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EPSON LQ-300+ Revision C
Maintenance Maintenance 78
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.
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.
NOTE: Lubrication must be applied during the re-assembly process.
For lubrication points, refer to the following figures.
W A R N I N G
When performing the maintenance, remove the AC cable from
the AC socket.
Never touch the printhead right after printing, as it is highly
heated.
C A U T I O N
Never use thinner, tricren, or ketone solvent, as it may deform or
deteriorate the plastic parts or rubber parts.
Use the specified amount of the specified oil.
Table 6-1. Grease and Oil Amount
Type Name Quantity Availability Part No.
Grease G-26 40g EPSON B702600001
Oil O-2 40cc EPSON B710200001
Table 6-2. Lubrication Points
Fig. Lubrication Points Lubricant Quantity
6-1
3 shafts and 2 bosses of the left frame G-26 1/2 grain of rice
Shaft of RD ratchet G-26 1 grain of rice
6-2 Teeth of Gears at the left frame G-26 1/2 grain of rice
6-3 3 places on the 3 shafts of the right frame G-26 1 grain of rice
6-4
2 places on inside of cam at slope surface of the
release lever
G-26 1 grain of rice
6-5
Shaft of the PF roller drive and the rear driven PF
roller.
G-26 1/2 grain of rice
6-6 Paper guide from the back side at 4 places G-26 1 grain of rice
6-7
Lubricate G26 on the surface of Drive Tractor
Shaft.
G-26 1/2 grain of rice
6-8 Oil pad O-2 0.28-0.32cc
6-9 Touching parts of the 2 sides of the base frame. G-26 40mm x 2 places
6-10
2 touching position with the CR motor assembly
from the inside of the base frame.
G-26
1/2 grain of rice
x 2
6-11
Installing shaft of the combination gear, 17.5, 27
of the right frame.
G-26 1/2 grain of rice
6-12
Touching position of the grounding platen spring
with platen shaft.
G-26 1 grain of rice
Spur gear 34 G-26 10mm
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