Error (149) Developer Unit Pressure Failure; Error (152) Tray 2 Power Failure - Lexmark Optra C Service Manual

5045-001

Error (149) Developer Unit Pressure Failure

FRU
1 Poor connection
2 Door switch
3 Developing unit
4 Developing
rotary position
sensor
Toner cartridge
position sensor
Mechanical
controller PCB

Error (152) Tray 2 Power Failure

FRU
1 Poor connection
2 Power supply
unit
Paper feeder
driver PCB
Mechanical
controller PCB
DC controller
PCB
Action
Check the connection on the mechanical controller
PCB connector J2016.
Turn the machine off and disconnect the power cord.
Disconnect connector J7 from the power supply unit.
When you turn the door switch (SW2) ON, is there
continuity between connectors J7-1 (+24VB) and J7-
2 (+24VA)? Replace the door switch.
Watch the developer unit motor during POST. Does
the developing unit motor rotate? Replace and
check as follows:
1. Developing unit motor.
2. Mechanical controller PCB.
Check the connections on the mechanical controller
PCB connector J2006, toner cartridge position
sensor connector J59 and developing rotary position
sensor position sensor J60. Replace and check as
follows:
1. Toner cartridge position sensor.
2. Developing rotary position sensor.
3. Mechanical controller PCB.
Action
Check the connections on the paper feeder driver
PCB connector J355 and power supply unit
connector J361. Reconnect them.
Replace the paper feeder power supply unit.
Replace and check as follows:
1. Paper feeder driver PCB.
2. Mechanical controller PCB.
If the problem remains, replace the DC controller
PCB.
See "DC Controller Board Information" on page
Diagnostic Information 2-29
2-2.