Cleaning; Lubrication - Epson TM-U375 Technical Manual
Impact dot matrix printer
Hide thumbs
Also See for TM-U375:
- User manual (72 pages) ,
- Specifications (2 pages) ,
- Information manual (80 pages)
Table of Contents
Advertisement
CONFIDENTIAL
3.2.2 Cleaning
Wiping off stains
Wipe off stains with a clean dry cloth. If the stains cannot
be wiped off, use a neutral detergent.
Note:
To avoid damaging the printer, do not use benzine, alcohol,
thinner, trichloroethylene, or ketone-based solvents on
plastic and rubber components of the printer.
Cleaning dust, paper particles, and dirt
Cleaning with a vacuum cleaner is recommended. Thor-
oughly clean the printer components.
Note:
After cleaning is completed, verify that each lubrication
point is adequately lubricated. If not, lubricate with the
specified lubricant.
3.2.3 Lubrication
To maintain optimal printer performance over the longest
possible period, apply the specified lubricant to the lubrica-
tion points according to the lubrication schedule below.
Lubrication standards
When lubricating parts during assembly and disassembly
of the printer, clean the parts before lubricating them.
If lubricant is wiped off during cleaning, or disassembly or
parts replacement is performed, be sure to lubricate the
appropriate points, even if it is not yet time for the periodic
lubrication.
Lubricants
The performance and life of the printer is greatly affected by
the lubricant applied. Therefore, pay careful attention to
lubricant specifications, especially to the low temperature
characteristics.
The lubricants for the printer are chosen based on technical
information analysis and tests on various lubricants by
Epson. Epson supplies Epson specified lubricants in 40 cc
(gr) plastic containers (the minimum supply unit).
Four lubricants, G-31, G-36, O-2, and O-3, may be applied
to the printer.
Lubrication points
Refer to Section 6.4, General Lubrication Points Diagrams .
The numbers in the left column of Table 3-2, Lubrication
points for printer mechanism unit , correspond to the num-
bers in the figures in Section 6.4.
Lubrication schedule: When the printer is overhauled or
3-8
after every 5 million print lines.
Table 3-2. Lubrication Points for Printer Mechanism
Unit
No.
Lubrication Point
1
On J feed roller shaft, about 3 mm (.12")
inside from the crescent ring attaching
groove
2
Contact portion of paper feed clutch spring
hook and paper feed clutch plate bending
portion
3
Contact portion of Paper feed clutch plate
and yoke
4
Paper feed roller shaft between E-ring
attaching groove and Paper feed clutch
spring
5
Spring hook and paper feed clutch bent
plate attaching portions of J feed roller
shaft holder
6
Two contact portions of guide frame and J
holding roller shaft
7
Two contact portions of Paper holding
lever and S holding roller shaft
8
Contact portion of paper holding lever long
hole and Spring pin
9
Contact portion of S holding roller shaft
and S holding rollers
10
Two Pulley-Belt drive mounting shafts
11
Gear-Intermediate transmission mounting
shaft
12
Gear-Transmission mounting shaft
13
Gear-Ribbon intermediate mounting shaft
14
Gear-Ribbon transmission mounting shaft
15
Ribbon take-up shaft ass'y mounting shaft
16
Hole of Pulley-Belt drive
17
Two E-rings on Ribbon driving plate ass'y
18
Contact portion of Shaft-Carriage guide A
and Carriage sub ass'y
19
Two Oil rings on Carriage sub ass'y
20
Paper take-up drive pulley A mounting
shaft
21
Contact surface (two points) of Platen
holder and main frame
22
Contact portion of Linked lever and main
frame
23
Linked lever spring external surface
Type
G-36
G-36
O-3
G-36
G-36
G-36
G-36
G-36
G-36
G-31
G-31
G-31
G-31
G-31
G-31
G-31
G-31
O-2
O-2
G-36
G-36
G-36
G-36
Advertisement
Table of Contents
Troubleshooting
