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HP Color LaserJet Professional CP5220 Service Manual - Page 336

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default settings, restoring cold reset 250 NVRAM initialization 251 defaults restoring 250 delivery assembly removing 124 delivery unit delivery drive assembly (simplex models), removing 129 demo page 177, 211 density settings 206 developing stage 30 device error message 225 diagrams 253 DIMM memory, removing 74 DIMMs installing 74 verifying installation 78 doors. See covers driver PCA removing 137 drivers usage page 211 drum cleaning stage 33 duplex paper path 56 duplexer specifications, physical 313 duplexing unit duplex drive assembly (duplex models), removing 127 E E-mail alerts tab, HP ToolboxFX 202 e-mail alerts, setting up 200 electrical specifications 314 electrostatic discharge (ESD) 66 energy specifications 314 engine speed paper type 52 engine test page 250 engine, cleaning 246 engine-control system 7 environment specifications 315 error messages event log, listed numerically 229 error messages, control panel 201 ESD (electrostatic discharge) 66 Event log 201 event log messages, listed numerically 229 print 229 extended print modes HP ToolboxFX settings 206 F factory defaults, restoring cold reset 250 NVRAM initialization 251 faded print 240 fan error message 222 fans fuser, removing 142 power-supply fan and fan duct, removing 139 Finnish laser safety statement 320 firmware about upgrades 252 firmware version 249 fonts DIMMs, installing 74 lists, printing 211 formatter PCA, removing 144 fuser errors 219 jams 232 motor, removing 136 operation 52 part number 255 fusing stage 32 H Help tab, HP ToolboxFX 200 high-voltage power supply removing, first transfer 153 removing, imaging (developing) 152 removing, second transfer 155 HP Customer Care 312 HP Jetdirect print server NVRAM initialization 251 HP ToolboxFX about 200 Alerts tab 200 density settings 206 E-mail alerts tab 202 Help tab 200 Network Settings tab 200 opening 200 Print Quality Troubleshooting page 208 Print Settings tab 200 Product information tab 200 Status tab 200 System Settings tab 200 System Setup tab 206 humidity specifications 315 I image placement accuracy 316 image quality archive setting 216 calibration process 40 HP ToolboxFX settings 206 print, troubleshooting 208 image quality issues examples and solutions 240 initialization NVRAM 251 install supplies message 226 intermediate transfer belt (ITB) 87 invalid driver error message 226 ITB part number 255 ITB cleaning stage 33 ITB unit operation 37 J jam recovery 231 jams common causes of 230 detection theory 57 fuser 232 locations 230 lower right door 239 output bin 235 right door 232 tracking number of 211 Tray 1 235 324 Index ENWW

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

default settings, restoring

cold reset

250

NVRAM initialization

251

defaults

restoring

250

delivery assembly

removing

124

delivery unit

delivery drive assembly (simplex

models), removing

129

demo page

177,

211

density settings

206

developing stage

device error message

225

diagrams

253

DIMM

memory, removing

DIMMs

installing

verifying installation

doors.

See

covers

driver PCA

removing

137

drivers

usage page

211

drum cleaning stage

duplex

paper path

duplexer

specifications, physical

313

duplexing unit

duplex drive assembly (duplex

models), removing

127

E-mail alerts tab,

HP ToolboxFX

202

e-mail alerts, setting up

200

electrical specifications

314

electrostatic discharge (ESD)

energy specifications

314

engine speed

paper type

engine test page

250

engine, cleaning

246

engine-control system

environment specifications

315

error messages

event log, listed

numerically

229

error messages, control

panel

201

ESD (electrostatic discharge)

Event log

201

event log

messages, listed

numerically

229

extended print modes

HP ToolboxFX settings

206

factory defaults, restoring

cold reset

250

NVRAM initialization

251

faded print

240

fan error message

222

fans

fuser, removing

142

power-supply fan and fan duct,

removing

139

Finnish laser safety

statement

320

firmware

about upgrades

252

firmware version

249

fonts

DIMMs, installing

lists, printing

211

formatter

PCA, removing

144

fuser

errors

219

jams

232

motor, removing

136

operation

part number

255

fusing stage

Help tab, HP ToolboxFX

200

high-voltage power supply

removing, first transfer

153

removing, imaging

(developing)

152

removing, second

transfer

155

HP Customer Care

312

HP Jetdirect print server

NVRAM initialization

251

HP ToolboxFX

about

200

Alerts tab

200

density settings

206

E-mail alerts tab

202

Help tab

200

Network Settings tab

200

opening

200

Print Quality Troubleshooting

page

208

Print Settings tab

200

Product information tab

200

Status tab

200

System Settings tab

200

System Setup tab

206

humidity specifications

315

image placement accuracy

316

image quality

archive setting

216

calibration process

HP ToolboxFX settings

206

print, troubleshooting

208

image quality issues

examples and solutions

240

initialization

NVRAM

251

install supplies message

226

intermediate transfer belt

(ITB)

invalid driver error message

226

ITB

part number

255

ITB cleaning stage

ITB unit

operation

jam recovery

231

jams

common causes of

230

detection theory

fuser

232

locations

230

lower right door

239

output bin

235

right door

232

tracking number of

211

Tray 1

235

324

Index

ENWW