Tektronix PHASER 780 - Manual (Page 43)

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Print Quality Symptoms
Symptom Service Print 1 Solutions
One color has dark toner spots.
■ Run 20 prints.
■ Replace the toner cartridge.
Make sure that you shake the
new toner cartridge vigorously
seven or eight times.
■ Print the Cyan and Magenta
Calibration Pages from the
Help Pages Service
Prints
menu. Then reprint your
file.
On A/A4 paper, a spot appears in
roughly the same position.
On oversize paper, the spot
appears in the same position or
repeats at 264 mm (10.4 in.)
intervals.
■ Replace the imaging unit.
Small random white spots appear
on one or more pages.
■ Print the Cyan and Magenta
Calibration Pages from the
Help Pages Service
Prints
menu. Then reprint your
file.
■ Load a fresh ream of paper.