EPSON Stylus Pro 7400/7800/9400/9800
Revision B
Disassembly & Assembly
Disassembly Procedure
232
4.2.4 Removing the Circuit Boards
4.2.4.1 BOARD ASSY., MAIN
See Section 4.2.3.6 on page 225.
2. Disconnect the following connectors and FFCs from the BOARD ASSY., MAIN.
Figure 4-39. Connector Locations
C A U T I O N
Do not insert FFCs into the connectors at an angle. Doing so may
damage, short, or break the terminals in the connector resulting in
a breakdown of the elements on the board.
Table 4-3. Connectors and FFCs Connected to the BOARD ASSY., MAIN
Connector No.
Color
Number of
Pins
Destination
CN1
White
14
P/S BOARD ASSY. (CN001)
CN9
---
20
PANEL ASSY.
CN10
---
3
P Rear Sensor
CN13
White
3
Relay harness (CR MOTOR ASSY.)
CN14
White
2
Relay harness (PF MOTOR ASSY.)
CN15
Black
4
Relay harness (Pressure Motor)
CN16
White
4
Relay harness (Pump Motor)
CN17
---
31
BOARD ASSY., SUB (CN1)
CN18
---
31
BOARD ASSY., SUB (CN2)
CN20
---
31
BOARD ASSY., SUB (CN4)
CN21
---
26
BOARD ASSY., SUB; B (CN1)
CN23
---
26
BOARD ASSY., SUB; C (CN1)
CN25
Black
3
Relay harness (Right VACUUM FAN ASSY.)
CN26
Red
3
Relay harness (Middle VACUUM FAN ASSY.)
CN27
Yellow
3
Relay harness (Left VACUUM FAN ASSY.)
CN31
White
3
Regulator Solenoid (relay harness)
Connect the FFCs to their correct positions matching the numbers
written on the FFCs with those printed on the board as shown in
CN17, CN18, CN20, CN21, CN23
Figure 4-38. Reconnecting FFCs
CN20
CN21
CN25
CN1
CN9
CN10
CN18
CN17
CN23 CN27
CN31
CN15
CN16
CN14
CN13
CN26
BOARD ASSY., MAIN
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 ...