5-10 Phaser 6180 Color Laser Printer Service Manual
Print-Quality Troubleshooting
TestPat600 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.
s6180-152
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