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HP 2420 Service Manual - Page 286

Printer Status and Alerts, LaserJet Utility, Macintosh - printer service manual

UPC - 829160289205

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jobs formatted incorrectly 147 not printing, troubleshooting 146 stopped, troubleshooting 147 K keys, control panel 32 Korean EMI statement 20 L labels, specifications 15 language, control panel 34, 144 languages, printer 5 laser beam exposure stage 72 laser safety statements 20 laser/scanner diagrams 222 operations 68 removing 103 LaserJet Utility, Macintosh 27 left-side cover, removing 86 legal paper, clipped margins 220 light print, troubleshooting 203 lights, control panel 33 Limit Check error 220 lines, troubleshooting 205, 210 links embedded Web server 42 HP Toolbox 47 Linux driver support 26 load tray error messages 196, 186 locking trays 37 loose toner troubleshooting 206 washing off 175 low toner message 55 LPT error messages 213 M MAC addresses 165 Macintosh background printing 215 drivers supported 26 drivers, troubleshooting 216 fonts, troubleshooting 215 HP LaserJet Utility 27 operating systems supported 25 PPDs 27 problems, troubleshooting 214 software included 27 USB card, troubleshooting 215, 218 maintenance count 161 manual feed 38 manuals 47 map, menu 34, 48, 151 272 Index margins envelopes 15 legal paper, troubleshooting 220 media capacity 4 curl, troubleshooting 169, 209 fuser modes 39 manual feed 38 multifeeds, troubleshooting 181 sizes supported 11 skewed 182, 208 specifications 11, 12 storing 13 tray selection 35, 37 troubleshooting trays 169 wrinkled 182, 209 memory configuration page 50 DIMM errors 200, 189 e-label reader, removing 126 included 5 insufficient 196 NVRAM initialization 164 print cartridges 76 supply errors 184 menus, control panel accessing 32, 149, 158 default settings, restoring 163 Diagnostics 159 map, printing 34, 48, 151 Resets 159 Service 161 messages control panel, troubleshooting 183 event log, printing 50 Printer Status and Alerts 156 Windows 213 Microsoft Windows. See Windows misformed characters, troubleshooting 208 model number 49 models, printer 2 motors diagrams 225 operations 69 multifeeds, troubleshooting 181 N Netscape Navigator, versions supported embedded Web server 40 HP Toolbox 44 HP Web Jetadmin 43 Networking tab, embedded Web server 42 ENWW

Section	Page
Product Information	15
Chapter contents	15
Printer configurations	16
HP LaserJet 2400 Series printer base models	16
Features	18
Specifications	22
Physical specifications	22
Electrical specifications	23
Acoustic emissions	24
Operating environment	24
Media specifications	25
Supported types and sizes of print media	25
Paper and print media	26
Printing and paper storage environment	27
Envelopes	28
Envelopes with double side seams	28
Envelopes with adhesive strips or flaps	28
Envelope margins	29
Envelope storage	29
Labels	29
Transparencies	29
Hewlett-Packard limited warranty statement	30
Print Cartridge Limited Warranty Statement	31
HP LaserJet printing supplies	32
Declaration of conformity	33
Country-/region-specific safety statements	34
Laser safety statement	34
Canadian DOC statement	34
Japanese VCCI statement	34
Korean EMI statement	34
Finnish laser statement	35
Installation	37
Chapter contents	37
Operating environment	38
Interface ports	38
Software	39
Operating systems and printer components	39
Printer drivers	40
Software for Macintosh computers	41
Operation	43
Chapter contents	43
Control panel	45
Control-panel layout	45
Control-panel buttons	46
Control-panel lights	47
Control-panel language	48
Printing control-panel menus	48
Selecting which tray is used for printing	49
Understanding tray order	49
Customizing tray 1 operation	50
Printing by type and size of media (locking trays)	51
Feeding media from tray 1 manually	52
Selecting the correct fuser mode	53
Using the embedded Web server	54
Opening the embedded Web server	54
Information tab	55
Settings tab	55
Networking tab	56
Other links	56
Using HP Web Jetadmin software	57
Using the HP Toolbox	58
Supported operating systems	58
Supported browsers	58
To view the HP Toolbox	59
Status tab	59
Troubleshooting tab	60
Alerts tab	60
Documentation tab	61
Device Settings window	61
Toolbox links	61
Other links	61
Uninstalling the HP Toolbox	62
To uninstall the HP Toolbox by using the Windows desktop shortcut	62
Checking the printer configuration	62
Menu map	62
Configuration page	63
Supplies status page	65
PS or PCL font list	66
Managing the print cartridge	67
HP print cartridges	67
Non-HP print cartridges	67
Print-cartridge authentication	67
Print-cartridge storage	67
Print-cartridge life expectancy	68
Checking the supply level	68
Cartridge-low and cartridge-out conditions	69
Maintenance	71
Chapter contents	71
Cleaning the printer	72
Cleaning the outside	72
Cleaning the paper path and print-cartridge areas	72
Cleaning the fuser	74
Theory of operation	75
Chapter contents	75
Introduction	76
Internal components	77
Timing	78
Engine control system	80
Laser/scanner system	82
Pickup/feed/delivery system	83
Image-formation system	85
Step 1: Primary charging	86
Step 2: Laser beam exposure	86
Step 3: Developing	87
Step 4: Transfer	87
Step 5: Separation	88
Step 6: Fusing	88
Step 7: Drum cleaning	89
Print cartridge memory system	90
Removal and replacement	91
Chapter contents	91
Introduction	92
Removal and replacement strategy	92
Electrostatic discharge	92
User-replaceable parts	92
Required tools	92
Before performing service	93
Pre-service procedures	93
Parts removal order	94
Covers	95
Right-side cover	95
Back cover	96
I/O cover	99
Left-side cover	100
Top, right cover	102
Top cover	103
Front, right cover	104
Control panel	106
Formatter	108
Fuser	112
Laser/scanner	117
Right-side handle	120
ECU	122
Access plate	128
Power supply	129
Gear assembly	134
Tray 1 solenoid	138
Tray 2 solenoid	139
E-label reader (memory tag)	140
Face-down-roller shaft	142
Cartridge door	144
Transfer roller	147
Registration assembly	148
Tray 1 pickup roller	151
Tray 2 pickup roller	152
Separation pad	154
Troubleshooting	155
Chapter contents	155
Troubleshooting tree	157
Troubleshooting flowchart	158
1. Does the control-panel display show READY?	158
2. Can you print a configuration page?	159
3. Can you print from a program?	160
4. Does the job print as expected?	161
5. Does the printer select the correct trays?	162
Troubleshooting tools	163
Information pages	163
Embedded Web server	168
Gaining access to the embedded Web server	168
Printer Status and Alerts software	170
Control-panel menus	172
Using control-panel menus	172
Resets submenu	173
Diagnostics menu	173
Service menu (service PIN codes)	175
Printer resets and power-on modes	177
Cold reset	177
NVRAM initialization	178
Hard-disk initialization	178
Power-on bypass	179
Save + Restore	179
Test pages	180
Engine-test page	180
Formatter test page	180
Interface troubleshooting	181
Communications checks	181
EIO troubleshooting	181
Solving general printing problems	183
Clearing jams	187
Avoiding jams	187
Typical jam locations	188
Media handling problems	195
Multiple pages feed	195
Pages are wrinkled or folded	196
Pages are skewed	196
Understanding printer messages	197
Using the printer online Help system	197
Resolving persistent messages	197
Correcting print-quality problems	215
Print-quality checklist	215
Image-defect examples	215
Light print (partial page)	217
Light print (entire page)	217
Specks	218
Dropouts	218
Lines	219
Gray background	219
Toner smear	220
Loose toner	220
Repeating defects	221
Repeating image	221
Misformed characters	222
Page skew	222
Curl or wave	223
Wrinkles or creases	223
Vertical white lines	224
Tire tracks	224
White spots on black	225
Scattered lines	225
Blurred print	226
Random image repetition	226
Troubleshooting common Windows problems	227
Troubleshooting common Macintosh problems	228
Troubleshooting common PostScript problems	234
General problems	234
Specific errors	234
Printer component locations	236
Main assemblies	236
Main parts	237
Sensors and switches	238
Motors, fans, and solenoids	239
PCAs	240
500-Sheet paper feeder	241
Wiring diagrams	242
General timing diagrams	245
Parts and diagrams	247
Chapter contents	247
Ordering parts and supplies	248
Parts	248
Related documentation and software	248
Supplies	248
Accessories	249
Covers	252
Internal components	254
Tray 2 pickup assembly	268
Alphabetical parts list	270
Numerical parts list	276

Match case Limit results 1 per page

jobs

formatted incorrectly

147

not printing, troubleshooting

146

stopped, troubleshooting

147

keys, control panel

Korean EMI statement

labels, specifications

language, control panel

34, 144

languages, printer

laser beam exposure stage

laser safety statements

laser/scanner

diagrams

222

operations

removing

103

LaserJet Utility, Macintosh

left-side cover, removing

legal paper, clipped margins

220

light print, troubleshooting

203

lights, control panel

Limit Check error

220

lines, troubleshooting

205, 210

links

embedded Web server

HP Toolbox

Linux driver support

load tray error messages

196, 186

locking trays

loose toner

troubleshooting

206

washing off

175

low toner message

LPT error messages

213

MAC addresses

165

Macintosh

background printing

215

drivers supported

drivers, troubleshooting

216

fonts, troubleshooting

215

HP LaserJet Utility

operating systems supported

PPDs

problems, troubleshooting

214

software included

USB card, troubleshooting

215, 218

maintenance count

161

manual feed

manuals

map, menu

34, 48, 151

margins

envelopes

legal paper, troubleshooting

220

media

capacity

curl, troubleshooting

169, 209

fuser modes

manual feed

multifeeds, troubleshooting

181

sizes supported

skewed

182, 208

specifications

11, 12

storing

tray selection

35, 37

troubleshooting trays

169

wrinkled

182, 209

memory

configuration page

DIMM errors

200, 189

e-label reader, removing

126

included

insufficient

196

NVRAM initialization

164

print cartridges

supply errors

184

menus, control panel

accessing

32, 149, 158

default settings, restoring

163

Diagnostics

159

map, printing

34, 48, 151

Resets

159

Service

161

messages

control panel, troubleshooting

183

event log, printing

Printer Status and Alerts

156

Windows

213

Microsoft Windows.

See

Windows

misformed characters, troubleshooting

208

model number

models, printer

motors

diagrams

225

operations

multifeeds, troubleshooting

181

Netscape Navigator, versions supported

embedded Web server

HP Toolbox

HP Web Jetadmin

Networking tab, embedded Web server

272

Index

ENWW