HP 750 - Manual (Page 151)

Troubleshooting C4705-90000 8-33
13. Mono PQ Plot
The purpose of this test is to check the print quality in monochrome at 600 dpi.
Perform the mono PQ plot test as follows:
Load media before performing this test.
1 In the Service Tests submenu, scroll to 13 Mono PQ Plot" and press Enter.
SERVICE TESTS
13 Mono PQ plot
2 The Unidirectional / Bidirectional" message is displayed on the frontĆpanel.
3 Press the Up Arrow to produce the mono PQ plot in a unidirectional mode or press the
Down Arrow to produce the mono PQ plot in a bidirectional mode.
4 The Printing PRESS ENTER when finished" message is displayed on the frontĆpanel
while the plotter produces the mono PQ plot.
5 Press the Enter button when the test has been completed.
6 For more information on troubleshooting the mono PQ plot ' page 9Ć13.