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Chapter 2 Operation of Diagnostic
Epson AcuLaser C2900N
Revision B
Confidential
4.5 Test Print
Print an internal test pattern of the printer. If paper jam or paper empty occurs during the print,
the test waits until they are resolved.
4.5.1 Executing Test Print
1) Power off the printer.
2) Power on the printer while pressing "S" and "T" keys.
3) Release the fingers from these keys when the "CE Mode" and "Password" is displayed.
4) Press "T" key twice and press "OK" key.
5) The "CE Mode" and "ESS Diag" are displayed. (Entered the Diag. mode.)
6) Press "T" key to select "Test Print", and then press "OK" key.
7) Press "S" or "T" key to select an item from "Test Print".
8) Press "OK" key twice to execute the process.
- To exit the test or to return to one step higher menu, press the "STOP" key.
- A test is not performed when an obstacle is in IOT.
4.5.2 No Image IOT
Prints the blanked paper.
4.5.3 Pattern IOT
Prints the IOT built-in 600dpi pattern.
When a PQ problem occurs, this test isolates the problem to the print process or PWBA ESS by com-
paring the print with the sample chart.
Check result: NG (Check the print process.) OK (Check the PWBA ESS.)
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