HP Color LaserJet CM1312 User Manual

8.Close the ADF lid.
Clear jams from the input-tray areas
CAUTION:Do not use sharp objects, such as tweezers or needle-nose pliers, to remove jams.
Damage caused by sharp objects will not be covered by the warranty.
When removing jammed media, pull the jammed media straight away from the product. Pulling jammed
media out of the product at an angle can damage the product.
NOTE:Depending on where the jam is located, some of the following steps might not be necessary.
1.Open the rear output door.
2.With...

3.Remove tray 1, and lift the jam access door.
4.With both hands, grasp the side of the media that is most visible (this includes the middle), and
carefully pull it free from the product.
5.Reinsert tray 1.
6.Close the rear output door.
Clear jams from the output-bin
CAUTION:Do not use sharp objects, such as tweezers or needle-nose pliers, to remove jams.
Damage caused by sharp objects will not be covered by the warranty.
With both hands, grasp the side of the media that is most visible (this includes...

Avoid repeated jams 
●Verify that the input tray is not overfilled. The input tray capacity varies depending on the type of
print media that you are using.
●Verify that the media guides are properly adjusted.
●Check that the input tray is securely in place.
●Do not add print media into the input tray while the product is printing.
●Use only HP-recommended media types and sizes. See 
Paper and print media on page 53 for
more information about print media types.
●Do not fan media prior to loading it in a...

Solve image-quality problems
Print problems
Print quality problems
Occasionally, you might encounter problems with print quality. The information in the following sections
helps you identify and resolve these issues.
NOTE:If you are having copy problems, see Copy problems on page 210.
General print quality issues
The following examples depict Letter-size paper that has passed through the product short-edge first.
These examples illustrate problems that would affect all of the pages that you print,...

ProblemCauseSolution
Vertical streaks or bands appear on the
page.
A
A
A
A
AB
B
B
B
BC
C
C
C
Ca
a
a
a
ac
c
c
c
cb
b
b
b
b
One or more print cartridges might be
defective.Print the Supplies status page to check
the remaining life. See 
Information pages
on page 158.
Replace any low print cartridges. See
Print cartridge on page 176.
The product is set to override the
Replace [color] cartridge message and
to continue printing.Replace any low print cartridges. See
Print cartridge on page 176.
The amount of...

ProblemCauseSolution
Marks repeatedly appear at even 
intervals on the printed side of the page.
The device is not set to print on the type
of media on which you want to print.
In the printer driver, select the  Paper tab 
and set  Type is to match the type of 
paper on which you are printing. Print
speed might be slower if you are using heavy paper.
Internal parts might have toner on them.The problem typically corrects itself after 
a few more pages.
The paper path might need cleaning.Clean the paper...

ProblemCauseSolution
The printed page is curled or wavy.The device is not set to print on the type
of media on which you want to print.In the printer driver, select the Paper tab
and set Type is to match the type of
paper on which you are printing. Print
speed might be slower if you are using
heavy paper.
The Service menu item Less paper
curl is set to Off.Use the control-panel menus to change
the setting. See 
Control-panel menus
on page 10.
The media might not meet HP
specifications.Use a different...

ProblemCauseSolution
An image that appears at the top of the
page (in solid black) repeats farther
down the page (in a gray field).Software settings might affect image
printing.In your software program, change the
tone (darkness) of the field in which the
repeated image appears.
In your software program, rotate the
whole page 180° to print the lighter
image first.
The order of images printed might affect
printing.Change the order in which the images
are printed. For example, have the lighter
image at the...

ProblemCauseSolution
A color is printing inconsistently after you
load a new print cartridge.Another print cartridge might be
defective.Remove the print cartridge for the color
that is printing inconsistently and reinstall
it.
The product is set to override the
Replace [color] cartridge message and
to continue printing.Replace any low print cartridges. SeePrint cartridge on page 176.
The colors on the printed page do not
match the colors as they appear on the
screen.
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc...

●Do not use letterhead paper that is printed with low-temperature inks, such as those used in some
types of thermography.
●Do not use raised or embossed letterhead.
CAUTION:Failure to follow these guidelines could cause jams or damage to the product.
Solve print-media problems
The following problems with media cause print-quality deviations, jamming, or even damage to the
product.
ProblemCauseSolution
Poor print quality or toner
adhesionThe paper is too moist, too rough, too heavy or
too smooth, or it is...