User's Manual

Service Tests and Utilities
4-14
HP DesignJets 500, 510 and 800 Series Printers Service Manual
Service Utilities
The following is a list of all internal Service Utilities available in the
Printers. Instructions for entering the Service Utilities menu are
given on Page 4-15.
1 EEROM Setup ⇒ Page 4-17
The purpose of this Service Utility is to modify identification
parameters such as serial numbers, as well as the Font Type. This
only needs to be performed when EEROM failures cannot be
recovered where both the current EEROM (located in the Main
PCA) and the backup EEROM (located in the Ink Supply Station)
contain false values or because both of them have failed.
2 Turn Drive Roller ⇒ Page 4-22
The purpose of this Service Utility is to rotate the Drive Roller in
order to clean it.
3 Unlock Carriage ⇒ Page 4-23
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.
4 Prime Tubes ⇒ Page 4-24
The purpose of this Service Utility is to prime the Ink Supply Tubes
after they have been replaced (or if a situation arises where you need
to force the priming procedure).
5 Change Cutter ⇒ Page 4-25
The purpose of this Service Utility is to move the Cutter Assembly
to a position where it can be replaced.
6 Change Ink Tubes ⇒ Page 4-26
The purpose of this Service Utility is to move the Carriage
Assembly to a position where it makes the removal of the Ink
Supply Tubes much easier.
7 Printer Information ⇒ Page 4-27
The purpose of this Utility is the following:
 Report basic parameters for call qualification.
 Identify potential problems.