Diagnostic information 2-93
7541-03x
Printhead service check
Transfer belt up down check
Step Action and questions Yes No
1 Check the LED for any dirt or toner that may distort the
image. Is the LED dirty?
Go to step 2. Go to step 3.
2
Clean the LED. Did this fix the problem? Problem solved Go to step 3.
3
Check the ribbon cable for proper connectivity to the
defective printhead, and the printhead controller
board.Is the cable properly connected?
Go to step 5. Go to step 4.
4
Properly connect the cable on both ends. Did this fix
the problem?
Problem solved Go to step 5.
5
Check the cable for continuity. Is there continuity? Go to step 6. Go to step 7.
6
Replace the defective cable. Did this fix the problem? Problem solved Go to step 7.
7
Replace the printhead. Did this fix the problem? Problem solved Go to step 8.
8
Replace the printhead controller board. Did this fix the
problem?
Problem solved Contact you
second level
support.
Step Action and questions Yes No
1 Is the transfer belt position sensor actuator jammed or
broken?
Replace the
transfer belt.
Go to step 2.
2
Is the belt position sensor cable connected to the
sensor and CN9 on the engine board?
Go to step 3 Properly connect
the cable at both
ends.
3
Replace the belt position sensor. DId this fix the
problem?
Problem solved. Go to step 4.
4
Replace the engine board. Did this fix the problem? Problem solved. Contact your
second level
support.
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