Operating instructions > 34
Rear Feed  Line Spacing Select line feed pitch. 6 LPI 
8LPI
Form Tear-Off When printer is idle (0.5, 
1.0 or 2.0 sec), paper is 
advanced from the 
current print position to 
the tear position. When 
data is received, paper is 
moved to its original 
printing position.
Off
0.5 sec
1.0 sec
2.0 sec
Skip Over 
Perforation
Select whether to skip 
over perforation or not. 
(When a skip over 
perforation command is 
received, the received 
command is given 
priority.)
No
Yes
Page Width 
(Displayed only for 
ML3321ECO and 
ML3391ECO)
Change to 8” to print on 
narrow paper.
345.44 mm (13.6”)
203.2 mm (8”)
Page Length Select the length of a 
continuous form.
279.4 mm (11”)
296.3 mm (11 2/3”)
304.8 mm (12”)
355.6 mm (14”)
431.8 mm (17”)
76.2 mm (3”)
82.6 mm (3.25”)
88.9 mm (3.5”)
101.6 mm (4”)
127.0 mm (5”)
139.7 mm (5.5”)
152.4 mm (6”)
177.8 mm (7”)
203.2 mm (8”)
215.9 mm (8.5”)
GROUP ITEM  FUNCTION  SETS
ML3320ECO/
ML3321ECO
ML3390ECO/
ML3391ECO