Epson 900N, Service Manual

Page: 162 / 201

EPSON Stylus COLOR 900/900N Chapter 6 Maintenance
159
6.7.1 Lubrication Points
Use the table below for guidance when lubricating parts.
NOTE:
„
Use a syringe to apply all lubricants. For the most control,
use the smallest-diameter syringe available.
„
When applying grease, extrude a bead 1 mm wide and as
great in length as that indicated under “Amount.”
„
Never use a syringe without a needle in it.
Table 6-3. Lubrication Points
No. Lubrication Point
Lubricant
Type
Amount Ref. figure
1
Oil Pad on the bottom of the carriage
See “Lubricating the Carriage
Guide Shaft” on page 162.
O-8 0.7 - 0.75 cc —
2
Carriage Guide Shaft
See “Lubricating the Carriage
Guide Shaft” on page 162.
O-8 0.7 - 0.75 cc —
3
The back of the CR Guide Rail
(located on top of the Top Frame)
G-26
1
×
150 mm
Figure 6-1
4
The axle shaft in the Pulley
Tensioning Mechanism
G-26 1
×
1 mm Figure 6-2
5
Two U-shaped forks on the Rear
Paper Guide where they come in
contact with the PF roller
G-26
1
×
5 mm, top
and bottom of
each fork
Figure 6-3
6
The left and right PF roller bushings
• After applying the grease, rotate
the paper feed roller to distribute it
evenly on the bushings.
• Apply the grease to the right
bushing from the paper path side
and wipe off any excess grease
that comes out near the capping
mechanism.
G-26
1
×
10 mm
Figure 6-4
7
The left and right PE roller bushings
• After applying the grease, rotate
the roller to distribute it evenly.
G-26
1
×
2 mm
Figure 6-4
8
The teeth of the gears on the left side
of the printer:
• PF motor gear
• PF roller gear
• PE roller gear
• intermediate gear
After applying the grease, rotate the
gears to distribute it evenly.
G-26
Apply to
about 1/4 to
1/3 of each
gear’s teeth.
—
9
The axle pin on the intermediate gear
referred to in Step 8
G-26 1
×
10 mm —
10
In the Pump/ASF switching
mechanism, the larger gear section of
Combination Gear (14.4, 24)
• Lubricate only the gear surface
that comes in contact with the
metal drive gear.
G-26
1 mm
×
1/4 of
the circumfer-
ence of the
gear
Figure 6-5
11
In the Pump/ASF switching
mechanism, the smaller gear section
of Combination Gear (12,26)
• This is the uppermost combination
gear in the switching mechanism.
G-26
1 mm
×
1/3 of
the circumfer-
ence of the
gear
—
12
In the Pump/ASF switching
mechanism, the teeth of the planetary
gear (the gear that swings up or
down)
G-26
1 mm
×
1/3 of
the circumfer-
ence of the
gear
—
13
In the Pump/ASF switching
mechanism, the gear shafts
G-26
1
×
10 mm
—
14
The teeth of the gears in the Pump
Unit.
G-26
1 mm
×
1/4 of
the circumfer-
ence of the
gear
—
Table 6-3. Lubrication Points (continued)
No. Lubrication Point
Lubricant
Type
Amount Ref. figure