EPSON Stylus COLOR 440, 640, and 740 Chapter 6 Maintenance
142
Fig 6-5,
#6
Lubrication Point:
the left and right
paper feed roller bushings
Use a syringe to apply the grease.
When you apply the grease to the
right bushing, apply it from the
paper path side and wipe off any
excess grease that comes out
near the capping assembly.
After applying the grease, rotate
the paper feed roller to distribute it
evenly on the bushings.
Lubricant Type:
G-26
Lubrication Amount:
a small
amount equivalent to an area about
1/8 inch (3 mm) in diameter
Fig 6-5,
#7
Lubrication Point:
the left and right
eject roller bushings
Use a syringe to apply the grease.
Do not get grease into the paper
path.
Lubricant Type:
G-26
Lubrication Amount:
apply a small
amount evenly inside the bushings
Fig 6-6,
#8
Lubrication Point:
where the timing
belt tensioning mechanism slides
against the top frame
Use a syringe to apply the grease.
After lubricating it, make sure the
tensioning mechanism slides when
pressure is applied only from the
spring.
Lubricant Type:
G-26
Lubrication Amount:
about 1/16
inch (2 mm) long for each point
Fig 6-7,
#9
Lubrication Point:
the hole in the
right side of the ASF frame that holds
the ASF drive shaft
Use a syringe to apply the grease.
Do not let grease come into contact
with the rubber rollers in the Auto-
Sheet Feeder (ASF).
Lubricant Type:
G-26
Lubrication Amount:
apply lubricant
evenly inside the hole
Fig 6-7,
#10
Lubrication Point:
where the
hopper and the hopper release cams
come into contact
If any grease gets inside the ASF,
wipe it off completely.
Lubricant Type:
G-26
Lubrication Amount:
apply lubricant
evenly to the contact points
Table 6-2. Lubrication Points (continued)
Figure
and
Callout
No.
Lubrication Points, Type, and
Amount
Remarks
Fig 6-3,
#11
Lubrication Point:
the hole in the
left side of the ASF frame where gear
34 is inserted
If any grease gets inside the ASF,
wipe it off completely.
Lubricant Type:
G-26
Lubrication Amount:
apply lubricant
evenly inside the hole
Fig 6-1,
#12
Lubrication Point:
the oil pad in the
carriage unit
Lubricate the oil pad only if:
1. You’re replacing the carriage
assembly.
2. You’re replacing the oil pad.
Use a syringe to apply the oil.
Wait for the oil to soak evenly into
the pad before installing the pad in
the carriage unit.
If you accidentally apply too much
oil to the pad, throw it away and
use a new one.
Lubricant Type:
O-12
Lubrication Amount:
0.7 cc
NOTE: This is the amount that should
be applied to a new pad when you’re
replacing an old one.
Table 6-2. Lubrication Points (continued)
Figure
and
Callout
No.
Lubrication Points, Type, and
Amount
Remarks