray 2 pickup roller	138
Tray 2 and 250-sheet feeder separation pad	141
Fan	142
Fuser	143
Laser/scanner	145
Laser/scanner plate	146
E-label reader	147
Formatter	149
Drive assembly	150
Main motor	153
Flat, flexible cable	154
Engine controller PCA	155
Solenoid	160
Access plate	161
Power supply	164
Top-output-bin delivery assembly	171
Registration-roller assembly	174
Transfer roller	176
Feed belts	177
Trays	178
250-sheet feeder and 500-sheet feeder pickup roller	178
500-sheet feeder separation pad	180
Troubleshooting	181
Troubleshooting process	182
Preliminary operating checks	182
Basic fault isolation	182
Troubleshooting process flow	184
Power-on	185
Troubleshooting with control-panel messages	186
Using the printer online Help system	186
Resolving persistent messages	186
Troubleshooting the control-panel display	187
Interpreting controlpanel messages	188
Media-handling problems	201
Printing a configuration page	201
Printing a Jetdirect configuration page	202
Printing a usage page	203
Printing a supplies status page	203
Printing an engine test	204
Jam troubleshooting	206
Jam causes	207
Typical jam locations	207
Output areas	208
Paper-access area	209
Tray2 or tray3 input area	210
Printcartridge area	211
Image-formation troubleshooting	212
Check the print cartridge	213
EconoMode	213
Image defects unique to the HPLaserJet 2300 series printers	213
Image-defect tables	214
Media troubleshooting	220
Determine the problem source: print media or printer	220
Isolate a paper path	220
Isolate a media brand	221
Isolate a media type	222
Evaluate media use practices	226
Evaluate environmental conditions	226
Communication troubleshooting	228
Communications check	228
Test message	228
EIO troubleshooting	228
Troubleshooting tools	229
Repetitive defect ruler	229
Half-self-test functional check	230
Performing a self test	231
Performing a paper path test	231
Drum-rotation functional check	231
Resetting the printer	232
Setting the language	232
Reference diagrams	233
Parts and diagrams	243
Ordering parts and supplies and getting support	244
Parts	244
Support	244
Consumables, accessories, and supplies	245
Common fasteners	246
Illustrations and parts lists	247
Assembly locations	247
Covers	248
Covers and panels	248
Top cover assembly	250
Internal components	252
Internal components (1 of 4)	252
Internal components (2 of 4)	254
Internal components (3 of 4)	256
Internal components (4 of 4)	258
Power-supply assembly	260
Pickup assembly	262
Engine controller	264
PCA locations	265
Trays	266
250-sheet feeder	266
500-sheet feeder	268
Alphabetical parts list	270
Numerical parts list	275
Index	281
Symbols	281
Numerics	281
A	281
B	281
C	281
D	283
E	283
F	284
G	284
H	284
I	285
J	285
K	285
L	285
M	286
N	287
O	287
P	287
Q	289
R	289
S	290
T	291
U	292
V	292