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Problem Resolution5Ć68
Entering Test Mode on the HP FAX-700 and FAX-750
To reach the test mode menu on the HP FAX-700, press buttons in the following sequence:
Press & hold the
Stop button.
→
Menu
→
Release the
Stop and Menu
buttons.
→
→
7
→
0
→
0
The following message appears in the message (LCD) window:
Service Menu (01–12)
01: Print Tests
You are now at the test (service menu) level. Use the up or down arrow button to browse through the test modes avail-
able. When the service menu selection you wish to perform is in the message window follow the instructions under the
heading for each test to perform the test.
Test Mode 01 (Print Tests) on the HP FAX-700 and FAX-750
While the “01: Print Tests” is in the message window, press the Enter button. Use the up or down arrow button to
browse through the available print tests. The available tests are as follows:
D Skew/Nozzle Check
Checks that all pen nozzles are firing.
Checks that the pen nozzles are firing at the top and bottom lines of the print area.
D Smear Check
Prints a very fine mesh of lines over the entire print area. Any tendency toward smearing will be
revealed by this test.
D Black Pattern
Prints a heavy dark pattern over the entire print area. Clogged pens or pens that are not firing due
to breaks in the firing circuitry will be revealed by this test.
D Bi-Dir Skew Check
Prints 6 horizontally oriented bands of vertical lines. Each band is labeled with a print delay
number (11 through 16). The print delay for the Skew/Nozzle Check (print test 1) is set for each
fax machine at the factory to the level that provides the straightest vertical lines.
Caution When performing test number 01, the skew/nozzle check, do not alter the print delay setting,
Doing so will adversely affect machine output.
To perform any of the print tests, press the Enter button while the test is in the message window. If you are running
tests 2, 3, or 4, type the number of copies you want (1 to 99) and press the Enter button. If you are running test 1, press