Epson L800 Service Manual page 12

L800/L801
1.1.2.2 Factors which Affect the Safety of Service Personnel such as
Ink Leakage during Operation
Ink may spill when removing the following parts from L800/L801.
This section describes the parts that may cause ink spill and the means to
minimize the ink spill when removing the parts.
T
HE PARTS THAT MAY CAUSE INK SPILL WHEN REMOVING
Parts
Joint
Ink Supply
Tank Assy
Ink Supply
Tank Tube Assy
(w/Valve Assy)
Adapter
Ink Supply
Tube Assy
Note : These parts are indicated with the
" 1.2 Disassembly/Reassembly Procedures
Adapter
Ink Supply Tube Assy
Disassembly/Reassembly
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When ink may spill
Removing the Ink Supply Tank Tube Assy
/ Ink Supply Tube Assy from the Joint
¸
Removing the tubes of the Ink Supply
Tank Tube Assy from the Joint
¸
Removing the tubes of the Ink Supply
Tank Tube Assy from the Ink Supply
Tank Assy
Removing the Ink Supply Tube Assy from
the Adapter
¸
Removing the Ink Supply Tank Tube Assy
/ Ink Supply Tube Assy from the Joint
¸
Removing the Ink Supply Tube Assy
from the Adapter
icon in disassembly/reassembly flowchart. (See
(p17)".)
Ink Supply Tank Assy
C Joint
A
Ink Supply Tank Tube Assy
Figure 1-2. Location
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M
EANS DO TO MINIMIZE THE INK SPILL
C A U T I O N
Location
A
A, B
Before disassembling, confirm that the printer is in the following condition.
¸
Choke Valve is closed
C A U T I O N
C
̈
A, C Before disassembling:
Turn the Valve Lever and be sure to close the Choke Valve.
̈
After reassembling is complete:
Open the Choke Valve to perform the print inspection.
̈
Before returning the printer to the user after repairing:
Make sure to turn the Valve Lever up to the choke position to close the Choke
Valve before packing the printer.
Open position
Open position
B
Valve Lever
Valve Lever
Overview
Even observing the points described in this section, ink may
spill in the following situations. Therefore, be careful not to
contaminate the inside of the printer or its surroundings by
preparing the container to receive the leaked ink, or the like.
̈
When removing the Ink Supply Tank Tube Assy (w/
Valve Assy), some ink will spill from both ends of the
tube even the Valve Lever is closed.
̈
When removing the Ink Supply Tube Assy, all the ink in
the tube will spill.
Do not turn the Valve Lever too much when closing the
Choke Valve, otherwise, the Valve Lever and/or Valve Assy
may get damaged.
Choke position
Choke Valve shaft is secured more tightly
Valve Lever
in Choke position than in Open position.
Figure 1-3. Opening/closing the Choke Valve
Revision A
Choke position
(When checking with the
Valve Lever removed.)
Valve shaft
11
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