3 lubrication – Epson 440 User Manual
Page 155

EPSON Stylus Color 440/640/740
Revision A
Chapter 6
Maintenance
155
6.1.3 Lubrication
The type and amount of oil and grease used to lubricated the printer
parts are determined based on the results of internal evaluations.
Therefore, be sure to apply the specified type and amount of oil and
grease to the specified part of the printer mechanism during servicing.
C A U T I O N
Never use oil and the grease other than those
specified in this manual. Use of different types of
lubricant can damage the printer and the
components.
Never apply larger amount of lubricant than specified
in this manual.
Table 6-1. Specified Lubricants
Type
Name
EPSON Code
Supplier
Grease
G-26
B702600001
EPSON
Oil
O-12
1038991
EPSON
Table 6-2. Lubrication Point
No.
Standard
Remarks
1
Contact between “ROLLER, PF” and
“PAPER GUIDE, REAR”
Do not put grease around the paper
path.
Use a syringe to apply it.
Apply grease while rotating “GEAR,
67.2”.
A half turn of “ROLLER, PF”
2
Contact points between “PAPER
GUIDE, FRONT” and each roller:
“ROLLER, PF” (1 point)
“ROLLER, EXIT” (2 points)
Lubricate the contact points between
the hooks on “PAPER GUIDE,
FRONT” and each roller.
Avoid applying grease around the
paper path.
Use a syringe to apply it.
10-mm long
2-mm long
3
Contact points between the carriage
assembly and “FRAME, UPPER”
Verify that the carriage moves
smoothly after lubricating it.
Use a syringe to apply it.
Range from the HP sensor
installation point to the point where
“GUIDE PLATE, CABLE” is attached.
4
Gears:
“GEAR, 67.2”
“COMBINATION GEAR, 8, 14.4”
“GEAR, 23.2”
Rotate the gears after applying
grease to evenly distribute it.
Use a syringe to apply it.
1/4 of gear tooth
1/3 of gear tooth
1/3 of gear tooth
1/3 of gear tooth