Inoperative Printer; Symptom Service Checks - Lexmark W820 Service Manual

Symptom Service Checks

Do the following before entering the Symptom Service Checks:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
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15.

Inoperative Printer

The printer appears to be dead. When you switch on the printer, the Operator Panel LEDs
do not light, the LCD remains blank, the Fuser Fan does not rotate, and the printer does
not go into warm-up.
Step Actions and Questions
1 AC POWER CORD INSPECTION
Inspect the AC Power Cord.
Is the AC Power Cord in good condition, and is it plugged
into the printer and is the other end plugged into an AC
wall outlet?
2 AC POWER CHECK
Measure the voltage at the AC wall outlet.
Is there approximately 110VAC (or 220VAC if the printer is
the 220VAC model) at the AC wall outlet?
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Service Manual
Is the AC power provided at the wall outlet within specifications for this printer; either
110VAC or 220VAC?
Is the AC power cord in good condition; neither frayed nor broken?
Is one end of the AC power cord connected to the printer?
Is the other end of the AC power cord plugged into a grounded three-prong AC wall
outlet?
Is the printer located in an area where the temperature and humidity are moderate
and stable as recommended in General Specifications?
Is the printer located in an area free of dust?
Is the printer located away from water outlets, steamers, electric heaters, volatile
gases, or open flames?
Is the printer shielded from the direct rays of the sun?
Does the printer have the correct ventilation space around all sides as
recommended in - General Specifications?
Is the printer sitting on a level and stable surface?
Is the paper stock used in the printer as recommended in the User Manual?
Does the customer use the printer as instructed in the User Manual?
Are consumables replaced at the intervals recommended in General Specifications?
Do you have access to Printer Diagnostics and do you know how to use them?
Are all of the printer assemblies in place and are all printer covers and doors firmly
closed?
4025-XXX
Yes No
Go to step 2 Plug the AC
Power Cord
into the printer
and into an
AC wall outlet
Go to step 3 Troubleshoot
the AC power
at the wall
outlet