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HP 3015 Service Manual - Page 248

Cause, Solution, HP LaserJet 3015, HP LaserJet, and 3030, Scanned items are crooked.

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Scanned items are crooked. Cause Solution The media input tray guides are not set correctly, are broken, or are missing. Be sure to center the paper with the media input tray guides. Verify that the guides are not adjusted too tightly or too loosely against the paper. Check for broken or missing guides and replace as necessary. Pages refeed into the ADF. Cause Solution The media is damaged. Make sure that the media Make sure that the media is not folded or torn, and is flat (not folded) and that it meets weight that it meets specifications detailed in the HP specifications. LaserJet Printer Family Print Media Guide. The ADF feeds multiple sheets or jams frequently from the media input tray. Cause Solution The media input tray guides are not adjusted properly. Remove the document from the media input tray. Straighten the item, then reinsert it. Slide the guides against the sides of the item to center it. Make sure that the guides are not adjusted too tightly. The media input tray is overfilled. Remove some of the sheets. The media input tray can hold up to 30 (HP LaserJet 3015) or 50 (HP LaserJet 3020 and 3030) pages, depending on the thickness of the pages. The item was too thick, too slick, or otherwise did not meet specifications. Make sure that the media meets specifications detailed in the HP LaserJet Printer Family Print Media Guide Use the flatbed ( HP LaserJet 3020 and 3030) to make the scan or copy. The ADF pickup roller is dirty or worn. Clean or replace the ADF pickup roller. See, The ADF document feed guide is not installed properly. Ensure that both sides of the ADF document feed guide are snapped in properly. The ADF pickup roller is damaged or worn. HP LaserJet 3015: replace the scanner assembly. See, Scanner assembly. HP LaserJet 3020 and 3030: replace the ADF pickup roller See, User replaceable parts. The ADF separation pad is dirty, damaged, or worn. Replace the ADF separation pad. See, User replaceable parts. The sensor is not operating properly. Check the sensor to make sure it is not jammed. If a sensor cannot be corrected, replace the ADF assembly. A problem exists in the ADF path. Check the path for obstructions. Readjust as necessary or replace the ADF assembly (the ADF assembly is part of the flatbed lid for the HP LaserJet 3020 and 3030). See, Scanner assembly or Flatbed lid. 230 Chapter 6 Troubleshooting ENWW

Section	Page
Product Information	19
Product configurations	20
HP LaserJet 3015, 3020, and 3030 all-in-one products	20
HP LaserJet 3015 all-in-one product	21
HP LaserJet 3020/3030 all-in-one product	21
Product features	22
Overview of products	23
Hardware components	23
Product identification	25
Model and serial numbers	25
Product specifications	26
Physical specifications	26
Environmental specifications (all models)	26
HP LaserJet 3015 performance specifications	26
HP LaserJet 3020/3030 performance specifications	28
Electrical specifications (all models)	30
Acoustic emissions (all models)	30
Skew specifications (all models)	30
HP LaserJet 3030 fax capabilities	31
HP LaserJet 3015, 3020, and 3030 all-in-one battery	32
Warranty statement	33
HP’s Premium Protection print-cartridge warranty	34
Extended warranty	35
Print-cartridge information	36
Refilled print cartridges	36
HP LaserJet printing supplies	36
HP Printing Supplies Returns and Recycling Program information	36
FCC regulations	38
Telephone Consumer Protection Act (United States)	40
IC CS-03 requirements	41
Declaration of Conformity	42
Safety statements	43
Laser safety statement	43
Canada DOC regulations	43
Laser statement for Finland	44
Korean EMI statement	44
Australian EMC requirements	44
Regulatory information for the European Union countries/regions	45
Operation	47
Operating environment	48
Identifying the control-panel components	49
Control-panel menu structure	51
To use the control-panel buttons	51
To print the control-panel menu structure	51
Product media specifications	55
Main input tray (all models)	55
Automatic document feeder (ADF) specifications	56
To gain access to the optimizing feature	56
Guidelines for using media	57
Paper and transparencies	57
Common media problems table	57
Labels	58
Envelopes	58
Card stock and heavy media	59
Loading media	61
Media input tray	61
Priority input tray	61
Specific types of media	61
Media information for ADF originals	61
Media information for the flatbed (HP LaserJet 3020 and 3030)	62
Loading originals to copy or scan	62
Loading originals into the LJ 3020 and 3030 ADF input tray	63
Loading originals onto the LJ 3020 and 3030 flatbed scanner	64
Maintenance	65
Life expectancies of parts that wear	66
Scanner calibration	67
Cleaning the product	68
To clean the print path	68
Cleaning the glass	68
Cleaning the print-cartridge area	72
To cleaning the print-cartridge area (all models)	72
Cleaning the printer pickup roller (all models)	73
Cleaning the printer separation pad (all models)	74
User replaceable parts	75
Printer pickup roller (all models)	75
Printer separation pad (all models)	77
Printer main input tray (all models)	78
HP LaserJet 3015 ADF pickup roller	79
HP LaserJet 3015 ADF separation pad set	80
HP LaserJet 3015 ADF input tray	80
HP LaserJet 3015 ADF output bin	81
HP LaserJet 3020 and 3030 ADF pickup roller	81
HP LaserJet 3020 and 3030 ADF separation pad	84
HP LaserJet 3020 and 3030 control-panel bezel	84
Operational overview	87
Basic functions (all models)	88
Basic sequence of operation	89
Formatter system	93
Central processing unit	93
Line interface unit (HP LaserJet 3015 and 3030 only)	93
Standard boot process	93
RAM	94
Parallel interface or universal serial bus (USB) interface	94
Control panel	94
EconoMode	94
MEt	95
Enhanced I/O	95
PJL overview	95
Printer functions (all models)	96
Engine control system (engine control unit and power-supply assembly)	96
Image-formation system	101
Print cartridge	102
Printer paper-feed system	102
Jam detection in the printer	103
HP LaserJet 3015 all-in-one unique components	105
Basic operation	105
HP LaserJet 3020 and 3030 all-in-one unique components	111
Scanner and ADF functions and operation	111
Fax functions and operation (HP LaserJet 3015 and 3030 only)	114
PSTN operation	114
The fax subsystem	114
Formatter in the fax subsystem	114
LIU in the fax subsystem	114
Fax page storage in flash memory	117
Removal and replacement	119
Removal and replacement strategy	121
Required tools	121
Before performing service	121
After performing service	122
Parts removal order	122
HP LaserJet 3015 all-in-one	125
Link assemblies and scanner support frame springs	125
Scanner side covers	128
Separation-pad set	129
Control-panel bezel	130
Control-panel assembly	131
Media lever and media lever torsion spring	132
Separation pad assembly	133
Scanner assembly	136
Scanner assembly top cover	144
Top-cover assembly	147
Pickup roller	148
White platen	149
HP LaserJet 3020 and 3030 all-in-one	151
ADF input tray	151
Flatbed lid	152
Link assemblies and scanner support frame springs	154
Control-panel bezel	157
Control-panel assembly	157
ADF separation pad	158
ADF input-tray flag	159
ADF pickup roller	160
ADF scanner glass	161
Scanner assembly	163
Printer (product base)	171
Printer separation pad	172
Print cartridge	172
Printer pickup roller	174
Media input tray	176
Transfer roller	177
Printer side covers	179
Print-cartridge door	181
Rear cover and fuser cover	182
Front cover	183
Installing the scanner cushions	185
Speaker assembly	186
Power supply	187
Formatter and line interface unit (LIU)	189
Scanner support frame	193
Engine controller unit	195
Laser/scanner assembly	199
Main motor	200
Fuser	202
Paper-pickup assembly	204
Troubleshooting	205
Basic troubleshooting	206
Control-panel messages	211
Alert and warning messages	211
Critical error messages	219
Event-log codes	222
Solving image-quality problems	224
Checking the print cartridge	224
Solving print image-quality problems	224
Solving scanning (copying) image-quality problems	234
Repetitive image defect ruler	240
Solving paper-feed problems	241
Jams occur in the printer	241
Solving print paper-feed problems	243
Jams occur in the automatic document feeder (ADF)	245
Solving scanner (copier) paper-feed problems	247
Solving problems with digital subscriber line (DSL) connections	249
Connecting additional devices	249
Functional checks	253
Control-panel test	253
Half self-test functional check	253
Drum rotation functional check	255
High-voltage contacts check	256
Updating the firmware code	258
Troubleshooting tools	259
Printing a configuration report, demonstration page, or menu structure	259
Printing all fax reports at once (HP LaserJet 3015 and 3030 only)	259
T.30 protocol trace (HP LaserJet 3015 and 3030 only)	259
Service-mode functions	280
Secondary service menu	280
Developer’s menu	281
Adjusting the country/region code parameters	282
Soft reset	283
NVRAM init	283
System settings for localized products	284
Printer job language (PJL) software commands	286
Main wiring	287
Component locations, HP LaserJet 3015 all-in-one	290
Component locations, HP LaserJet 3020 and 3030 all-in-one	294
Component locations, HP LaserJet 3015, 3020 and 3030 printer (product base)	295
Parts and diagrams	299
Ordering parts and supplies	300
Parts that wear	300
Parts	300
World-wide customer support	300
Accessories	302
Common hardware	302
How to use the parts lists and diagrams	303
HP LaserJet 3015 scanner assembly	304
HP LaserJet 3020/3030 scanner assembly	314
HP LaserJet 3015/3020/3030 printer base	322
Alphabetical parts list	338
Numerical parts list	344

Match case Limit results 1 per page

Scanned items are crooked.

Cause

Solution

The media input tray guides are not set correctly,

are broken, or are missing.

Be sure to center the paper with the media input

tray guides. Verify that the guides are not adjusted

too tightly or too loosely against the paper. Check

for broken or missing guides and replace as

necessary.

Pages refeed into the ADF.

Cause

Solution

The media is damaged. Make sure that the media

is flat (not folded) and that it meets weight

specifications.

Make sure that the media is not folded or torn, and

that it meets specifications detailed in the

LaserJet Printer Family Print Media Guide

The ADF feeds multiple sheets or jams frequently from the media input tray.

Cause

Solution

The media input tray guides are not adjusted

properly.

Remove the document from the media input tray.

Straighten the item, then reinsert it. Slide the

guides against the sides of the item to center it.

Make sure that the guides are not adjusted too

tightly.

The media input tray is overfilled.

Remove some of the sheets. The media input tray

can hold up to 30 (HP LaserJet 3015) or 50 (HP

LaserJet 3020 and 3030) pages, depending on the

thickness of the pages.

The item was too thick, too slick, or otherwise did

not meet specifications.

Make sure that the media meets specifications

detailed in the

HP LaserJet Printer Family Print

Media Guide

Use the flatbed ( HP LaserJet 3020

and 3030) to make the scan or copy.

The ADF pickup roller is dirty or worn.

Clean or replace the ADF pickup roller. See,

The ADF document feed guide is not installed

properly.

Ensure that both sides of the ADF document feed

guide are snapped in properly.

The ADF pickup roller is damaged or worn.

HP LaserJet 3015

: replace the scanner

assembly. See,

Scanner

assembly

HP LaserJet

3020 and 3030

: replace the ADF pickup roller

See,

User

replaceable

parts

The ADF separation pad is dirty, damaged, or

worn.

Replace the ADF separation pad. See,

User

replaceable

parts

The sensor is not operating properly.

Check the sensor to make sure it is not jammed. If

a sensor cannot be corrected, replace the ADF

assembly.

A problem exists in the ADF path.

Check the path for obstructions. Readjust as

necessary or replace the ADF assembly (the ADF

assembly is part of the flatbed lid for the HP

LaserJet 3020 and 3030). See,

Scanner

assembly

Flatbed

lid

230

Chapter 6

Troubleshooting

ENWW