Maintenance; Cleaning; Lubrication - Epson LQ-300 + Service Manual

EPSON LQ-300+

6.1 Maintenance

Appropriate maintenance is necessary to keep the printer in the best condition and
prevent from troubles.

6.1.1 Cleaning

Use neutral detergent or diluted alcohol to clean the dirt on the outside. Vacuum dust or
a small piece of papers inside the printer.
When performing the maintenance, remove the AC cable from
W A R N I N G
the AC socket.
Never touch the printhead right after printing, as it is highly
heated.
Never use thinner, tricren, or ketone solvent, as it may deform or
C A U T I O N
deteriorate the plastic parts or rubber parts.
Use the specified amount of the specified oil.

6.1.2 Lubrication

Lubrication poinsts of LQ-300+ are as shown in the following table. Refer to the table
for types and amount of oil to be used for each point. Oil and grease have a great affect
on performance of the product, especially on the durability and the performance at the
lower temperature. EPSON determines what kind of and how much of oil to be applied
based on various information and analysis.
Table 6-1. Grease and Oil Amount
Type Name
Grease G-26
Oil O-2
Maintenance
Quantity Availability Part No.
40g EPSON B702600001
40cc EPSON B710200001
Table 6-2. Lubrication Points
Fig. Lubrication Points
3 shafts and 2 bosses of the left frame
6-1
Shaft of RD ratchet
6-2 Teeth of Gears at the left frame
6-3 3 places on the 3 shafts of the right frame
2 places on inside of cam at slope surface of the
6-4
release lever
Shaft of the PF roller drive and the rear driven PF
6-5
roller.
6-6 Paper guide from the back side at 4 places
Lubricate G26 on the surface of Drive Tractor
6-7
Shaft.
6-8 Oil pad
6-9 Touching parts of the 2 sides of the base frame.
2 touching position with the CR motor assembly
6-10
from the inside of the base frame.
Installing shaft of the combination gear, 17.5, 27
6-11
of the right frame.
Touching position of the grounding platen spring
with platen shaft.
6-12
Spur gear 34
NOTE: Lubrication must be applied during the re-assembly process.
For lubrication points, refer to the following figures.
Maintenance
Revision C
Lubricant Quantity
G-26 1/2 grain of rice
G-26 1 grain of rice
G-26 1/2 grain of rice
G-26 1 grain of rice
G-26 1 grain of rice
G-26 1/2 grain of rice
G-26 1 grain of rice
G-26 1/2 grain of rice
O-2 0.28-0.32cc
G-26 40mm x 2 places
1/2 grain of rice
G-26
x 2
G-26 1/2 grain of rice
G-26 1 grain of rice
G-26 10mm
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