Error (143) 5 V / 24 V Supply Failure; Error (144) Temperature/Humidity Sensor Failure; Error (145) Density Sensor Failure - Lexmark Optra C Service Manual

5045-001

Error (143) 5 V / 24 V Supply Failure

FRU
1 Power supply
unit (low
voltage)
DC controller
PCB

Error (144) Temperature/Humidity Sensor Failure

FRU
1 Temperature/
humidity sensor
unit
Mechanical
controller PCB
DC controller
PCB

Error (145) Density Sensor Failure

FRU
1 Density sensor
unit / cable
DC controller
PCB
2-26
Action
Check the connections on the DC controller PCB
connector J101 and power supply unit connector J4.
Replace and check as follows:
1. Power supply unit.
2. DC controller PCB see
Information" on page
Action
Check the connections on the temperature/humidity
sensor unit connector J73, connector J15, and
mechanical controller PCB connector J2005.
Replace and check as follows:
1. Temperature/humidity sensor unit.
2. Mechanical controller PCB.
3. DC controller PCB, see
Information" on page
Action
Check the connections on the density sensor unit
PCB connector J501 and DC controller PCB
connector J103.
Replace and check as follows:
1. Cable.
2. Density sensor unit.
3. DC controller PCB, see
Information" on page
"DC Controller Board
2-2.
"DC Controller Board
2-2.
"DC Controller Board
2-2.