Phaser 6125/6130 Color Laser Printer Service Manual 5-9
Print-Quality Troubleshooting
Pattern IOT
This test print provides the printer’s built-
in test pattern. This test is used to
identify problems with the printer
function or the Image Processor Board.
The colors should be aligned vertically
and horizontally. Compare the print with
the following chart to determine the
problem.
■ Fail: Check the printer controller or
the MCU Board.
■ Pass: Check the Image Processor
Board.
Grid 2 ESS
This test print provides the Controller
built-in grid pattern sample. This test is
used to identify problems with the printer
function. Compare the print with
following chart to determine the problem.
■ Fail: Check the printer function and
the Image Processor Board.
■ Pass: Check the network
connection, cable, PC...etc.