
Service Tests and Utilities
4-23
HP DesignJets 500, 510 and 800 Series Printers Service Manual
Unlock Carriage
The purpose of this Service Utility is to unlock the Carriage
Assembly which is normally locked by the Service Station in order
to cap the Printheads. Once unlocked, the Carriage Assembly can
then be moved freely along the Printer by hand.
Perform the Unlock Carriage utility as follows:
1 In the Service Utilities submenu, scroll to "Unlock Carriage" and
press Enter.
2 Once the utility starts, the printer will begin to unlock the Carriage
Assembly and the following message will be displayed on the front
panel.
3 Once the Carriage is unlocked (Printheads have been uncapped) the
following message will appear on the front panel:
NOTE The Carriage will remain uncapped until another action (e.g.
loading paper or replacing Printheads) is selected which returns
the Printer to normal operation. Make sure you leave the
Carriage in a locked position once the repair is completed.
Menu
Back
Enter
Service utilities
Change ink tubes
Unlock Carriage
Turn Drive Roller
Prime tubes
EEROM Setup
Unlock Carriage
Unlocking Carriage
Please wait...
Unlock Carriage
Carriage unlocked
Power off the printer
to start the repair
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