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HP 2605 Service Manual - Page 161

Print problems, Printed image quality problems, Improving print quality, Paper Types menu

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Print problems Printed image quality problems Improving print quality Use the print-quality settings in the HP ToolboxFX to improve print-quality problems. To access the HP ToolboxFX, see HP ToolboxFX on page 171. The following menus contain paper type, print mode, and print-quality settings. To restore the default settings, open the HP ToolboxFX and click Device Settings. Then click Settings, Service, and in Restore Factory Settings, click Restore. Paper Types menu The purpose of this menu is to specify the print mode for paper types which are non-specific. To make changes in the Paper Types menu, make the desired selections and click Apply. Table 6-3 Print modes for paper types Print Modes for paper types Normal mode Transparency Labels Light Heavy Cardstock Light Glossy Glossy Heavy Glossy HP Tough paper Envelope Weight 75-89 g/m2 75-89 g/m2 90-105 g/m2 106-163 g/m2 75-105 g/m2 106-120 g/m2 121-163 g/m2 Default media types Plain, color, preprinted, prepunched, recycled Transparencies Labels Light Heavy Cardstock, bond Light Glossy Glossy Heavy Glossy HP Tough paper Envelopes Print Modes menu Under the Print Modes menu in HP ToolboxFX, each media type has a Fusing menu, a Transfer menu, and a Toner menu. Select a setting for each menu item. Media types are listed with the plain papers together, glossy papers together, and special media at the end. To make changes in the Print Modes menu, make the desired selections and click Apply. Table 6-4 Extended print modes HP ToolboxFX extended print mode Printer adjustment Paper curl Fusing adjustment Change in printer setting Reduced fuser temperature for less negative paper curl ENWW Print problems 151

Section	Page
Printer basics	11
Printer configurations	12
HP Color LaserJet 2605 printer	12
HP Color LaserJet 2605dn printer	12
HP Color LaserJet 2605dtn printer	13
Printer features	14
Walkaround	16
Software	18
Software and supported operating systems	18
Print-media specifications	19
General guidelines	19
Paper and print media	19
Printing and storage environment	20
Envelopes	20
Labels	22
Transparencies	23
HP LaserJet glossy paper and HP LaserJet Photo paper	23
Letterhead or preprinted forms	23
HP LaserJet Tough paper	23
Custom-sized print media or cardstock	24
Supported media weights and sizes	24
Installation	27
Site preparation	28
Operating environment	28
Minimum system requirements	29
Requirements for PC systems	29
Requirements for Macintosh systems (non-PostScript)	29
Package contents	30
Install input devices	31
Installing Tray 3 (2605dtn)	31
Loading Tray 1	31
Loading Trays 2 and 3	33
Managing and maintenance	39
Control panel menus	40
Using the control panel menus	40
Control panel menu map	40
Managing supplies	42
Supplies life	42
Checking and ordering supplies	42
To check status and order using the control panel	42
To check and order supplies using HP ToolboxFX	42
To check and order using HP Web Jetadmin	43
Storing supplies	43
Replacing and recycling supplies	43
HP policy on non-HP supplies	43
Resetting the printer for non-HP supplies	43
HP anti-counterfeit website	44
Cleaning the printer	45
To remove toner build-up	45
To clean the paper path using HP ToolboxFX	47
Cartridge out override	48
Configuration	48
On-going operation	48
Calibrating the printer	49
To calibrate the printer at the printer	49
To calibrate the printer from the HP ToolboxFX	49
Managing the printer	50
Device pages and reports	50
Demo page	50
Configuration page	50
Supplies Status page	51
Networking page	53
Fonts pages	53
Usage page	53
Menu map	53
HP ToolboxFX	54
To view HP ToolboxFX	54
Status	55
Event log	55
Alerts	56
Set up status alerts	56
Set up e-mail alerts	56
Help	56
Device settings	57
Device information	57
Paper handling	58
Printing	58
PCL5e	58
PostScript	59
Print quality	59
Print density	59
Paper types	60
Memory card (HP Color LaserJet 2605dtn)	60
System setup	61
Service	61
Network settings	61
Using the embedded Web server	61
To access the embedded Web server using a network connection	62
Information tab	62
Settings tab	63
Networking tab	63
Other links in HP ToolboxFX	63
Operational theory	65
Engine control system	66
Basic sequence of operation	66
Power-on sequence	67
Motors and fans	67
Main motor failure detection	68
Fan motor failure detection	68
Image formation system	69
Image formation process	71
Latent image formation	72
Laser/scanner system	73
Developing stage	73
Print cartridge	74
Transfer belt (ETB)	75
Transfer stage	76
Separation stage	77
Fusing stage	77
Pickup and feed system	79
Manual feed slot pickup mechanism	81
Paper feed mechanism	81
Skew correction by the registration shutter	81
Jam detection	82
Solenoid, motor, and fan locations	83
Printed circuit assembly locations	83
250-sheet tray solenoid and printed circuit locations	84
Duplexing mechanism	85
Service-only tools (SERVICE ONLY)	90
General timing chart	90
Printer calibration	91
Removal and replacement	93
Overview	94
Service approach	95
Pre-service procedures	95
Removal and replacement procedures	96
Print cartridge replacement	96
ETB removal and replacement	99
Fuser removal and replacement	107
Formatter removal and replacement	115
DC controller removal and replacement	118
Separation assembly removal and replacement	121
Paper-pickup roller removal and replacement	122
Control panel removal and replacement	124
Memory-card assembly removal and replacement	129
Duplexing drive unit removal and replacement	134
Duplexing-driver PCA removal and replacement	139
Troubleshooting	143
Troubleshooting process	144
Troubleshooting checklist	144
Control-panel messages	146
Alert and warning messages	146
Status-log messages	150
Clearing jams	152
Where to look for jams	152
To clear jams from inside the printer	153
To clear jams from the duplex area (HP Color LaserJet 2605dn and 2605dtn models only)	154
To clear jams from the top bin (HP Color LaserJet 2605)	156
To clear jams from the top output area (HP Color LaserJet 2605dn and 2605dtn models only)	157
To clear jams from Tray 2 or optional Tray 3	159
E-Label reader guide pin damage	160
Print problems	161
Printed image quality problems	161
Improving print quality	161
Paper Types menu	161
Print Modes menu	161
Print quality menu	162
Understanding print-quality settings	163
To temporarily change print-quality settings	163
To change print-quality settings for all future jobs	163
Identifying and correcting printed image defects	163
Print-quality checklist	164
General print quality issues	164
Solving issues with color documents	168
Paper handling issues	170
Wrong size/type media	170
Cannot select a tray or feature to use	171
Performance problems	171
Functional tests (SERVICE ONLY)	173
Engine-test print	173
Service mode functions (SERVICE ONLY)	174
Cold reset	174
NVRAM initializer	174
Super NVRAM initializer	174
Restoring page counts and serial number	175
Cleaning the ETB	175
Troubleshooting tools	176
Printer pages and reports	176
Demo page	176
Configuration page	177
Supplies Status page	177
Fuser cleaning page	177
Print quality troubleshooting pages	177
Status log	177
Event log	178
Service menu	179
Service menu settings	179
Restoring the factory-set defaults	179
To restore the factory-set defaults	179
Secondary service menu	179
HP ToolboxFX	181
HP ToolboxFX	181
To view HP ToolboxFX	181
Troubleshooting tab	181
Print quality troubleshooting pages	181
Printer calibration	181
Cleaning page	182
Configuration page	182
Diagnostic resources	183
Reports menu	183
Network/Web diagnostics tools	183
Repetitive-image-defect ruler	184
Firmware and software updates	185
Parts and diagrams	187
Overview	188
Assembly locations	192
Covers	198
Internal assemblies	202
Input devices	220
Diagrams	232
Alphabetical parts list	233
Numerical parts list	236
Specifications	239
Printer specifications	240
Service and support	243
Hewlett-Packard limited warranty statement	244
Print Cartridge Limited Warranty Statement	245
HP Customer Care	246
Availability of support and service	248
HP Care Pack™ Services and Service Agreements	248
Repacking the printer	249
To repack the printer	249
Service information form	250
Regulatory information	251
Introduction	252
FCC regulations	253
Environmental Product Stewardship program	254
Protecting the environment	254
Ozone production	254
Power consumption	254
HP LaserJet printing supplies	254
Disposal of waste equipment by users in private households in the European Union	255
Material safety data sheet	256
Declaration of conformity	257
Country/region-specific safety statements	258
Laser safety statement	258
Canadian DOC statement	258
Korean EMI statement	258
VCCI statement (Japan)	258
Finnish laser statement	259

Match case Limit results 1 per page

Print problems

Printed image quality problems

Improving print quality

Use the print-quality settings in the HP ToolboxFX to improve print-quality problems. To access the

HP ToolboxFX, see

HP ToolboxFX

page

171

. The following menus contain paper type, print mode,

and print-quality settings. To restore the default settings, open the HP ToolboxFX and click

Device

Settings

. Then click

Settings

Service

, and in

Restore Factory Settings

, click

Restore

Paper Types menu

The purpose of this menu is to specify the print mode for paper types which are non-specific.

To make changes in the

Paper Types

menu, make the desired selections and click

Apply

Table 6-3

Print modes for paper types

Print Modes for paper types

Weight

Default media types

Normal mode

75-89 g/m

Plain, color, preprinted, prepunched,

recycled

Transparency

Transparencies

Labels

Light

75-89 g/m

Light

Heavy

90-105 g/m

Heavy

Cardstock

106-163 g/m

Cardstock, bond

Light Glossy

75-105 g/m

Light Glossy

Glossy

106-120 g/m

Glossy

Heavy Glossy

121-163 g/m

Heavy Glossy

HP Tough paper

Envelope

Envelopes

Print Modes menu

Under the

Print Modes

menu in HP ToolboxFX, each media type has a

Fusing

menu, a

Transfer

menu, and a

Toner

menu. Select a setting for each menu item.

Media types are listed with the plain papers together, glossy papers together, and special media at

the end. To make changes in the

Print Modes

menu, make the desired selections and click

Apply

Table 6-4

Extended print modes

HP ToolboxFX extended print mode

Printer adjustment

Change in printer setting

Paper curl

Fusing adjustment

Reduced fuser temperature for less

negative paper curl

ENWW

Print problems

151