Dell 3110cn Color Laser Printer - Manual (Page 401)

Feed paper from the tray loaded with A5 (148 x 210 mm).
B5
Feed paper from the tray loaded with B5 (182 x 257 mm).
LT
Feed paper from the tray loaded with Letter (8.5 x 11 inches).
FL
Feed paper from the tray loaded with Folio (8.5 x 13 inches).
LG
Feed paper from the tray loaded with Legal (8.5 x 14 inches).
EX
Feed paper from the tray loaded with Executive (7.25 x 10.5 inches).
MO
Feed paper from the tray loaded with Monarch (3.875 x 7.5 inches).
COM10
Feed paper from the tray loaded with Envelope #10 (4.125 x 9.5 inches).
DL
Feed paper from the tray loaded with DL (110 x 220 mm).
C5
Feed paper from the tray loaded with C5 (162 x 229 mm).
PC
Feed paper from the tray loaded with Japanese Postcard (100 x 148 mm).
Y2
Feed paper from the tray loaded with Youkei 2 (114 x 162 mm).
Y3
Feed paper from the tray loaded with Youkei 3 (98 x 148 mm).
Y4
Feed paper from the tray loaded with Youkei 4 (105 x 235 mm).
YT3
Feed paper from the tray loaded with Youchoukei 3 (120 x 235 mm).