HP 72SR manual Print Prime Bars Purge-n-Wipe Printheads, Checking Jet Health

Print Prime Bars

Purge-n-Wipe Printheads

1.From the control panel Front Page screen, press the Prime Bars key.

The control panel displays a prompt asking you to enter the total width of the prime bar pattern you wish to print.

2.Enter a width for the prime bar pattern by pressing the ) and , keys.

3.Press the ! (Proceed) key to continue.

The printer prints the prime bar pattern. The prime bars will show correctly working jets with a solid line, and missing jets with no line.

When prime bars indicate missing or deflected jets, automatic jet maintenance should be supplemented by a Purge-n-Wipe operation: air pressure forces ink through the inkjets, then the service station dips the wipers in cleaning solvent and wipes the inkjet orifice plate.

You can purge all sixteen printheads at once or purge a single color (four printheads).

To purge-n-wipe all sixteen printheads:

1.From the control panel Front Page screen, press the Purge key.

The control panel prompts you to press the ! (Proceed) key to continue.

2.Press the ! (Proceed) key to continue.

The printer purges the printheads with air pressure, then wipes them with the service station wipers. Approximately 1 milliliter of ink per color is expelled by this purge.

Checking Jet Health 3-7