Error (135) Fuser Unit Fan Motor Failure; Error (136) Electrical Unit Fan Motor Failure - Lexmark Optra C Service Manual

5045-001

Error (135) Fuser Unit Fan Motor Failure

FRU
1 Poor connection
2 Fuser unit fan
Mechanical
controller PCB

Error (136) Electrical Unit Fan Motor Failure

FRU
1 Poor connection
2 Electrical unit
fan
Mechanical
controller PCB
2-24
Action
Check the connection of mechanical controller PCB
connector J2012. Reconnect it.
Turn the machine off. Disconnect mechanical
controller PCB connector J2012. Immediately after
turning the power switch ON, does the voltage
between mechanical controller PCB connectors
J2012-3 and J2012-1 (GND) change from OV to
about 24 V dc?
If yes, replace the fuser unit fan.
If no, replace the mechanical controller PCB.
Action
Check the connection of mechanical controller PCB
connector J2019. Reconnect it.
Turn the machine off. Disconnect mechanical
controller PCB connector J2019. Immediately after
turning the power switch ON, does voltage between
mechanical controller PCB connectors J2019-3 and
J2019-1 (GND) change from OV to about 24 V dc?
If yes, replace the mechanical unit fan.
If no, replace the mechanical controller PCB.