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HP 9500hdn HP Color LaserJet 9500nand 9500hdn - User Guide - Page 72

Solving print-quality issues, Print-quality procedures

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http://www.hp.com/support/lj9500 Solving print-quality issues Print-quality problems sometimes occur or repeat in a direction parallel to the direction in which the media moves through the printer (feed direction). Letter- or A4-sized media are normally oriented in the trays so that their long edge is the first to feed through the printer; 11-by-17 inch or A3-sized media are normally oriented in the trays so that their short edge is the first to feed through the printer. Print-quality procedures For all print-quality problems and defects, perform the following procedures. • Replace any printer supplies that have run out. When a supply is out, the REPLACE message appears on the control panel, and the gauge shows an empty bar with a flashing outline for the supply that is out. Printing stops and the REPLACE message appears on the control panel until the supply is replaced. For more information, see "Interpreting control panel messages" on page 143. Press (HELP button) on the control panel to see step-by-step instructions for replacing the supply. For more information about replacing supplies see "Replacing the print cartridges" on page 180, "Replacing the image drums" on page 183, "Replacing the image transfer kit" on page 188, "Replacing the image cleaning kit" on page 203, or "Replacing the image fuser kit" on page 198. To order supplies, see "Ordering supplies" on page 175. • Print 10 more pages of your print job, or of another print job. The printer can automatically compensate for a few print-quality problems. If these procedures do not solve the problem, see "Solving persistent print-quality problems" on page 71. 70 Chapter 4 - Improving print quality Rev. 1.0

Section	Page
Contents	5
Finding information	13
Introduction	13
Which guide to use	14
Obtaining a user reference guide	15
Where to find Help	15
At the control panel	15
At the computer	16
Using the control panel	17
Control panel features	18
Interpreting control panel lights	19
Using control panel menus	20
Gaining access to Help	22
What you can do	23
Features for users	23
Open the printer driver	24
Print on both sides of paper (duplexing)	26
Store print jobs that you can print later	27
Create booklets	29
Staple your documents	31
Use the HP Fast Infrared Receiver to print	32
Print covers or a different first page	36
Create the effect of a full-bleed image	38
Print special documents	39
Features for administrators	46
Manage the printer remotely	46
Obtain firmware updates	48
Manage page usage	49
Improving print quality	51
What you can do to improve print quality	52
Setting the media size and type	54
Printing by type and size of media	61
Calibrating the printer	63
Using the Print Quality Troubleshooting Pages	64
Cleaning the post charger	65
Setting registration	67
Cleaning the fuser input area	68
Solving print-quality issues	72
Print-quality procedures	72
Solving persistent print-quality problems	73
Print-quality-defect chart	74
Using color and media	81
Managing color	81
Print in grayscale	81
Automatic or manual color adjustment	82
Matching colors	85
PANTONE®* color matching	86
Swatch book color matching	86
Four-color (CMYK) printing	87
CMYK Ink Set Emulation (PostScript only)	87
Using media	88
Supported types of media	88
Orienting media	97
Solving problems	103
Clearing jams	104
Solving repeated jams	106
Printing a paper-path test	141
Interpreting the lights on the accessories	142
Solving printer configuration issues	143
Configuration page	144
Interpreting control panel messages	145
Supplies	171
Checking supply levels	171
Using the supplies status indicators on the control panel	171
Using the supplies status pages	172
Using HP Web Jetadmin	176
Ordering supplies	177
Factors that can shorten the life-expectancy of supplies	179
Ordering directly through the embedded Web server	179
Ordering through the Internet-Enabled Supplies Ordering Feature	180
Installing supplies	181
Service and support	211
Warranty information	211
Service during and after the warranty period	211
Extended warranty	211
Spare parts and supplies availability	212
Limited warranty for print cartridge and image drum life	212
HP software license terms	213
Customer support options worldwide	216
Information from the printer	216
Customer support and printer repair assistance	217
Specifications and regulatory information	219
Printer specifications	219
Physical specifications	219
Power requirements and circuit capacity	220
Power consumption	221
Acoustical specifications	223
Operating and storage environment	223
Environmental product stewardship program	224
Protecting the environment	224
FCC regulations	227
Regulatory statements	228
Laser safety statement	228
Declaration of Conformity	229
Canadian DOC regulations	231
Laser statement for Finland	231
VCCI statement (Japan)	233
Korean EMI statement	234
Regulatory Model Information Number	234

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http://www.hp.com/support/lj9500

Chapter 4 – Improving print quality

Rev. 1.0

Solving print-quality issues

Print-quality problems sometimes occur or repeat in a direction parallel to the direction in which the media moves through

the printer (feed direction). Letter- or A4-sized media are normally oriented in the trays so that their long edge is the first to

feed through the printer; 11-by-17 inch or A3-sized media are normally oriented in the trays so that their short edge is the

first to feed through the printer.

Print-quality procedures

For all print-quality problems and defects, perform the following procedures.

•

Replace any printer supplies that have run out. When a supply is out, the

REPLACE <SUPPLY>

message appears on

the control panel, and the gauge shows an empty bar with a flashing outline for the supply that is out. Printing stops

and the

REPLACE <SUPPLY>

message appears on the control panel until the supply is replaced. For more

information, see “Interpreting control panel messages” on page 143.

Press

(

ELP

button) on the control panel to see step-by-step instructions for replacing the supply. For more

information about replacing supplies see “Replacing the print cartridges” on page 180, “Replacing the image

drums” on page 183, “Replacing the image transfer kit” on page 188, “Replacing the image cleaning kit” on

page 203, or “Replacing the image fuser kit” on page 198. To order supplies, see “Ordering supplies” on page 175.

•

Print 10 more pages of your print job, or of another print job. The printer can automatically compensate for a few

print-quality problems.

If these procedures do not solve the problem, see “Solving persistent print-quality problems” on page 71.