Lexmark W820 Service Manual - Page 71

Service Checks, Is the printer sitting on a level and stable surface?

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4025-Finisher Service Checks Before entering the service checks: 1. Is the AC power provided at the electrical outlet within specifications for this printer; either 110 V ac or 220 V ac? 2. Is the AC power cord in good condition; neither frayed nor broken? 3. Is one end of the AC power cord connected to the printer? 4. Is the other end of the AC power cord plugged into a grounded three-prong AC electrical outlet? 5. Is the printer located in an area where the temperature and humidity are moderate and stable? 6. Is the printer located in an area free of dust? 7. Is the printer located away from water outlets, steamers, electric heaters, volatile gases, or open flames? 8. Is the printer shielded from the direct rays of the sun? 9. Does the printer have adequate ventilation space around all sides? 10. Is the printer sitting on a level and stable surface? 11. Is the paper stock used in the printer as recommended in the User Manual? 12. Does the customer use the printer as instructed in the User Manual? 13. Are consumables replaced at the recommended intervals? 14. Do you have access to Printer Diagnostics and do you know how to use them? 15. Are all of the printer assemblies in place and are all printer covers and doors firmly closed? Diagnostic Information 2-11

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Diagnostic Information
2-11
4025-Finisher
Service Checks
Before entering the service checks:
1.
Is the AC power provided at the electrical outlet within specifications for this printer;
either 110 V ac or 220 V ac?
2.
Is the AC power cord in good condition; neither frayed nor broken?
3.
Is one end of the AC power cord connected to the printer?
4.
Is the other end of the AC power cord plugged into a grounded three-prong AC
electrical outlet?
5.
Is the printer located in an area where the temperature and humidity are moderate
and stable?
6.
Is the printer located in an area free of dust?
7.
Is the printer located away from water outlets, steamers, electric heaters, volatile
gases, or open flames?
8.
Is the printer shielded from the direct rays of the sun?
9.
Does the printer have adequate ventilation space around all sides?
10.
Is the printer sitting on a level and stable surface?
11.
Is the paper stock used in the printer as recommended in the User Manual?
12.
Does the customer use the printer as instructed in the User Manual?
13.
Are consumables replaced at the recommended intervals?
14.
Do you have access to Printer Diagnostics and do you know how to use them?
15.
Are all of the printer assemblies in place and are all printer covers and doors firmly
closed?