HP 1055CMHP - Manual (Page 56)

System Error Codes
2-22
HP DesignJets 1050C and 1055CM Printers Service Manual
System Error: 0B000B
Problem
Description: Pump or Pressure Sensor not working.
Corrective Action: Try the following:
n Check that the cable from the Ink Supply Station (ISS) PCA to
the Ink Supply Station is correctly connected.
n Check that the Air Pressurization System Sensor Cable is
correctly connected and is NOT damaged.
n Check all the tubes of the APS and make sure they are NOT
pinched or damaged.
n Faulty APS Sensor, APS Valve or APS Motor. Replace the
complete APS
⇒
Page 8-20.
n If the error code continues, replace the Electronics Module
⇒
Page 8-25.
WARNING Only replace one component at a time and check if the error has
gone before replacing another component. Using this procedure
you will be able to determine exactly which component failed.
System Error: 0B000C
Problem
Description: Serial Device ADC test failure.
Corrective Action: Replace the Electronics Module
⇒
Page 8-25.
System Error: 0B000D
Problem
Description: 24 V source test failure.
Corrective Action: Replace the Electronics Module
⇒
Page 8-25.