EPSON Stylus Pro 7400/7800/9400/9800
Revision B
Disassembly & Assembly
Disassembly Procedure
291
4.2.7.7 PUMP ASSY., SUPPLY
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.
3. Release the harnesses both of the Pressure Motor and the Regulator Solenoid from
the eight retaining clips.
4. Disconnect the connector from the Pressure Sensor.
5. Pull the two TUBE, PRESSURIZINGs shown in
out of the PUMP
ASSY., SUPPLY.
6. Remove the two screws that secure the PUMP ASSY., SUPPLY.
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.
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.
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.
Relay Connector
Retaining Clips
Harness
Retaining Clip
Rear Side of the Printer
Connector
PUMP ASSY.,
SUPPLY
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
Summary of Contents for Stylus Pro 7400
Page 1: ...EPSONStylusPro7400 7800 9400 9800 Large Format Color Inkjet Printer SERVICE MANUAL SEIJ05002 ...
Page 10: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 147: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 170: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 207: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 292: ...C H A P T E R 5 ADJUSTMENT ...
Page 373: ...C H A P T E R 6 MAINTENANCE ...
Page 380: ...C H A P T E R 7 APPENDIX ...
Page 385: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 1 of 4 Revison G ...
Page 386: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 2 of 4 Revison F ...
Page 387: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 3 of 4 Revison F ...
Page 388: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 4 of 4 Revison E ...
Page 389: ...Model PX 7500 7500S 9500 9500S Board C594 SUB Sheet 1 Revison C ...
Page 390: ...Model PX 7500 7500S 9500 9500S Board C594 SUB B Sheet 1 Revison E ...
Page 391: ...Model PX 7500 7500S 9500 9500S Board C594 SUB C Sheet 1 Revison D ...
Page 392: ...Model PX 7500 7500S 9500 9500S Board C594 PNL Sheet 1 Revison D ...
Page 396: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 03 R ev 01 C594 E LE C 011 202 201 200 ...
Page 397: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 04 R ev 01 C594 E LE C 021 203 204 ...
Page 398: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 05 R ev 01 C594 POWE 011 300 301 302 ...
Page 403: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 10 R ev 01 C594 ME CH 051 700 701 X15 700 ...
Page 410: ...R ev 01 C595 E LE C 011 200 201 202 PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 03 ...
Page 411: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 04 R ev 01 C595 E LE C 021 204 203 ...
Page 412: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 05 R ev 01 C595 POWE 011 300 302 301 ...
Page 417: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 10 R ev 01 C594 ME CH 051 701 X15 700 700 ...