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6 - 16 TROUBLESHOOTING
Improving the print quality
If you are having problems with print quality, please do a test print first (press the Set button 3 times).
If the problem appears on the printout, then match it to one of the examples below and follow the
recommendation. If the problem does not appear on the test print, please check driver settings and the
interface cables as the problem may not lie with printer.
You can resolve a print quality problem by replacing a toner cartridge with a new one when the toner
indicators start blinking or the LCD shows the TONER EMPTY message.
Examples of poor print quality Recommendation
White lines or bands or ribbing
across the page
1) Check that the printer is on a solid level surface.
2) Check that the back cover is closed properly.
3) Check that the toner cartridges are installed properly.
4) Shake the toner cartridges gently.
5) Check that the transfer roller is installed properly.
6) Replace the transfer roller.
Colors are light or unclear on the
whole page
1) Check that the recommended paper was used.
2) Change the paper to freshly unpacked paper, and then check that the
problem is solved.
3) Check that the back cover is closed properly.
4) Shake the toner cartridges gently.
5) Clean the scanner dust glass.
White streaks or bands down the
page
Clean the dust proof glass.
Identify the missing color and replace that toner cartridge.
*The toner has probably reached the end of its life.
However, when you see a white vertical line on the toner roller, try the
following procedure.
1) Cut a sheet approx. 50mm x 50mm out of a transparency film.
2) Insert the film about 10mm into the gap between the toner roller and the
blade.
3) Slide the film and pull it out as shown below.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.