Sensor (toner empty) service check
Action Yes No
Step 1
Inspect the print cartridge pulse wheel for damage, and if
necessary, replace the print cartridge pulse wheel.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Reinstall the sensor (toner empty) properly.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
Check the sensor (toner empty) for proper operation.
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “toner.”
Does the display on the operator panel, change every time the
sensing area of the above sensor is interrupted or blocked?
Problem is solved. Go to step 4.
Step 4
Check the above sensor for proper connection. If necessary,
replace the connection or sensor. See
“Sensor (toner empty)
removal” on page 333.
Does the problem remain?
Contact next level of
support.
Problem is solved.
Sensor (fuser output) service check
Action Yes No
Step 1
Check the fuser wiper cover assembly for missing parts or damage,
such as cracks. If necessary, replace the fuser wiper cover
assembly. See
“Fuser wiper cover assembly removal” on
page 375.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Check the sensor (fuser output) for damage. If necessary, replace
the fuser unit assembly. See
“Fuser unit assembly removal” on
page 373.
Does the problem remain?
Go to step 3. Problem is solved.
7462
Diagnostic information
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