Chapter C

C - 16

Improving the print quality

If you are having problems with print quality, please do a test print first (Menu/Set,4,1).

If the problem appears on the printout, then match it to one of the examples below and follow the

recommendation. If the problem does n ot appear on the test print, please check driver settings

and the interface cables as the problem may not lie with the machine.

Examples of poor print quality Recommen dation
White lines or band s or ribbing
across the page
Check that the mac hine is on a solid level surface.
Check that the back cover is closed properly.
Check that the toner cartridges are installed properly.
Shake the toner ca rtridges gently.
Check that the tran sfer roller is inst alled properly.
Colors are light or unclear on the
whole page
Check that the recommended paper was used. (See Recommended paper on
page2-1.)
Change the paper to freshly unpacked paper, and then check that the problem
is solved.
Check that the back cover is closed properly.
Shake the toner ca rtridges gently.
Clean the laser glass. (See Cleaning the laser glass on page C-24.)
Turn off Toner Save. (See Toner Save on page 3-7.)
White streaks or bands dow n the
page
Clean the laser glass. (See Cleaning the lase r glass on page C-24.)
Identify the missi ng color and replac e that toner cartri dge. (See Replac ing a toner
cartridge on page C-29.)
The toner has prob ably reached the end of its life.
However, when you see a white vertical line on the toner roller, try the following
procedure.
Cut a sheet approx. 1 .97 in. x 1.97 in. (50 mm x 50 mm) out of a t ransparency
film.
Insert the film about 2.54 in. (10 mm) into the gap betw een the toner roller and
the blade.
Slide the film and pu ll it out as shown be low.
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