Lubrication - Epson Stylus COLOR 440 Service Manual

EPSON Stylus COLOR 440, 640, and 740

6.3 Lubrication

EPSON has carefully determined the best types of oil and grease to use
when lubricating the printer, as well as the optimal quantities to apply.
Therefore, follow the instructions and specifications below when
lubricating the printer.

Never use lubricants other than those specified in
C A U T I O N
Table 6-1. Using other types of lubricants can
damage the printer.

Never apply more lubricant than specified in this
manual. Applying too much lubricant can damage
nearby printer parts.

Make sure all surfaces are clean before lubricating
them.
Table 6-1. Specified Lubricants
Type Name
Grease G-26
Oil O-12
Table 6-2. Lubrication Points
Figure
and
Callout Lubrication Points, Type, and
No. Amount
Fig 6-2, Lubrication Point: where the PF
#1 roller and rear paper guide come into
contact
Lubricant Type: G-26
Lubrication Amount: apply to a half-
turn of the PF roller
EPSON Part Code Supplier
B702600001 EPSON
1038991 EPSON
Remarks

Use a syringe to apply the grease.

Apply the grease while rotating
gear 67.2.

Do not get grease into the paper
path.
Table 6-2. Lubrication Points (continued)
Figure
and
Callout Lubrication Points, Type, and
No. Amount
Fig 6-2, Lubrication Point: where the platen
#2 comes into contact with the following
rollers:
1. Paper feed roller (1 contact point)
2. Paper eject roller (2 contact points)
Lubricant Type: G-26
Lubrication Amount:
1. An area about 3/8 inch (10 mm)
long on the paper feed roller
2. 2 points 1/16 inch (2 mm) long on
the paper eject roller
Fig 6-3, Lubrication Point: along the top
#3 frame where the carriage comes into
contact with it
Lubricant Type: G-26
Lubrication Amount: a small
amount of grease along the whole
length of the top frame
Fig 6-4, Lubrication Point: the teeth of the
#4 following gears:
1. Gear 67.2
2. Gear 23.2
3. Combination gear 8,14.4
Lubricant Type: G-26
Lubrication Amount:
1. Apply to 1/4 of the gear's teeth
2. Apply to 1/3 of the gear's teeth
3. Apply to 1/3 of the gear's teeth
Fig 6-4, Lubrication Point: the mounting
#5 shaft of gear 16,40.8
Lubricant Type: G-26
Lubrication Amount: an area
approximately 3/16 inch (5 mm) long
Chapter 6 Maintenance
Remarks

Use a syringe to apply the grease.

Apply the grease to the platen
hooks where they come into
contact with each roller.

Do not get grease into the paper
path.

Use a syringe to apply the grease.

After applying the grease, make
sure the carriage moves smoothly.

Use a syringe to apply the grease.

After you apply the grease, rotate
the gears to distribute it evenly.

Use a syringe to apply the grease.
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