Kyocera Triumph-Adler P-4025w Operation Manual page 159

Fax Settings > Unusable Time
Set the cancel code
Specify the code to temporarily cancel the unusable setting during unusable time.
1
Enter Unlock Code (0000 to 9999).
2
Select the [OK] key.
NOTE
To use the machine temporarily during unusable time, enter the Unlock Code and select
[Login].
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