HP LaserJet 4300 Series Betriebsanweisung PDF herunterladen (Seite 110)

108 4 Problem solving ENWW

Solving repeated paper jams

If paper jams occur frequently, try the following:

Check all the paper-jam locations. (See “Clearing jams” on page 96.) A piece of paper might

be stuck somewhere in the printer. Even a small torn piece of paper in the printer path can

cause repeated jams.

Check that the trays are properly adjusted. (See “Loading trays” on page 42.) The guides

should click into place without being too tight against the paper.

Check that paper is correctly loaded in the trays and that the trays are not overfilled. Make

sure paper is under the tabs and below the maximum-height indicators. See the sections

about loading paper, starting with “Loading trays” on page 42.

Check that all trays and paper-handling accessories are completely inserted into the printer.

(If a tray is opened during a print job, this might cause a jam.)

Check that all covers and doors are closed. (If a cover or door is opened during a print job,

this might cause a jam.)

Try printing to a different output bin. (See “Selecting the output bin” on page 36.)

The sheets might be sticking together. Try bending the stack to separate each sheet. Do not

fan the stack.

If you are printing from tray 1, try reducing the size of the stack.

If you are printing from the optional envelope feeder, make sure it is loaded correctly (with

the bottom envelopes in slightly farther than the top envelopes). (See “Loading envelopes in

the optional envelope feeder” on page 56.)

If you are printing small sizes, feed the paper with the short edge first. (See “Guidelines for

custom-size paper” on page 62.)

Turn over the stack of paper in the tray. Also try rotating the paper 180

Check the characteristics of the paper or other print media that you are using. Use only

paper that meets HP specifications. (See “Paper specifications” on page 182.) Try using

different paper to see if the problem goes away. Do not use curled, deformed, damaged, or

irregular paper.

Check that the environmental conditions for the printer are met. (See “Environmental

specifications” on page 194.)

Avoid using paper that has already been used in a printer or copier.

Try using paper from a freshly opened ream.

Try a different brand of paper.

Do not print on both sides of envelopes or transparencies. (See “Printing envelopes” on

page 51 or “Printing transparencies” on page 59.)

Print only on full sheets of labels and do not print on both sides of label sheets. (See

“Printing labels” on page 58.)

Check that the power supplied to the printer is steady and meets printer specifications. (See

“Electrical specifications” on page 194.)

Clean the printer. (See “Cleaning the printer” on page 87.)

Perform preventative printer maintenance if maintenance is due. (See “Performing

preventative maintenance” on page 91.)

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