Epson L800 Service Manual page 11

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 Removing the Ink Supply Tank Tube Assy
/ Ink Supply Tube Assy from the Joint
Ink Supply
Tank Assy
Ink Supply
Tank Tube Assy
(w/Valve Assy)
Adapter Removing the Ink Supply Tube Assy from
the Adapter
Ink Supply
Tube Assy
Note : These parts are indicated with the
" 1.2 Disassembly/Reassembly Procedures
Adapter
C
Ink Supply Tube Assy
Figure 1-2. Location
Disassembly/Reassembly
When ink may spill
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 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
Joint
A
B
Ink Supply Tank Tube Assy
M
EANS DO TO MINIMIZE THE INK SPILL
Even observing the points described in this section, ink may
C A U T I O N
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
Location
tube even the Valve Lever is closed.
A
When removing the Ink Supply Tube Assy, all the ink in
the tube will spill.
A, B
Before disassembling, confirm that the printer is in the following condition.
Choke Valve is closed
Do not turn the Valve Lever too much when closing the
C A U T I O N
Choke Valve, otherwise, the Valve Lever and/or Valve Assy
may get damaged.
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
Valve Lever
Valve Lever
Figure 1-3. Opening/closing the Choke Valve
Overview
Choke position
Choke position
(When checking with the
Valve Lever removed.)
Valve shaft
Choke Valve shaft is secured more tightly
Valve Lever
in Choke position than in Open position.
Revision A
11
Confidential