Epson Artisan 810 Service Manual page 136

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
1. Make sure of the installing condition and correct it if there is any gap. (See
4-59.)
2. Install the Head FFC to the Printhead. (See
3. Install the Printhead to the Carriage Unit, and secure it as follows:
When tightening the screws that secure the Printhead; to avoid
C A U T I O N
burring the slot, first align the screw to the hole, and turn it to
the left slightly to engage the threaded parts of the screw and
the hole correctly, then tighten it.
Make sure to follow the specified tightening torque.
When securing the Printhead, make sure to observe strictly the
following. Otherwise, the Printhead may be secured at an
angle, which may adversely affect the print quality.
3-1. Place the hand on the center of the Printhead, and align the screws (x3)
with the screw holes to temporary tighten the screws 1 and 2 alternately
by 90 degrees slowly while pressing the Printhead in the direction of the
arrow shown in Fig. 4-60.
3-2. Tighten the screw 3 to the same level as the screws 1 and 2 before
completely tighten them.
3-3. Tighten the screws slowly by 90 degrees in the order shown in
to secure the Printhead.
1
Printhead
3
Figure 4-60. Assembling the Printhead (1)
DISASSEMBLY/ASSEMBLY
Fig.
4.2.5.1 Printhead Step5 (p134).)
Fig. 4-60
1) Place the hand lightly on
this point to press the
2
Printhead, and temporary
tighten the screws 1 and 2
alternately by 90 degrees.
2) Tighten the screw 3 to the
same level as the screws 1
and 2.
3) Tighten the screws slowly
by 90 degrees in the order
to secure the Printhead.
C.B.P. 2x10 (3.0±0.5Kgfcm)
Disassembly Procedures
If the SEAL JOINT,H shown in
C A U T I O N
to replace it with a new one.
Make sure to follow the steps below for connecting the Ink Supply
Tube Assy to the Printhead in order to prevent ink leakage.
The SEAL JOINT,Hs easily stick together. Therefore, it is
recommended to keep them in the Shipping Cleaning Liquid
"CR06A" (Parts number: 6104713 or 6104714) when storing
them in order to avoid them from getting stuck together.
When installing the SEAL JOINT,H, make sure to align its
holes with the ink supply holes on the Printhead.
"Assembling the Printhead" Step4
Do not attach the SEAL JOINT,H to the Ink Supply Tube Assy
before connecting the Ink Supply Tube Assy to the Printhead or
otherwise cause the SEAL JOINT,H to attach improperly. This
will reduces adhesion between the Printhead and the Ink Supply
Tube Assy, and may result in ink leakage.
Ink Supply Tube Assy
SEAL JOINT,H
Figure 4-61. SEAL JOINT,H
Revision G
Fig. 4-61 is once removed, be sure
(See
(p137).)
Do not attach the SEAL JOINT,H to
the Ink Supply Tube Assy before
connecting the tube to the Printhead.
Doing so causes the SEAL
JOINT,H to attach improperly and
may result in ink leakage.
Improperly attached SEAL JOINT,H
SEAL JOINT,H come unstuck
weakens the adhesion.
136
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