Epson STYLUS PRO 9400 - Page 291

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Disassembly & Assembly Disassembly Procedure 291
4.2.7.7 PUMP ASSY., SUPPLY
1. Remove the COVER, REAR. See Section 4.2.3.6 on page 225.
2. Disconnect the connector both of the Pressure Motor and the Regulator Solenoid
from the relay connectors. See Figure 4-146.
3. Release the harnesses both of the Pressure Motor and the Regulator Solenoid from
the eight retaining clips. See Figure 4-146.
4. Disconnect the connector from the Pressure Sensor. See Figure 4-147.
5. Pull the two TUBE, PRESSURIZINGs shown in Figure 4-147 out of the PUMP
ASSY., SUPPLY.
6. Remove the two screws that secure the PUMP ASSY., SUPPLY. See Figure
4-147.
 Two C.C.S. M3 x 8 screws
7. Lift the PUMP ASSY., SUPPLY obliquely upward to release the tab, and remove
the PUMP ASSY., SUPPLY. See Figure 4-147.
Figure 4-146. Releasing the Harnesses
Figure 4-147. Removing the PUMP ASSY., SUPPLY
C H E C K
P O I N T
The Stylus Pro 7400/7800 has 6 retaining clips for the Pressure
Motor and the Regulator Solenoid.
C A U T I O N
When inserting the two TUBE, PRESSURIZINGs into the PUMP
ASSY., SUPPLY, pay attention to the followings. See Figure 4-147.
 Be careful not to insert them on wrong shafts.
One tube come from the direction of the carriage home position
should be inserted on the lower shaft, and the other tube that
comes from the opposite direction should be inserted on the
upper shaft.
 Make sure to insert them on the shaft as far as they will go.
A D J U S T M E N T
R E Q U I R E D
Whenever the PUMP ASSY., SUPPLY is replaced, the
corresponding adjustment must be carried out. See Chapter 5 on
page 292.
Relay Connector
Retaining Clips
Harness
Retaining Clip
Rear Side of the Printer
Connector
PUMP ASSY.,
SUPPLY
7
Tab
Harness
(Regulator Solenoid)
Harness
(Pressure Motor)
Pressure Sensor
TUBE, PRESSURIZING
(Opposite side of home
direction)
TUBE, PRESSURIZING
(Home position side)
Left Rear of the Printer
C.C.S. M3x8