Dell 5130 Color Laser User's Guide (PDF) - Page 184

paper size settings for the current job. Values: Off No tray size substitute accepted. Larger Size Substitutes paper of next largest size. When there is no larger paper size, the printer substitutes paper of nearest size. Nearest Size* Substitutes paper of nearest size. MPF Feed Substitutes paper from the MPF. mm/inch Purpose: To specify the default measurement unit displayed after the numeric value on the operator panel. Values: millimeter (mm) Selects millimeter as the default measurement unit. inch (") Selects inch as the default measurement unit. NOTE: The default for mm/inch varies depending on other settings, such as Country and Document Size. Set Available Time Purpose: To specify the time period when printing is available. Values: Off* Does not specify the time period when printing is available. Specifies the time period when printing is available. Start Time Specifies the start time of the time period when printing is available. On End Time Specifies the end time of the time period when printing is available. Recurrence Specifies the day of the week to repeat the setting. Data Encryption Purpose: To disable or enable data encryption when using the printer. Values: Encryption Off* Disables to encrypt the data. On Enables to encrypt the data. Encryption Key Sets a key that is required to encrypt. NOTE: You can enter only characters from 0 to 9, a to z, A to Z, and NULL values for encryption key. HDD Overwrite Mode Purpose: To select to overwrite the hard disk drive and the number of times you can overwrite the disk.