Table 38. Character voids and dropouts

 

 

 

Possible cause

Action

 

 

 

Printing on the wrong side of

1. Check for the arrow on the paper wrapper. Make sure that the paper is

 

 

 

the paper. The label on the

loaded to correspond with the arrow pointing up in Tray 1, or pointing down

 

 

 

ream of paper indicates

in other trays.

 

 

 

which side to print on. The

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

 

 

 

different surface properties

3. Check the paper (or other print media) type and quality. Replace the

 

 

 

of some papers might cause

paper, and advise the customer to use the recommended media and to store

 

 

 

problems if the paper is

it correctly.

 

 

 

loaded wrong-side-up.

 

 

 

 

 

 

 

 

 

Media surface is too rough.

Use paper with the correct finish (smoothness) to meet HP specifications.

 

 

 

 

 

 

 

 

Media surface is too smooth

Use paper with the correct finish (smoothness) to meet HP specifications.

 

 

 

for proper toner adhesion.

 

 

 

 

 

 

 

 

 

Bad transparencies.

Use HP-approved transparencies for monochrome LaserJet printers (see

 

 

 

Transparencies can have

the HP LaserJet Printer Family Paper Specification Guide).

 

 

 

this problem because they

 

 

 

 

are not designed for proper

 

 

 

 

toner adhesion.

 

 

 

 

 

 

 

 

 

Printer’s operating

Make sure that the printer’s operating environment (and paper storage

 

 

 

environment does not meet

environment) meets specifications.

 

 

 

specifications.

 

Dirty fuser roller is lifting part of the image from the paper.

Process a cleaning page (see page 67). Several pages might be required if the fuser is very dirty.

Defective or nearly-empty

Replace the toner cartridge.

toner cartridge.

 

Wrong toner density setting. From the print-quality menu on the control panel, adjust the toner density

 

setting. Make sure EconoMode is off.

Wrong fuser setting for the

From the paper-handling menu on the control panel, change the fuser mode

media type.

setting or choose another media type from the printer driver.

 

 

Bad transfer roller. If the

Clean the transfer roller using a dry, lint-free cloth. Do not touch the transfer

transfer roller has finger oils

roller with your fingers. If the problem persists, replace the transfer roller.

on its surface, is dirty or is

 

worn out, this problem can

 

result.

 

 

 

Poor high-voltage contacts

Inspect the contacts and clean them if they are dirty, or replace them if they

between dc controller and

are damaged.

toner cartridge or transfer

 

roller.

 

 

 

The dc controller is

Replace the dc controller.

defective (low transfer

 

voltage).

 

Q1860-90918

Chapter 7 Troubleshooting 213

www.GovTechMedia.com

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HP 5100LE manual Character voids and dropouts, HP LaserJet Printer Family Paper Specification Guide