High Voltage Power Supply Error; Density Sensor Error - Lexmark X925 Service Manual

130.xx High voltage power supply error
Step Action and questions
1 Check CN11 on the printhead controller board, and
CN01 on the HVPS for proper connectivity. Are the
connection properly connected?
2 Check the HVPS - printhead controller cable for
continuity. Is there continuity?
3
Replace the HVPS-printhead controller cable. Does
this resolve the problem?
4 Replace the printhead controller board. Does this
resolve the issue?
5 Replace the HVPS. Does this resolve the issue?

132.00 Density sensor error

Step Action and questions
1 Is the density sensor cleaner stuck in place
2 Is the cable connecting the density sensor to CN14 on
the printhead controller board connected securely on
both ends.
3 Check the density sensor cable for continuity. Is there
continuity?
4 Replace the density sensor. Does this fix the problem?
Yes No
Go to step 2 Properly connect
the connections.
Go to step 4. Go to strep 3.
Problem solved Go to step 4.
Problem solved Go to step 5.
Problem solved Contact your
second level
support.
Yes No
Go to step 2 Release the
cleaner. Replace
if damaged.
Go to step 3. Securely connect
the cable.
Go to step 4. Replace the
density sensor
cable.
Problem solved. Replace the
printhead
controller board.
Diagnostic information
7541-03x
2-49