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HP Color LaserJet Professional CP5220 Service Manual - Page 339

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restoring factory defaults 250 restoring default settings cold reset 250 NVRAM initialization 251 right door jams 232 roller pickup roller (Tray 1), removing 80 pickup roller (Tray 2), removing 84 rollers separation roller (Tray 2), removing 82 S safety statements 320 screwdrivers, required 67 screws replacing 65 secondary service menu 249 secondary transfer roller part number 255 secondary transfer roller, removing 86 secondary transfer stage 31 sensors environmental, removing 160 paper path 44 registration sensor assembly, removing 112 residual toner full sensor, removing 120 separation stage 32 service tools, required 67 Service menu secondary 249 service page 212 settings HP ToolboxFX 200 network report 211 restoring defaults 216 System Setup menu 213 shipping lock error message 227 size specifications, product 314 sizes, media default, setting 213 skew prevention 51 skewed pages troubleshooting 244 Sleep mode power specifications 314 smeared toner, troubleshooting 244 software HP ToolboxFX 200 software license agreement 309 solenoids paper path 45 solve problems 171 solving direct-connect problems 248 network problems 248 space requirements 313 specifications acoustic 314 electrical 314 environment 315 physical 313, 314 stapler/stacker specifications, physical 313 static precautions 66 status alerts, HP ToolboxFX 200 supplies, printing report 211 viewing with HP ToolboxFX 200 status page 177 Status tab, HP Toolbox FX 200 storage cabinet specifications, physical 313 storing product 315 streaks, troubleshooting 241 Super NVRAM initialization 251 supplies error messages 227 low or out, settings 215 ordering 207, 254 replace message 227 shipping lock error message 227 status, viewing with HP ToolboxFX 200 wrong position error message 225 supplies status page 211 support online 207, 312 System Settings tab, HP ToolboxFX 200 System Setup menu 213 System Setup tab, HP ToolboxFX 206 T TCP/IP settings 217 technical support online 312 temperature specifications 315 test page engine 250 tests post-service 68 print-quality 68 text, troubleshooting 244 toner loose, troubleshooting 243 smeared, troubleshooting 244 toner cartridges. See print cartridges toner collection unit part number 255 removing 72 tools, required 67 transfer stage 31 transfer unit operation 37 Tray 1 jams 235 settings 213 Tray 2 jams 237 settings 213 Tray 3 jams 238, 239 trays load error messages 226 settings 205, 213 specifications, physical 313 troubleshooting about 174 blank pages 247 calibration 175 checklist 172, 174 ENWW Index 327

Section	Page
Theory of operation	13
Basic operation	14
Major product systems	14
Product block diagram	14
Sequence of operation	15
Normal sequence of operation	15
Formatter-control system	17
Sleep mode	17
Input/output	17
CPU	18
Memory	18
Firmware	18
Nonvolatile memory	18
PJL overview	18
PML	18
Control panel	18
Engine-control system	19
DC controller	20
Motors	23
Fans	25
Fuser-control circuit	26
Fuser temperature control	27
Fuser protective function	28
Fuser failure detection	29
Low-voltage power supply	30
Overcurrent/overvoltage protection	32
High-voltage power supply	33
Laser scanner system	35
Laser failure detection	36
Image-formation system	37
Electrophotographic process	37
Image formation process	39
Latent-image formation block	40
Pre-exposure	40
Primary charging	40
Laser beam exposure	41
Developing block	42
Transfer block	43
Primary transfer	43
Secondary transfer	43
Separation	44
Fusing block	44
ITB cleaning block	45
Drum cleaning block	45
Print cartridges	46
Memory tag	47
Cartridge presence detection	47
Toner level detection	47
Cartridge life detection	47
Developing unit engagement and disengagement control	47
ITB unit	49
Primary transfer roller engagement and disengagement control	50
ITB unit presence detection	51
ITB cleaning mechanism	51
Calibration	52
Color-misregistration control	52
Environment change control	53
Image stabilization control	53
Image density control (DMAX)	54
Image halftone control (DHALF)	54
Pickup, feed, and delivery system	55
Photo sensors	56
Motors and solenoids	57
Pickup and feed block	57
Cassette pickup	57
Cassette multiple-feed prevention	58
Tray 1 (MP tray) paper pickup	59
Tray 1 (MP tray) last-paper detection	60
Paper feed	61
Skew-feed prevention	63
Feed-speed control	64
Fusing and delivery block	64
Loop control	64
Pressure roller pressurization and depressurization control	66
Output bin full detection	67
Duplex block (duplex models only)	68
Jam detection	69
Paper feeder	71
Paper-feeder motors	72
Paper-feeder paper pickup and feed	73
Paper-feeder cassette lift operation	73
Paper-feeder jam detection	74
Removal and replacement	75
Introduction	76
Removal and replacement strategy	77
Electrostatic discharge	78
Required tools	79
Service approach	80
Before performing service	80
After performing service	80
Post-service test	80
Print-quality test	80
Removal and replacement procedures	81
Customer self repair (CSR) components	81
Print cartridges	81
Toner-collection unit	84
Memory DIMM	86
Product memory	86
Install memory and font DIMMs	86
Enable memory	90
Enable memory for Windows	90
Check DIMM installation	90
Fuser	91
Pickup roller (Tray 1)	92
Separation pad (Tray 1)	93
Separation roller assembly (Tray 2)	94
Pickup roller (Tray 2)	96
Pickup roller, separation roller, and feed roller (Tray 3)	97
Secondary transfer roller	98
Intermediate transfer belt (ITB)	99
External panels, covers, and doors	101
Identification and location	101
Right-front cover and control-panel assembly	102
Left cover	104
Rear cover	105
Remove the rear cover	105
Toner collection unit access door	105
Right-rear cover	107
Top cover	108
Remove the top cover	108
Front-door assembly	110
Right-door assembly	114
Internal assemblies	116
Laser scanner assembly	117
Remove the laser scanner assembly	117
Cassette pickup drive assembly	120
Remove the cassette pickup drive assembly	120
Registration sensor assembly	124
Remove the registration sensor assembly	124
Lifter-drive assembly	127
Remove the lifter-drive assembly	127
ITB front guide assembly	129
ITB rear guide assembly	131
Residual toner full sensor	132
Remove the residual toner full sensor	133
Formatter case	135
Delivery assembly	136
Remove the delivery assembly	136
Duplex drive assembly (duplex models)	139
Remove the duplex-drive assembly	139
Delivery drive assembly (simplex models)	141
Remove the delivery drive assembly	141
Residual-toner-feed assembly	142
Remove the residual-toner-feed assembly	142
ITB motor	144
Remove the ITB motor	144
Drum motor	146
Remove the drum motor	146
Developing motor	147
Remove the developing motor	147
Fuser motor	148
Remove the fuser motor	148
Developing-disengagement motor	149
Remove the developing-disengagement motor	149
Power-supply fan	151
Remove the power-supply fan	151
Fuser fan	154
Remove the fuser fan	154
Formatter PCA	156
Formatter resets	156
DC controller PCA	158
Remove the DC controller PCA	158
Low-voltage power supply	160
Remove the low-voltage power supply	160
Imaging (developing) high-voltage power supply	164
Remove the imaging (developing) high-voltage power supply	164
First transfer high-voltage power supply	165
Remove the first transfer high-voltage power supply	165
Second transfer high-voltage power supply	167
Remove the second transfer high-voltage power supply	167
Driver PCA	169
Remove the driver PCA	169
Power switch PCA	171
Remove the power switch PCA	171
Environmental sensor	172
Remove the environmental sensor	172
Optional paper feeder assembly (Tray 3)	173
Tray 3 rear cover	173
Tray 3 left cover	173
Tray 3 right-front cover	175
Tray 3 front-upper cover	176
Tray 3 right door	176
Tray 3 right-lower cover	178
Tray 3 pickup assembly	179
Tray 3 lifter drive assembly	180
Tray 3 pickup motor	181
Tray 3 driver PCA	182
Solve problems	183
Solve problems checklist	184
Menu map	185
Troubleshooting process	186
Pretroubleshooting checklist	186
Power-on checks	188
Tools for troubleshooting	189
Diagrams	189
Block diagrams	189
Plug/jack locations	191
Location of connectors	192
DC controller connections	192
Product connections	194
Locations of major components	201
General timing charts	208
General circuit diagram	209
HP ToolboxFX	212
Open HP ToolboxFX	212
Status	213
Event log	213
Alerts	214
Set up Status Alerts	214
Set up E-mail Alerts	214
Product information	214
Set password	214
Help	215
System Settings	216
Device Information	216
Paper Setup	217
Print Quality	218
Print Density	218
Paper Types	218
Extended Print Modes	218
System Setup	218
Save/Restore Settings	218
Product Security	219
Print Settings	219
Printing	219
PCL5	219
PostScript	219
Network Settings	219
Shop for Supplies	219
Other Links	219
Internal print quality test pages	220
Use HP ToolboxFX to troubleshoot print-quality problems	220
Configuration page	221
Print quality troubleshooting tools	221
Repetitive image-defect ruler	221
Calibrate the product	222
Control-panel menus	223
Use the menus	223
Reports menu	223
System Setup menu	225
Service menu	228
Network Configuration menu	229
Interpret control-panel and status-alert messages	230
Event-log messages	241
Print an event log	241
Event-log messages	241
Clear jams	242
Common causes of jams	242
Jam locations	243
Change Jam Recovery setting	243
Clear jams in the right door	244
Clear jams in the output bin area	247
Clear jams in Tray 1	247
Clear jams in Tray 2	249
Clear jams in the optional 500-sheet paper and heavy media tray (Tray 3)	250
Clear jams in the lower right door (Tray 3)	251
Solve image-quality problems	252
Image defects table	252
Clean the product	258
Solve performance problems	259
Solve connectivity problems	260
Solve direct-connect problems	260
Solve network problems	260
Service mode functions	261
Secondary service menu	261
Open the secondary service menu	261
Secondary service menu structure	261
Product resets	262
Restore the factory-set defaults	262
Engine test page	262
Cold reset	262
NVRAM initialization	263
Super NVRAM initialization	263
Product updates	264
Parts and diagrams	265
Order parts by authorized service providers	266
Order parts, accessories, and supplies	266
Related documentation and software	266
Supplies part numbers	267
Customer self repair parts	267
Accessories part numbers	269
How to use the parts lists and diagrams	270
Assembly locations	271
External covers, panels, and doors	272
Right door assembly	274
Internal components (1 of 6)	276
Internal components (2 of 6)	278
Internal components (3 of 6)	280
Internal components (4 of 6)	282
Internal components (5 of 6)	284
Internal components (6 of 6)	286
Cassette	288
Paper pickup assembly	290
Paper delivery assembly	292
Printed circuit assemblies	294
Paper feeder external components	296
Paper feeder internal components	298
Paper feeder PCA	300
Alphabetical parts list	302
Numerical parts list	309
Service and support	317
Hewlett-Packard limited warranty statement	318
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement	319
HP Color LaserJet Fuser Kit Limited Warranty Statement	320
End User License Agreement	321
Customer self-repair warranty service	323
Customer support	324
Product specifications	325
Physical specifications	326
Performance specifications	326
Electrical specifications	326
Acoustic specifications	326
Environmental specifications	327
Skew specifications	328
Regulatory information	329
FCC regulations	330
Declaration of conformity	331
Safety statements	332
Laser safety	332
Canadian DOC regulations	332
VCCI statement (Japan)	332
Power cord statement (Japan)	332
EMC statement (Korea)	332
Laser statement for Finland	332
Substances Table (China)	333

Match case Limit results 1 per page

restoring

factory defaults

250

restoring default settings

cold reset

250

NVRAM initialization

251

right door

jams

232

roller

pickup roller (Tray 1),

removing

pickup roller (Tray 2),

removing

rollers

separation roller (Tray 2),

removing

safety statements

320

screwdrivers, required

screws

replacing

secondary service menu

249

secondary transfer roller

part number

255

secondary transfer roller,

removing

secondary transfer stage

sensors

environmental, removing

160

paper path

registration sensor assembly,

removing

112

residual toner full sensor,

removing

120

separation stage

service

tools, required

Service menu

secondary

249

service page

212

settings

HP ToolboxFX

200

network report

211

restoring defaults

216

System Setup menu

213

shipping lock error

message

227

size specifications, product

314

sizes, media

default, setting

213

skew prevention

skewed pages

troubleshooting

244

Sleep mode

power specifications

314

smeared toner,

troubleshooting

244

software

HP ToolboxFX

200

software license

agreement

309

solenoids

paper path

solve problems

171

solving

direct-connect problems

248

network problems

248

space requirements

313

specifications

acoustic

314

electrical

314

environment

315

physical

313,

314

stapler/stacker

specifications, physical

313

static precautions

status

alerts, HP ToolboxFX

200

supplies, printing report

211

viewing with

HP ToolboxFX

200

status page

177

Status tab, HP Toolbox FX

200

storage cabinet

specifications, physical

313

storing

product

315

streaks, troubleshooting

241

Super NVRAM initialization

251

supplies

error messages

227

low or out, settings

215

ordering

207,

254

replace message

227

shipping lock error

message

227

status, viewing with

HP ToolboxFX

200

wrong position error

message

225

supplies status page

211

support

online

207,

312

System Settings tab,

HP ToolboxFX

200

System Setup menu

213

System Setup tab,

HP ToolboxFX

206

TCP/IP

settings

217

technical support

online

312

temperature specifications

315

test page

engine

250

tests

post-service

print-quality

text, troubleshooting

244

toner

loose, troubleshooting

243

smeared, troubleshooting

244

toner cartridges.

See

cartridges

toner collection unit

part number

255

removing

tools, required

transfer stage

transfer unit

operation

Tray 1

jams

235

settings

213

Tray 2

jams

237

settings

213

Tray 3

jams

238,

239

trays

load error messages

226

settings

205,

213

specifications, physical

313

troubleshooting

about

174

blank pages

247

calibration

175

checklist

172,

174

ENWW

Index

327