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Chapter 2 Operation of Diagnostic
1.3 How to Enter Diag (C/E) Mode
1. When [Ready to print] is displayed, press and release the " ← " and " → " keys, and then press the
"ON LINE" key within three seconds.
2. Display the initial screen [Diag. Menu Preventive Diag] of the Diag common menu on LCD.
3. When you have entered the Diag (C/E) mode, select a desired menu screen from the common
menu using the " ← " and " → " key.
(1) [Diag. Menu Preventive Diag] → Preventive maintenance menu screen
(2) [Diag. Menu Fault Diag.] → Fault diagnosis menu screen
(3) [Diag. Menu Adjustment] → Adjustment menu screen
1.4 Exiting Diag (C/E) Mode
There are two ways of exiting the Diag (C/E) mode, i.e., through the work non-completion and
completion instructions.
• When you have exited the Diag mode through the work completion instruction, any information on
the Shutdown History and Jam/Fail Counter is cleared automatically.
• When you have exited the Diag mode through the work non-completion instruction, any
information on the Shutdown History and Jam/Fail Counter is transited, not cleared.
• You can exit the Diag mode also by turning OFF/ON the power supply.
• When exiting the Diag (C/E) mode, if a communications error or power failure
occurs while saving the previous HFSI counter, a value of the previous HFSI
counter is not guaranteed.
Procedure:
1. Press the "CANCEL" key to stop the running Diag, if any.
2. In any Diag screen, press and release the " ← " and " → " keys simultaneously, and then press the
"ON LINE" key within three seconds.
3. The Diag Exit screen [Exit Diagnostics Incomplete exit] is shown.
4. Select the [Exit Diagnostics Incomplete Exit] or [Exit Diagnostics Complete Exit] screen using the "
↑ " or " ↓ " key.
When you press the "MENU" key here, you can return to the [Diag. Menu Preventive
Diag] screen of the Diag common menu.
5. Press the "FEED / SELECT" key to fix a selected item. Then, the confirmation message [Not avail-
able If OK press SEL] or [Available If OK press SEL] is shown.
6. Press the "FEED / SELECT" key again to execute the process.
7. Exit the Diag (C/E) mode. (Restart the system in the normal mode.)
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