HP ML5590/91 User Manual download pdf (Page 68)

TROUBLESHOOTING > 68

Problem

There are dots missing in my printouts.

Solution

The head gap may not be set correctly. Try moving the headgap lever

to a lower setting. If that doesn’t help, the printhead may be

damaged; call for service.

Problem

The ALARM light is flashing.

Solution

Try turning the printer

OFF

and then back

again. If the light still

blinks, call for service.

Problem

The ALARM light is ON and the Character Pitch 10 light is flashing.

Solution

This indicates that the paper lever is set at the wrong position for the

paper you are trying to use. Move it to the proper setting.

Problem

The ALARM light is ON and the Character Pitch 15 light is flashing.

Solution

This indicates a paper jam. Press the

SEL

key and correct the paper

jam situation. See “Clearing Paper Jams,” in chapter 3.

Problem

The printer needs paper. The ALARM is not ON and I can’t load paper.

Solution

Press and release the

SEL

key.

Press and hold the

SHIFT

key and press the

RESET /

CHARACTER PITCH

key.

The

ALARM

light illuminates and you can now load paper.

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HP ML5590/91 User Manual Page 68