Preventive Maintenance; Applying Lubrication; Table 6-1. Lubrication; Table 6-2. Lubrication Points - Epson LQ-2170 Service Manual

LQ-2170 Service Manual

6.1 PREVENTIVE MAINTENANCE

Preventive maintenance includes regular cleaning of the exterior case using denatured alcohol, as well as
occasional vacuuming of the mechanism interior to remove dust and paper debris. After cleaning the unit,
check that it is adequately lubricated, as described in Section 6.2, below. Before returning the printer to the
customer, inspect springs, paper-feed rollers, and basic operation.
Disconnect the printer from the external AC power source before performing maintenance. Do
not use thinner, trichloroethylene, or ketone-based solvents on the plastic components of the
printer.

6.2 APPLYING LUBRICATION

EPSON recommends the printer be lubricated at the points illustrated in Figure 6-1. Table 6-2 lists each
point along with its recommended lubricant. The recommended lubricants are EPSON G-26 and O-2, which
have been tested extensively and found to comply with the needs of this printer. (Table 6-1 provides details
about these lubricants.) Before applying a lubricant, be sure the surface to be lubricated is clean. Do not
apply too much lubricant, as this may damage nearby parts.
Type
Grease
Oil
Ref. No.
1 Cam surface on the 34.5 mm spur gear
The platen gap adjustment slots on the right
2 frame.
The shaft end of drive roller assembly and the
3
cutout section on the left frame.
4 Oil pad
RD planetary shaft and planetary lever leaf
5
spring
RD housing
6 Side of shafts: 3 points
Inside hole:
RD Assembly
7
Gear teeth:
Note: Lubrication must be applied during the reassembly process.
For lublication points, refer to the figure on the next page.
Rev. A

Table 6-1. Lubrication

Name Quantity
G-26 40 gm
O-2 40 cc

Table 6-2. Lubrication Points

Lubrication Points
1 point
5 points
Availability Part No.
EPSON B702600001
EPSON B703700001
Quantity
2 mm width, halfway
2 mm width, from the
top slot to the 3rd from
the bottom.
About 1/2 the size of a
grain of rice
half of the pad
About 1/2 the size of a
grain of rice.
About 1/2 the size of a
grain of rice
About 1/2 the size of a
grain of rice
Maintenance
Lubricant
G-26
G-26
G-26
O-2
G-26
G-26
G-26
6-1