HP LaserJet 4100 Specifications download pdf (Page 100)

98 Chapter 8 – Problem solving EN

Dropouts

1 Make sure that the environmental specifications for the product are met (see

“General specifications” on page 124).

2 If the paper is rough and the toner easily rubs off, either try changing the fuser mode

to High 1 or High 2, or try using a smoother paper.

3 Try changing to a different paper type.

Lines

1 Print a few more pages to see if the problem corrects itself.

2 Clean the inside of the product (see “Cleaning the product” on page 71) and run a

manual cleaning page to clean the fuser (see “Cleaning the fuser” on page 73).

3 Replace the toner cartridge.

4 Maintenance might be due. Check this by printing a copy of the supplies status page

(see “Information menu” on page 37). If maintenance is due, order and install the

printer maintenance kit (see “Performing preventative maintenance” on page 76).

Gray background

1 Do not use paper that has already been run through the product.

2 Print a few more pages to see if the problem corrects itself.

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

degrees.

4 At the control panel, use the Print Quality menu to decrease the toner density

setting.

5 Make sure that the environmental specifications for the product are met (see

“General specifications” on page 124).

6 Replace the toner cartridge.

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HP LaserJet 4100 Specifications Page 100