HP DesignJet 650c User Manual download pdf (Page 33)

3-13Installation and Configuration

PEN CHECKING

Ink usage for cartridges may vary depending upon the ratio of color versus monochrome

plotting and the extent of each color used. Cartridge replacement is necessary only when any

of the following conditions occur:

Pen Checking is ON and you elect to replace the cartridges when the plotter

prompts you.

Poor plot quality indicates an out of ink condition or the cartridges appear clogged.

When Pen Checking is ON (default), the plotter checks the pens both before and after each

plot for proper electrical contact and nozzle function.

If either of the problems exist, the plotter displays the message ªService pens/Continueº,

You may elect to either ignore the message and continue by pressing the Down Arrow or

select ªService pensº by pressing the Up Arrow button. If you select ªService pens,º the

display tells you whether a pen needs to be replaced (nozzles aren’t working) or reseated

(poor electrical contact). The defective pen position is indicated by a flashing icon in the front

panel display.

When Pen-checking is OFF, the plotter does not check the pens for the above problems; the

only way you’ll be able to tell if you need to replace or reseat a pen is if your print quality is

poor. Use the ink level indicators on the cartridges to check ink levels.

Perform the following steps to change the current pen checking selection.

1. Press Enter button and use the arrow buttons to scroll to the Utilities menu.

2. Press Enter button and use the arrow buttons to scroll to ªMenu Modeº. Press

the Enter button.

3. Use the arrow buttons to toggle to ªFullº and press the Enter button.

4. Use the Previous button to return to the Status display.

5. Press Enter button and use the arrow buttons to scroll to the Plotter setup menu.

Press the Enter button.

6. Using the arrow buttons, scroll to ªPen checkº and press the Enter button.

7. Using the arrow buttons to toggle the options, select the option you want (ªOFFº or

ªONº) and press the Enter button.

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HP DesignJet 650c User Manual Page 33