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HP 4550 Service Manual - Page 373

Material Data Safety Sheet MSDS 37 - color laserjet paper jam middle front drawer

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magenta toner cartridges density settings 251 installing 51, 54 part numbers 327 replacement intervals 142 replacing 86 maintenance counts 296 male connectors 58 management, color 246 manual color adjustment 246 manual feeding operations 124 solenoid (SL1) 124 maps color 246 menu 271, 294 marbled output, troubleshooting 260 margins, setting 298 matching color HP Color Smart II 246 PANTONE 248 variation 244 Material Data Safety Sheet (MSDS) 37 media non-supported 30 ordering 326 selecting 28 sizes 29 special 31 specifications 241 storing 33 weights 29 memory access location 26 adding 98 configuration report 288 duplex unit 15 localized font DIMMs 325 non-volatile (NVRAM) 100 NVRAM initialization 307 ordering 326 resetting 282 standard 16 supported 16 menu map, printing 271, 294 menus Calibration 281 Configuration 276 EIO 280 hard disk dependent 283 I/O 280 Information 273 locking 73 Paper Handling 274 Printing 278 Private/Stored Jobs 284 Quick Copy Jobs 283 Resets 282 Service 296 messages, error alphabetical list 217 clearing 217, 282 jams 239 numerical list 226 Micrografx Designer 249 Microsoft Internet Explorer 285 Microsoft Office 247, 249 Microsoft Publisher 249 middle drawer cover, removing 151 C7085-90921 middle drawer, removing 152 mirrors 120 misfeeds 241 missing colors 260 model numbers 18 models drum drawers 335 HP LaserJet 4500 14, 140 modes diagnostics 300 service 293 monitors, affect on color 244, 247 monochrome print speed 17 motors diagrams 310 fan 134 locations 133 M1 (fusing), operations 114, 127, 133 M1 (fusing), removing 185 M2 (pick-up), operations 122, 126, 133 M2 (pick-up), removing 187 M3 (carousel) 118, 133 M3101 (duplex feed) 129 M3102 (reversing) 129 M3103 (side registration) 129, 130 M4 (drum) 134 M5 (toner cartridge) 118, 134 removing 185, 187 mottled output, troubleshooting 260 moving printer 49 MS-DOS commands 269 MSDS (Material Data Safety Sheet) 37 multifeeds 241 multipart forms, avoiding 30 multipurpose tray sensor (PS4) 124, 312 N Navigator, Netscape 285 NDS (Novell Directory Services) 71 needle-nose pliers 140 Netscape Navigator 285 networks 10/100Base-TX 66 10Base2 65 10BaseT 66 configuring parameters 70 connecting 64 EIO configuration 67 embedded Web server 285 IBM OS/2 LAN 72 LocalTalk 64 Novell NetWare 70 security 73, 74 troubleshooting 268 UNIX 72 Windows 71 noise, printer 23 non-volatile memory (NVRAM) function 100 initializing 307 Novell Directory Services (NDS) 71 Novell NetWare, configuring 70, 71 numbers model 18 part 355, 359 serial 18, 140, 296 numerical lists error messages 226 part numbers 359 Index 371

Section	Page
Contents	7
List of Figures	9
List of Tables	13
Printer description	15
Printer features	16
Identification	20
Model and serial numbers	20
Power and regulatory information	21
Site requirements	22
Space requirements	23
Electrical specifications	24
Environmental specifications	24
Consumable storage requirements	25
Printer specifications	25
Printer assemblies	27
Media requirements	30
Selecting print media	30
Media specifications	30
Supported media weights and sizes	31
Non-supported media	32
Printing on special media	33
Environmental Product Stewardship Program	36
Regulatory statements	38
HP Color LaserJet 4500	38
HP Color LaserJet 4550	38
Safety information	39
Laser safety statement	39
Material Safety Data Sheet	39
Toner safety	39
Laser statement for Finland	40
Service approach	41
Service approach	42
Parts and supplies	43
Ordering parts	43
Ordering consumables	43
Exchange program	44
Consumables	44
World Wide Web	44
HP Service Parts Information Compact Disc	44
HP Support Assistant Compact Disc	44
Ordering related documentation and software	45
Warranty statement	46
Hewlett-Packard warranty statement	46
Onsite service agreements	47
Installation and configuration	49
Unpack the printer	50
Package contents	50
Installation	52
Using the parallel cable	60
Connecting to a network	66
Enhanced I/O (EIO) configuration	69
HP JetDirect print servers	69
LocalTalk I/O	70
CPU	70
Fast InfraRed Receiver (optional)	70
System requirements	70
Printer drivers	71
Network configuration	72
Configuring the printer for the network	72
Configuring Novell NetWare frame type parameters	72
Configuration tips	73
NetWare 3.x and 4.x based products	73
Windows 3.1, Windows 95, and Windows NT 3.51 and 4.0 networks	73
IBM OS/2 LAN Server and Warp Server networks	74
LocalTalk network	74
UNIX networks	74
Setting network security on the printer	75
Locking the control panel	76
Using an ASCII PJL escape sequence to set network security	77
Printer maintenance	79
Cleaning the printer and accessories	80
Cleaning spilled toner	80
Approximate replacement intervals for consumable items	82
Imaging drum life	82
Replacement intervals for consumables	85
Locating consumables	86
Replacing consumable items	87
DIMM configuration	100
Adding memory	100
Theory of operation	103
Introduction	104
Basic operation	105
Image formation	106
Primary charge	107
Laser exposure	108
Development	108
Transfer	109
Waste toner cleaning	111
Fusing	112
Toner density	113
Mechanical system	114
Photosensitive drum cartridge	114
Intermediate transfer belt	115
Toner carousel	120
Laser/scanner operation	122
Paper path	124
Introduction	124
Tray 2 (cassette)	125
Tray 1 (multi-purpose tray)	126
Tray 3 (500-sheet paper feeder)	128
Paper size detection	129
Fusing and delivery unit	129
Duplex unit paper path	130
DC controller subsystem	134
Motors and fans	135
Formatter system	137
Control panel	137
Power supplies	137
Power supply overview	137
High-voltage power supply	138
Removal and replacement	139
Introduction	141
Removal and replacement strategy	141
Repair notices	141
Caution regarding electrostatic discharge (ESD)	141
Determining the printer version	142
Required tools	142
Types of screws	143
Consumable assemblies	144
Covers, drawers, and top and front assemblies	146
Top cover	146
Left side cover	147
Right side cover	148
Rear door	149
Right rear cover	150
Drum drawer (top drawer) cover	151
ITB drawer (middle drawer) cover	153
ITB drawer (middle drawer)	154
Control panel	155
Installing or changing the control panel overlay	156
Front right cover	157
Radio Frequency Interference (RFI) shield	158
Laser/scanner assembly	159
DC controller	160
Developing PCB	161
Top cover switch assembly	163
Drum drawer (top drawer) assembly	165
Densitometer assembly	168
Right side assemblies	170
Formatter	170
Formatter PCB	171
Formatter pan assembly	172
Power supply	175
High-voltage power supply	176
Drum drive assembly	178
Large fan housing	180
Carousel drive assembly	181
Paper size switch PCB	183
Left side assemblies	184
Drawer switch assembly	184
Paper feed PCB	185
Fusing motor (M1)	187
Paper path pick-up motor (M2)	189
Paper pick solenoid (SL2)	190
ITB cleaning roller clutch (CL3)	191
ITB clutch (CL2) assembly	192
Transfer roller cam clutch (CL4)	194
Left side gears	195
Rear assemblies	197
Large right side fan	197
Left side fan	199
Face-down assembly	201
Internal assemblies	202
Cartridge carousel assembly	202
Toner catch tray and paper transport assembly	206
Paper pick rollers	207
Star wheel assembly	208
Transfer roller assembly	209
Cam shafts	210
Troubleshooting	211
Introduction	213
Troubleshooting process	214
Pre-troubleshooting checklist	214
Troubleshooting flowchart	215
Troubleshooting power-on	218
Printer error troubleshooting	219
Printer messages	219
Alphabetical printer error messages	219
Numerical printer error messages	228
Paper path troubleshooting	239
Jams	239
Jam locations	240
Jam locations by error message	241
General paper-path checklist	243
Print media checklist	243
Jam recovery	244
Image formation troubleshooting	245
Print density test and color checks	245
Understanding color variations	246
Color selection process	246
Customizing color output through printer drivers	246
HP ColorSmart II	248
Color management options	248
Matching colors	249
Four-color printing (CMYK)	250
Matching PANTONE® colors	250
Automatic PANTONE ® calibration	250
Adjusting color balance	252
Image defects	255
Background scatter	256
Banding and horizontal lines	256
Black lines	257
Black or partially black pages	257
Blank or white pages	258
Character voids	259
Colorless output (black only)	259
Distorted image	259
Dropouts	259
Faded print, faded areas, or faded vertical streaks	260
Full-page ghosting	260
Gray streaks	260
Irregular, raised spots or stray toner	261
Light, dark, or faded print	261
Light black or no black print	261
Loose toner	262
Mottled or marbled output	262
Random spots	262
Sharkskin (rough, mottled printing)	262
Single color missing	262
Sunburn	262
Toner smear	263
Vertical lines or streaks	263
Vertical black lines	263
Vertical white lines	263
Wavy characters	264
Overhead transparency defects	265
Dull or dark transparencies	265
Incorrect image on transparencies	265
Repetitive defects on transparencies	265
Streaking on transparencies	266
Repetitive defects troubleshooting	267
Imaging drum defects	267
Repetitive defect ruler	268
Interface troubleshooting	270
Communications checks	270
EIO troubleshooting	270
AUTOEXEC.BAT standard configurations	271
Printer Job Language (PJL) commands	271
Control panel troubleshooting	273
Control panel access	273
Printing a menu map	273
Information Menu	275
Paper Handling Menu	276
Configuration Menu	278
Printing Menu	280
I/O Menu	282
EIO Menu	282
Calibration Menu	283
Resets Menu	284
Hard disk dependent menus	285
Private/Stored Jobs menu	286
Troubleshooting tools	287
Embedded Web server	287
To use the embedded Web server	287
Embedded Web server page sets	287
Networking page set	289
Printer configuration page	289
Supplies status page	292
Interpreting the supplies status page	292
Usage page	293
Interpreting the usage page	293
Event log	294
Hard disk file directory page	294
Service mode	295
Accessing the service mode	295
Description of Service Menu items	298
Diagnostics mode	302
Entering diagnostics mode	302
Formatter diagnostics	302
Engine diagnostics	304
Engine test	308
NVRAM initialization	309
Diagrams	310
Parts and diagrams	325
Introduction	326
Ordering parts	327
Consumables, accessories, and supplies	327
Common fasteners	330
Illustrations and parts lists	331
Determining the printer version	331
Alphabetical parts list	357
Numerical parts list	361

Match case Limit results 1 per page

C7085-90921

Index

371

magenta toner cartridges

density settings 251

installing 51, 54

part numbers 327

replacement intervals 142

replacing 86

maintenance counts 296

male connectors 58

management, color 246

manual color adjustment 246

manual feeding

operations 124

solenoid (SL1) 124

maps

color 246

menu 271, 294

marbled output, troubleshooting 260

margins, setting 298

matching color

HP Color Smart II 246

PANTONE 248

variation 244

Material Data Safety Sheet (MSDS) 37

media

non-supported 30

ordering 326

selecting 28

sizes 29

special 31

specifications 241

storing 33

weights 29

memory

access location 26

adding 98

configuration report 288

duplex unit 15

localized font DIMMs 325

non-volatile (NVRAM) 100

NVRAM initialization 307

ordering 326

resetting 282

standard 16

supported 16

menu map, printing 271, 294

menus

Calibration 281

Configuration 276

EIO 280

hard disk dependent 283

I/O 280

Information 273

locking 73

Paper Handling 274

Printing 278

Private/Stored Jobs 284

Quick Copy Jobs 283

Resets 282

Service 296

messages, error

alphabetical list 217

clearing 217, 282

jams 239

numerical list 226

Micrografx Designer 249

Microsoft Internet Explorer 285

Microsoft Office 247, 249

Microsoft Publisher 249

middle drawer cover, removing 151

middle drawer, removing 152

mirrors 120

misfeeds 241

missing colors 260

model numbers 18

models

drum drawers 335

HP LaserJet 4500 14, 140

modes

diagnostics 300

service 293

monitors, affect on color 244, 247

monochrome print speed 17

motors

diagrams 310

fan 134

locations 133

M1 (fusing), operations 114, 127, 133

M1 (fusing), removing 185

M2 (pick-up), operations 122, 126, 133

M2 (pick-up), removing 187

M3 (carousel) 118, 133

M3101 (duplex feed) 129

M3102 (reversing) 129

M3103 (side registration) 129, 130

M4 (drum) 134

M5 (toner cartridge) 118, 134

removing 185, 187

mottled output, troubleshooting 260

moving printer 49

MS-DOS commands 269

MSDS (Material Data Safety Sheet) 37

multifeeds 241

multipart forms, avoiding 30

multipurpose tray sensor (PS4) 124, 312

Navigator, Netscape 285

NDS (Novell Directory Services) 71

needle-nose pliers 140

Netscape Navigator 285

networks

10/100Base-TX 66

10Base2 65

10BaseT 66

configuring parameters 70

connecting 64

EIO configuration 67

embedded Web server 285

IBM OS/2 LAN 72

LocalTalk 64

Novell NetWare 70

security 73, 74

troubleshooting 268

UNIX 72

Windows 71

noise, printer 23

non-volatile memory (NVRAM)

function 100

initializing 307

Novell Directory Services (NDS) 71

Novell NetWare, configuring 70, 71

numbers

model 18

part 355, 359

serial 18, 140, 296

numerical lists

error messages 226

part numbers 359