EPSON Stylus Pro 7400/7800/9400/9800
Revision B
Troubleshooting
Troubleshooting based on Panel Messages
198
SERVICE CALL 00010035
Description
Pump phase detection error
Possible Causes
A position of the pump cannot be detected after the Pump Motor rotates the
prescribed number of times, or the Pump Phase Sensor is faulty. Or the fuse for the
motor driver power is blown (on the Main Board).
Remedy
Check if the printer can recover from the error by turning it OFF and back ON. If
the error occurs again, replace the Pump Cap Assy. or replace the Main Board
Assy.
SERVICE CALL 00010036
Description
Type-B board installation error
Possible Causes
A Type-B board lower than level 2 is installed.
Remedy
Remove the installed Type-B board.
SERVICE CALL 00010037
Description
Head thermistor error
Possible Causes
The head thermistor is faulty.
The temperature of the thermistor is lower than minus 20 degrees C or higher
than 100 degrees C.
The Head FFC is disconnected, or its contact is poor.
Remedy
1. Check the connection status of the Head FFC and correct it if necessary.
2.
SERVICE CALL 00010038
Description
Transistor thermistor error
Possible Causes
The transistor thermistor is faulty.
The temperature of the thermistor is lower than minus 20 degrees C or higher
than 100 degrees C.
Remedy
SERVICE CALL 0001003E
Description
Pressure Sensor failure
Possible Causes
The Pressure Sensor is ON when an ink pressurizing operation is not
performed. (disconnection of the Pressure Sensor connector, malfunction of
the Pressure Sensor, or Main Board failure)
The inside pressure cannot be reduced to the same level as atmospheric
pressure. (valve failure, Regulator Solenoid failure, Pressure Tube failure, or
Main Board failure)
Remedy
1. Reconnect the Pressure Sensor connector securely.
2. Connect the Pressure Tube.
3.
Replace the PUMP ASSY., SUPPLY
4.
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 ...