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Service Guide OF1000
Chapter 4 Failure & Repair Analysis
4.6.01 Self-Diagnosis
The Self-Diagnosis verifies operation of the LED Page Printer, and confirms the presence of Random
Access Memory (RAM) and Read-Only Memory (ROM). The ROM Version is also displayed on the
printout. Refer to RAP 08 if the Self-Diagnosis should fail.
Procedure
1. Press
SELECT FUNCTION.
2. Press
COPY
twice.
3. Press
LEFT ARROW
three times.
NOTE:
After approximately 90 seconds, the test results will be printed.
Interpret the report (Refer to the sample) as follows.
· Pattern 1 - All White Image for 64 lines
· Pattern 2 - Alternating Black/White Image (64 columns by 64 lines)
· Pattern 3 - All Black Image for 64 lines
· Pattern 4 - Gray Image for 128 lines
· Pattern 5 - All White Image for 64 lines
· M-ROM Version (Main Controller)
· M-ROM Check (Main Controller)
· M-RAM Check (Main Controller)
· P-ROM Version (Printer Controller)
· P-ROM Check (Printer Controller)
· P-RAM Check (Printer Controller)
· Status of optional RAM card (if installed)
· Printout of TX and RX Counters
NOTE:
Summary of Contents for OF1000
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