Full Text Searchable PDF User Manual

Print quality guide
Many print quality problems can be solved by replacing a supply or maintenance item that is approaching the end of its intended
life. Check the printer control panel for a message about a printer supply.
This section provides solutions to print quality problems.
Printer is printing blank pages
Try one or more of the following:
M
AKE
SURE
THERE
IS
NO
PACKING
MATERIAL
LEFT
ON
THE
TONER
CARTRIDGE
Remove the toner cartridge and make sure the packing material is properly removed. Reinstall the toner cartridge.
M
AKE
SURE
THE
TONER
CARTRIDGE
IS
NOT
LOW
ON
TONER
When
88.xx [color] cartridge low
appears, make sure the toner is distributed evenly within the toner cartridge:
1
Remove the toner cartridge.
2
Firmly shake the cartridge side-to-side and front-to-back several times to redistribute the toner.
3
Reinsert the toner cartridge.
Note:
If print quality does not improve, replace the toner cartridge.
If the problem continues, the printer may need to be serviced. For more information, contact Customer Support.
Characters have jagged or uneven edges
If you are using downloaded fonts, verify that the fonts are supported by the printer, the host computer, and the software
program.
Print quality guide
Page 1 of 12

Clipped images
Try one or more of the following:
C
HECK
THE
GUIDES
Move the width and length guides in the tray to the correct positions for the paper size loaded.
C
HECK
THE
PAPER
SIZE
SETTING
Make sure the paper size setting matches the paper loaded in the tray:
1
From the printer control panel Paper menu, check the Paper Size setting.
2
Before sending the job to print, specify the correct size setting:
•
For Windows users, specify the size from Print Properties.
•
For Macintosh users, specify the size from the Page Setup dialog.
Fine horizontal lines appear on color pages
You may notice fine, horizontal lines in photographs or pages with a high concentration of color. This can occur when the printer
is in Quiet Mode. To fix this, set Quiet Mode to
Off (Image/Photo)
.
Shadow images appear on prints
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
C
HECK
THE
PAPER
TYPE
AND
WEIGHT
SETTINGS
Make sure the paper type and weight settings match the paper loaded in the tray:
1
From the printer control panel Paper menu, check the Paper Type and Paper Weight settings.
2
Before sending the job to print, specify the correct type setting:
•
For Windows users, specify the type from Print Properties.
•
For Macintosh users, specify the type from the Print dialog.
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
DEFECTIVE
Replace the defective photoconductor unit.
Print quality guide
Page 2 of 12

M
AKE
SURE
THE
TONER
CARTRIDGE
IS
NOT
LOW
ON
TONER
When
88.xx [color] cartridge low
appears, make sure the toner is distributed evenly within the toner cartridge.
1
Remove the toner cartridge.
Warning—Potential Damage:
Be careful not to touch the photoconductor drum. Doing so may affect the print quality of
future print jobs.
2
Firmly shake the cartridge side-to-side and front-to-back several times to redistribute the toner.
3
Reinsert the toner cartridge.
Note:
If print quality does not improve, replace the toner cartridge.
If the problem continues, the printer may need to be serviced. For more information, contact customer support.
Gray background
ABCDE
ABCDE
ABCDE
C
HECK
THE
T
ONER
D
ARKNESS
SETTING
Select a lighter Toner Darkness setting:
•
From the printer control panel Quality menu, change the setting.
•
For Windows users, change the setting from Print Properties.
•
For Macintosh users, change the setting from the Print dialog.
T
HE
TONER
CARTRIDGE
MAY
BE
WORN
OR
DEFECTIVE
Replace the toner cartridge.
Incorrect margins
These are possible solutions. Try one or more of the following:
Print quality guide
Page 3 of 12

C
HECK
THE
PAPER
GUIDES
Move the guides in the tray to the correct positions for the paper size loaded.
C
HECK
THE
PAPER
SIZE
SETTING
Make sure the paper size setting matches the paper loaded in the tray:
1
From the printer control panel Paper menu, check the Paper Size setting.
2
Before sending the job to print, specify the correct size setting:
•
For Windows users, specify the size from Print Properties.
•
For Macintosh users, specify the size from the Page Setup dialog.
Light colored line, white line, or incorrectly colored line appears on prints
ABCDE
ABCDE
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
Try one or more of the following:
M
AKE
SURE
THERE
IS
NO
DEFECTIVE
TONER
CARTRIDGE
Replace the defective toner cartridge.
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
DEFECTIVE
Replace the defective photoconductor unit.
M
AKE
SURE
THE
TRANSFER
MODULE
IS
NOT
DEFECTIVE
Replace the defective transfer module.
C
LEAN
THE
PRINTHEAD
LENSES
1
Open the front door, and then the internal cover.
2
Locate the printhead wipers.
3
Gently pull the printhead wiper out until it stops, and then slowly slide it back into place.
4
Clean the remaining three printhead lenses.
Print quality guide
Page 4 of 12

Paper curl
Try one or more of the following:
C
HECK
THE
PAPER
TYPE
AND
WEIGHT
SETTINGS
Make sure the paper type and weight settings match the paper loaded in the tray or feeder:
1
From the printer control panel Paper menu, check the Paper Type and Paper Weight settings.
2
Before sending the print job, specify the correct paper type setting:
•
For Windows users, specify the paper type from Print Properties.
•
For Macintosh users, specify the paper type from the Print dialog.
L
OAD
PAPER
FROM
A
FRESH
PACKAGE
Paper absorbs moisture due to high humidity. Store paper in its original wrapper until you use it.
Print irregularities
These are possible solutions. Try one or more of the following:
T
HE
PAPER
MAY
HAVE
ABSORBED
MOISTURE
DUE
TO
HIGH
HUMIDITY
•
Load paper from a fresh package.
•
Store paper in its original wrapper until you use it.
C
HECK
THE
PAPER
TYPE
SETTING
Make sure the paper type setting matches the paper loaded in the tray:
1
From the printer control panel, check the Paper Type setting from the Paper menu.
2
Before sending the job to print, specify the correct type setting:
•
For Windows users, specify the type from Print Properties.
•
For Macintosh users, specify the type from the Print dialog.
C
HECK
THE
PAPER
Avoid textured paper with rough finishes.
Print quality guide
Page 5 of 12

T
HE
TONER
MAY
BE
LOW
When
88 Cartridge Low
appears or when the print becomes faded, replace the toner cartridge.
T
HE
FUSER
MAY
BE
WORN
OR
DEFECTIVE
Replace the fuser.
Repeating defects appear on a page
Try one or more of the following:
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
DEFECTIVE
The photoconductor unit may be defective if marks occur repeatedly in only one color and multiple times on a page.
•
Replace the photoconductor unit if the defects occur every 94.2 mm (3.71 in.) or 37.68 mm (1.48 in.).
M
AKE
SURE
THE
FUSER
IS
NOT
DEFECTIVE
The fuser may be defective if the marks occur down repeatedly in all colors.
•
Replace the fuser if the defects occur every 141 mm (5.55 in.).
Skewed print
Try one or more of the following:
C
HECK
THE
PAPER
GUIDES
Adjust the length and width guides in the tray to the correct positions for the paper size loaded.
•
Make sure the guides are not too far from the paper stack.
•
Make sure the guides are not pressing too lightly against the paper stack.
C
HECK
THE
PAPER
Make sure you are using paper that meets the printer specifications.
M
AKE
SURE
THE
PRINTER
IS
CLEAN
OR
IS
NOT
CONTAMINATED
WITH
PAPER
DUST
Clean the exterior of the printer
1
Make sure that the printer is turned off and unplugged from the wall outlet.
Warning—Potential Damage:
To avoid the risk of electric shock when cleaning the exterior of the printer, unplug the power
cord from the wall outlet and disconnect all cables to the printer before proceeding.
2
Remove paper from the standard exit bin.
3
Dampen a clean, lint-free cloth with water.
Warning—Potential Damage:
Do not use household cleaners or detergents, as they may damage the finish of the printer.
Print quality guide
Page 6 of 12

4
Wipe only the exterior of the printer, making sure to include the standard exit bin.
Warning—Potential Damage:
Using a damp cloth to clean the interior may cause damage to your printer.
5
Make sure the paper support and standard exit bin are dry before beginning a new print job.
M
AKE
SURE
THE
PAPER
FEED
ROLLERS
ARE
CLEAN
AND
ARE
NOT
CONTAMINATED
WITH
DUST
1
Turn the printer off using the power switch, and then unplug the power cord from the wall outlet.
2
Remove the paper feed rollers.
Note:
For instructions on how to remove and reinstall the paper feed rollers, see the setup sheet that came with the rollers
inside the compartment box of Tray 1.
3
Dampen a clean, lint-free cloth with water.
4
Clean the paper feed rollers.
Warning—Potential Damage:
Do not touch the rubber. Doing so will damage the rollers.
5
Reinstall the paper feed rollers.
Note:
Make sure to replace the worn or defective paper feed rollers.
Solid color pages
M
AKE
SURE
THE
PHOTOCONDUCTOR
IS
NOT
DEFECTIVE
AND
IS
INSTALLED
CORRECTLY
Remove and then reinstall the photoconductor. If the problem continues, then the photoconductor may need to be replaced.
Streaked horizontal lines appear on prints
ABCDE
ABCDE
ABCDE
Try one or more of the following:
Print quality guide
Page 7 of 12

S
ELECT
ANOTHER
TRAY
OR
FEEDER
•
From the printer control panel Paper Menu, select Default Source.
•
For Windows users, select the paper source from Print Properties.
•
For Macintosh users, select the paper source from the Print dialog and pop-up menus.
M
AKE
SURE
THERE
IS
NO
WORN
,
DEFECTIVE
,
OR
EMPTY
TONER
CARTRIDGE
Replace the worn, defective, or empty toner cartridge.
C
LEAR
THE
PAPER
PATH
AROUND
THE
TONER
CARTRIDGE
CAUTION—HOT SURFACE:
The inside of the printer might be hot. To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Clear any paper you see or clean any visible toner from the paper path. If the problem persists, then contact Customer Support.
Streaked vertical lines appear on prints
ABCDE
ABCDE
ABCDE
Try one or more of the following:
S
ELECT
ANOTHER
TRAY
OR
FEEDER
•
From the printer control panel Paper menu, select Default Source
•
For Windows users, select the paper source from Print Properties.
•
For Macintosh users, select the paper source from the Print dialog and pop-up menus.
M
AKE
SURE
THERE
IS
NO
WORN
,
DEFECTIVE
,
OR
EMPTY
TONER
CARTRIDGE
Replace the worn, defective, or empty toner cartridge.
C
LEAR
THE
PAPER
PATH
AROUND
THE
TONER
CARTRIDGE
Check the paper path around the toner cartridge.
CAUTION—HOT SURFACE:
The inside of the printer might be hot. To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Clear any paper you see.
M
AKE
SURE
THERE
IS
NO
TONER
IN
THE
PAPER
PATH
Print quality guide
Page 8 of 12

Print is too dark
Try one or more of the following:
C
HECK
THE
DARKNESS
,
BRIGHTNESS
,
AND
CONTRAST
SETTINGS
The Toner Darkness setting may be too dark, the Brightness setting may be too dark, or the Contrast setting may be too high.
•
Change these settings from the printer control panel Quality menu.
•
For Windows users, change these settings from Print Properties.
•
For Macintosh users:
1
Choose
File
>
.
2
From the “Orientation pictures” menu, choose
Printer Features
.
3
Choose a lower value for the Toner Darkness, Brightness, and Contrast settings.
L
OAD
PAPER
FROM
A
FRESH
PACKAGE
The paper may have absorbed moisture due to high humidity. Store paper in its original wrapper until you use it.
A
VOID
TEXTURED
PAPER
WITH
ROUGH
FINISHES
C
HECK
THE
P
APER
T
YPE
SETTING
Make sure the paper type setting matches the paper loaded in the tray or feeder:
•
From the printer control panel Paper menu, check the Paper Type setting.
•
For Windows users, check this setting from Print Properties.
•
For Macintosh users, check this setting from the Print dialog.
Print is too light
Try one or more of the following:
Print quality guide
Page 9 of 12

C
HECK
THE
DARKNESS
,
BRIGHTNESS
,
AND
CONTRAST
SETTINGS
The Toner Darkness setting may be too light, the Brightness setting may be too light, or the Contrast setting may be too low.
•
Change these settings from the printer control panel Quality menu.
•
For Windows users, change these settings from Print Properties
•
For Macintosh users:
1
Choose
File
>
.
2
From the Orientation pictures drop-down menu, choose
Printer Features
.
3
Choose a higher value for the Toner Darkness, Brightness, and Contrast settings.
L
OAD
PAPER
FROM
A
FRESH
PACKAGE
The paper may have absorbed moisture from high humidity. Store paper in its original wrapper until you use it.
A
VOID
TEXTURED
PAPER
WITH
ROUGH
FINISHES
C
HECK
THE
P
APER
T
YPE
SETTING
Make sure the Paper Type setting matches the paper loaded in the tray or feeder:
•
From the printer control panel Paper menu, check the Paper Type setting.
•
For Windows users, check this setting from Print Properties.
•
For Macintosh users, check this setting from the Print dialog.
Transparency print quality is poor
Try one or more of the following:
C
HECK
THE
TRANSPARENCIES
Use only transparencies that meet the printer specifications.
C
HECK
THE
PAPER
TYPE
SETTING
Make sure the paper type setting is set to Transparency:
1
From the printer control panel Paper menu, check the Paper Type setting.
2
Before sending the job to print, specify the correct type setting:
•
For Windows users, specify the type from Print Properties.
•
For Macintosh users, specify the type from the Print dialog.
Print quality guide
Page 10 of 12

Toner specks
Try one or more of the following:
M
AKE
SURE
THERE
IS
NO
DEFECTIVE
TONER
CARTRIDGE
Replace the defective or worn cartridges.
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
DEFECTIVE
Replace the defective photoconductor unit.
C
ALL
CUSTOMER
SUPPORT
Toner fog or background shading appears on the page
Try one or more of the following:
M
AKE
SURE
THE
TONER
CARTRIDGE
IS
INSTALLED
CORRECTLY
OR
IS
NOT
DEFECTIVE
Reinstall or replace the defective toner cartridge.
M
AKE
SURE
THE
TRANSFER
MODULE
IS
NOT
WORN
OR
DEFECTIVE
Replace the worn or defective transfer module.
M
AKE
SURE
THE
PHOTOCONDUCTOR
UNIT
IS
NOT
WORN
OR
DEFECTIVE
Replace the word or defective photoconductor unit.
M
AKE
SURE
THE
FUSER
IS
NOT
WORN
OR
DEFECTIVE
Replace the worn or defective fuser.
M
AKE
SURE
THE
PRINTER
HAS
RECALIBRATED
RECENTLY
Perform color adjust from the Quality menu.
M
AKE
SURE
THE
APPLICATION
HAS
NOT
SPECIFIED
AN
OFF
-
WHITE
BACKGROUND
Check the application settings.
M
AKE
SURE
NO
TONER
IS
IN
THE
PAPER
PATH
Contact customer support.
Print quality guide
Page 11 of 12

Toner rubs off
Try one or more of the following:
C
HECK
THE
PAPER
TYPE
AND
WEIGHT
SETTINGS
Make sure the paper type and weight settings match the paper loaded in the tray or feeder:
1
From the printer control panel Paper menu, check the Paper Type and Paper Weight settings. Change the Paper Weight
setting from Normal to Heavy.
2
Before sending the print job, specify the correct paper type setting:
•
For Windows users, specify the paper type from Print Properties.
•
For Macintosh users, specify the paper type from the Print dialog.
C
HECK
THE
PAPER
TEXTURE
SETTING
From the printer control panel Paper menu, make sure the Paper Texture setting matches the paper loaded in the tray or feeder.
If necessary, change the Paper Texture setting from Normal to Rough.
M
AKE
SURE
THE
FUSER
IS
NOT
WORN
OR
DEFECTIVE
Replace the worn or defective fuser. For more information, see the instruction sheet that came with the replacement part.
Print quality guide
Page 12 of 12