2.With the message window showing SET MODE NO. =, press Dial/Space four times. The unit sounds beep each time you press Dial/Space. This is normal.

3.Press L“ ”.

4.With the message window showing SET MODE NO. = (ENTER 0 - 10), press any number 0 through 10 t select test modes 0 through 10. See Table 5-31 for a list of test mode numbers.

5.Press Start to enter the test mode.

6.Press Stop to exit test mode (if necessary) and return to standby mode.

Test Mode 0 on the HP FAX-900 and FAX-950 (Printing a GPM Self-Test Pattern)

When test mode 0 is selected and the Start button is pressed, the HP fax machine will cause th mechanism) to print a test pattern. See Figure 5-10 for an illustration of the typical test pat 0.

Firmware Date Code or

Revision Number

Print Cartridge

Nozzles Test

Mechanism

Alignment Test

Figure 5￿10.￿ GPM￿ Self￿Test￿ Pattern￿ (Test￿ Mode￿ 0)

5￿64 Problem Resolution

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HP FAX-700 manual Firmware Date Code or