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Diagnostics Aids
Printer Diagnostic Test
The following tests run sequentially when performing this test:
Standard Memory Test
Optional Memory Test
Microcode Check
LED Test
Read/Write ASIC Register Test
Read/Write ASIC SRAM Test
Read/Write controller board SRAM Test
Perform the following steps to run the Printer Diagnostic Test:
1. Turn the printer off.
2. Open the top cover.
3. Press and hold the operator panel button as you turn on the
printer. Release the button once the printer's indicator lights
come on.
4. Wait until the Error LED (top cover open indication) comes on.
5. Close the top cover.
6. The Ready LED comes on solid and the Data LED blinks. (This is
the printer Busy Mode indication).
7. If all the diagnostic tests run correctly, the Ready LED goes off
and the Data LED continues to blink. If a test fails, the error light
pattern for the service error code displays on the operator panel.
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4026-0XX
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