Service Tests and Utilities
appear on the front panel:
INK PRESSURE SYSTEM
Possible Failure on:
1.APS
2.Electronics Module
Code: 00XXXX:0000XX
In this case, try one of the following:
1Check all the cables of the APS and make sure they are correctly connected and are NOT damaged.
2Check all the tubes of the APS and make sure they are NOT pinched or damaged.
3Replace ALL the Ink Cartridges.
4Replace the complete APS ⇒ Page
5Replace the Electronics Module ⇒ Page
WARNING | Only replace one component at a time and try the Service Test |
| again before replacing another component. Using this procedure |
| you will be able to determine exactly which component failed. |
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HP DesignJets 1050C and 1055CM Printers Service Manual |