42114101 Rev.1
84 /
Item
No.
Specification
Drawing
Adjustment method
4–2
1
±
0.5
Confirm followings.
(1) When the change
lever is set at
Friction position,
the gap between
the platen and the
paper pan at the
rear side shall be
1
±
0.5mm.
(2) When the change
lever is set at
Rear or Bottom
position, the gap
between the pla-
ten and the paper
pan at the front
side shall be
1
±
0.5 mm.
4–3
Confirm followings.
(1) When the change
lever is set at
Friction position,
all the pressure
rollers shall be
pressed to the
platen.
(2) When the change
lever is set at
Rear or Bottom
position, the gap
between the pla-
ten and the pres-
sure roller at the
rear side shall be
3mm. The front
pressure rollers
shall be pressed
to the platen.
Gap between the
platen and the paper
pan
Pressure roller
Paper pan
Front pressure
roller
Platen
Rear
Bottom
Change lever
(Center friction)
Rear, Bottom
position
Friction
position
Paper pan
(Rear,
Bottom
position)
1
±
0.5
Platen
1
±
0.5
(At friction)
Bottom
Rear
Change lever
Gap between the
platen and the pressure
roller
Summary of Contents for ML490 Series
Page 1: ...42114101 Rev 1 1 135 ML490 491 PRINTER Maintenance Manual ODA...
Page 2: ...42114101 Rev 1 2...
Page 38: ...42114101 Rev 1 38 Drive gear Ink tank Ribbon cartridge Figure 2 6...
Page 48: ...42114101 Rev 1 48 Change arm Change lever Platen Release cam Figure 2 13 REAR TOP BOTTOM...
Page 96: ...42114101 Rev 1 96 9 Carriage Assy NK2 10 SUS Bearing portion of guide roller EM 30L B...
Page 119: ...42114101 Rev 1 119 6 8 9 7 1 2 3 11 10 4 5 Figure B 2 Printer General Assy...
Page 124: ...42114101 Rev 1 124 9 12 11 1 13 3 7 1 14 5 6 7 2 10 8 Figure B 4 Carriage Assy...