Xerox Phaser 6000 Service Manual page 358

Image Quality
5-42
TestPatLPHY[IOT] Test Print
Prints the LPH Y built-in test pattern.
If the test pattern does not print correctly, check the
print process. If the test pattern prints correctly,
check the LED Driver Board and the Image Processor
Board.
TestPatLPHM[IOT] Test Print
Prints the LPH M built-in test pattern.
If the test pattern does not print correctly, check the
print process. If the test pattern prints correctly,
check the LED Driver Board and the Image Processor
Board.
TestPatLPHC[IOT] Test Print
Prints the LPH C built-in test pattern.
If the test pattern does not print correctly, check the
print process. If the test pattern prints correctly,
check the LED Driver Board and the Image Processor
Board.
Xerox Internal Use Only Phaser 6000/6010 and WC 6015 MFP
s6000-188
s6000-189
s6000-190