Dell 3100cn Color Laser Printer User Manual page 114

If the wrong font is specified, default European font of the printer can be used.
If header/footer output option is specified, the font specification of header/footer is ignored.
-MSI
Specifies Multipurpose Feeder.
-M=type
Specifies Multipurpose Feeder Paper Type.
Available Multipurpose Feeder Paper Types are as follows.
B
FinePaper/Bond/Plain Paper 2
BB
FinePaperBack/Bond/Plain Paper 2 - Side 2
P
Stationary/Plain/Plain Paper 1
PB
StationaryBack/Plain/Plain Paper 1 - Side 2
H1
ThickPaper/Heavyweight 1/Covers 1
H1B
ThickPaperBack/Heavyweight 1/Covers 1 - Side 2
H2
ThickPaper2/Heavyweight 2/Covers 2
H2B
ThickPaper2Back/Heavyweight 2/Covers 2 - Side 2
OHP
Transparency
L
LabelPaper/Labels
C1
CoatingPaper1/Coated 1/Coated Paper 1
C1B
CoatingPaper1Back/Coated 1/Coated Paper 1 - Side 2
C2
CoatingPaper2/Coated 2/Coated Paper 2
C2B
CoatingPaper2Back/Coated 2/Coated Paper 2 - Side 2
E
Envelope
If this option is not specified, Multipurpose Feeder Paper Type of the printer can be used.
-Mfo=mode
Specifies orientation for Multipurpose Feeder.
Available orientations for Multipurpose Feeder are as follows.