Dell 3010cn Color Laser Printer - Manual (Page 7)

Specifies whether or not to use another size paper when the paper that is loaded in the specified tray does not match the paper size settings for the current
job.
Values:
Maintenance
Use the Maintenance menu to initialize the NV (non-volatile) memory, configure the plain paper quality adjustment settings, and configure the security settings.
Paper Density
Purpose:
To specify the paper density.
Values:
BTR Adj
Purpose:
To specify the value of the reference voltage for the transfer roller.
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 multipurpose feeder.
Plain 1 Light
Normal*
Label Label 1
Label 2*
Plain 1 0-15
5*
Plain 2 0-15
5*
Transparency 0-15