Epson Stylus Pro 7400 Service Manual page 291

EPSON Stylus Pro 7400/7800/9400/9800
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.
The Stylus Pro 7400/7800 has 6 retaining clips for the Pressure
C H E C K
P O I N T
Motor and the Regulator Solenoid.
4. Disconnect the connector from the Pressure Sensor.
5. Pull the two TUBE, PRESSURIZINGs shown in
ASSY., SUPPLY.
When inserting the two TUBE, PRESSURIZINGs into the PUMP
C A U T I O N
ASSY., SUPPLY, pay attention to the followings.
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.
6. Remove the two screws that secure the PUMP ASSY., SUPPLY.
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.
Whenever the PUMP ASSY., SUPPLY is replaced, the
A D J U S T M E N T
R E Q U I R E D
corresponding adjustment must be carried out.
page 292.
Disassembly & Assembly
See Figure 4-147.
Figure 4-147 out of the PUMP
See Figure 4-147.
See Figure
See Chapter 5 on
Disassembly Procedure
Relay Connector
Retaining Clips
Harness
Retaining Clip
Figure 4-146. Releasing the Harnesses
Harness
(Regulator Solenoid)
Harness
(Pressure Motor)
PUMP ASSY.,
SUPPLY
Pressure Sensor
C.C.S. M3x8
Figure 4-147. Removing the PUMP ASSY., SUPPLY
Revision B
Rear Side of the Printer
Left Rear of the Printer
TUBE, PRESSURIZING
(Opposite side of home
direction)
TUBE, PRESSURIZING
(Home position side)
7
Tab
Connector
291