Lexmark E320 Service Manual - Page 137

Diagnostic aids, Diagnostic aids (320/E322), Performing self test, Information priority

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3. Diagnostic aids 4500-E320/E322 Note: For information about models E220/E321/E323 see "Diagnostic aids (E220/E321/E323)" on page 3-35. Diagnostic aids (320/E322) This chapter describes procedures you can use to identify printer failures and verify that repairs have corrected the problem. Performing self test At power-up, each light turns on and off in reverse sequence, starting with Press Button and ending with Ready. Each light remains on for approximately one second, but no more than approximately two seconds. This cycling repeats as needed during the execution of the self test. The printer performs the cycle at least once. Additional cycles can be interrupted at any point in the cycle indicating the self test is complete. Information priority The priority for displaying information on the operator panel is: 1. Service information 2. Top cover open 3. All other information in the order of occurrence Diagnostic aids 3-1

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Diagnostic aids
3-1
4500–E320/E322
3.
Diagnostic aids
Note:
For information about models E220/E321/E323 see
“Diagnostic aids (E220/E321/E323)” on page 3-35
.
Diagnostic aids (320/E322)
This chapter describes procedures you can use to identify printer
failures and verify that repairs have corrected the problem.
Performing self test
At power–up, each light turns on and off in reverse sequence,
starting with Press Button and ending with Ready. Each light
remains on for approximately one second, but no more than
approximately two seconds. This cycling repeats as needed during
the execution of the self test. The printer performs the cycle at least
once. Additional cycles can be interrupted at any point in the cycle
indicating the self test is complete.
Information priority
The priority for displaying information on the operator panel is:
1.
Service information
2.
Top cover open
3.
All other information in the order of occurrence