HP 72SI User Manual download pdf (Page 141)

Extended Power Down and Restart 5-21

Extended Power Down

and Restart

UNDER NORMAL OPERATION, DO NOT POWER DOWN THE

PRINTER. Constant vacuum at the printheads is required to pre-

vent ink from running out of the printheads.

If the power must be removed for a brief period of time, you can

leave the carriage over the service station (not the capping sta-

tion) to allow the ink, which will no longer be held inside the

printheads by the vacuum/pressure system, to drain into the

excess ink reservoir. Power up the printer as soon as possible and

cap the printheads if the printer will be idle for four hours or

more.

Optionally, you can maintain power to the vacuum system for a

brief period of time by using the auxiliary 24 volt power supply,

included in the printer accessory kit. This will prevent ink from

running out of the printheads, but may not prevent the print-

heads from drying out. If the printer will be powered down for

an extended period, follow the procedure below.

Power Down If it is necessary to power down the printer for an extended

period, for example in order to store or ship it, empty the ink

from the printheads, and cap the heads.

Note

This process takes approximately 2-1/2 hours and 1

liter of SolaChrome-HR Cleaning Solvent to per-

form. Make sure that there is a sufficient amount of

Cleaning Solvent in the reservoir before performing

this procedure.

1. Unload media, if any is loaded (see “Unloading and Cutting

Roll-Fed Media” on page 3-25).

2. On the Front Page screen, press the  (Menu) key to enter

the menu system.

3. Press the ) key repeatedly to highlight Maintenance.

4. Press the  (Menu In) key display the Maintenance menu.

5. Press the ) key repeatedly to highlight Prep for Storage/

Shipping.

6. Press the  (Menu In) key.

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HP 72SI User Manual Page 141