Do not use media that is designed for inkjet printers only. Use media that is designed for laser printers.

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.

The product uses heat and pressure to fuse toner to the paper. Make sure that any colored paper or preprinted forms use inks that are compatible with this fusing temperature (200°C or 392°F for 0.1 second).

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.

Problem

Cause

Solution

 

 

 

Poor print quality or toner

The paper is too moist, too rough, too heavy or

Try another kind of paper, between 100 and

adhesion

too smooth, or it is embossed or from a faulty

250 Sheffield, with 4 to 6% moisture content.

 

paper lot.

 

 

 

 

Dropouts, jamming, or curl

The paper has been stored incorrectly.

Store paper flat in its moisture-proof wrapping.

 

 

 

 

The paper has variability from one side to the

Turn the paper over.

 

other.

 

 

 

 

Excessive curl

The paper is too moist, has the wrong grain

Use long-grain paper.

 

direction, or is of short-grain construction

 

 

 

 

 

The paper varies from side-to-side.

Turn the paper over.

 

 

 

 

High fuser temperature is curling the paper.

Turn on the Less paper curl setting.

 

 

At the control panel, press Setup, use the

 

 

arrow buttons to select Service, and then press

 

 

OK. Use the arrow buttons to select Less paper

 

 

curl, press OK, use the arrow buttons to select

 

 

On, and then press OK.

 

 

 

Jamming, damage to

The paper has cutouts or perforations.

Use paper that is free of cutouts or

product

 

perforations.

 

 

 

Problems with feeding

The paper has ragged edges.

Use high-quality paper that is made for laser

 

 

printers.

 

 

 

 

The paper varies from side-to-side.

Turn the paper over.

 

 

 

 

The paper is too moist, too rough, too heavy or

Try another kind of paper, between 100 and

 

too smooth, has the wrong grain direction, or is

250 Sheffield, 4 to 6% moisture content.

 

of short-grain construction or it is embossed or

 

 

Use long-grain paper.

 

from a faulty paper lot.

 

 

 

Print is skewed (crooked).

The media guides might be incorrectly

Remove all media from the input tray,

 

adjusted.

straighten the stack, and then load the media

 

 

in the input tray again. Adjust the media guides

 

 

to the width and length of the media that you

 

 

are using and try printing again.

 

 

 

94 Chapter 11 Problem solve

ENWW

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Image 104
HP M1120 MFP manual Solve print-media problems