5-12 Phaser 6125/6130 Color Laser Printer Service Manual
Print-Quality Troubleshooting
CMY 20% ESS
This test print provides 20% density for
combination of cyan, magenta, and
black on the whole page. This test is
used to identify problems with balance of
three color toners or another toner.
Compare the print with the following
chart to determine the problem.
■ Fail: Check the cyan, magenta, or
yellow Toner Cartridge.
■ Pass: Check the black Toner
Cartridge.
Gradation ESS
This test print provides 2 - 100% density
for cyan, magenta, yellow, or black on
the whole page. This test is used to
identify problems with the printer
function or the Image Processor Board.
Compare the print with the following
chart to determine the problem.
■ Fail: Check the printer function.
■ Pass: Check the Image Processor
Board.