Phaser 6180 Color Laser Printer Service Manual 5-9
Print-Quality Troubleshooting
Test Prints
This section provides information for how to analyze test prints. A variety of 
test prints are available for determining the quality of output from the printer 
and to assist in troubleshooting the problems.
■ No Image IOT
■ TestPat600 IOT
■ Grid 2 ESS
■ Cyan 20% ESS
■ Magenta 20% ESS
■ Ye l l o w  2 0 %  E S S
■ Black 20% ESS
■ CYM 20% ESS
■ Gradation ESS
No Image IOT
This test print provides a sample of blank page. This test is used to identify 
problems with the printer function.
■ Fail: Check the printer function.
■ Pass: Check the network connection, cable, PC...etc.
s6180-318