Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
TROUBLESHOOTING Troubleshooting without Error Message 83
Confidential
3.4.2 Troubleshooting Electrical Problems
Check the points described in the table below when the printer does not operate at all (LED does not light) at power-on.
3.4.3 Troubleshooting I/F-related Problems
This section provides information for troubleshooting problems related to the USB interfaces and the Memory Card Slot.
USB Interface Error
Table 3-23. Troubleshooting Power Supply Problems
Problem Check Point Remedy
Power code failure
Replace the power code with another one, and check
whether the printer is normally powered or not.
Replace the power code with a new one.
Incorrect AC power supply
Does the AC power source match with the requirement of
the printer?
Use the correct power source.
Poor connection of the connectors
Is the Power Supply Unit Cable properly connected to
CN501 connector on the Main Board?
Connect the cable correctly.
The fuse is blown Is the fuse (F1) on the Power Supply Board blown? Replace the Power Supply Board.
Abnormal output of the Power Supply Board
Is a normal voltage being output from the Power Supply
Board? (See Table 3-3.)
Replace the Main Board when the output voltage is normal.
Replace the Power Supply Unit when the output voltage is
abnormal.
Table 3-24. USB I/F Error
Problem Check Point Remedy
Incorrect printer driver installation
Click My Computer - Property - Device Manager on
Windows computer. Is the printer driver is included in the
Other Devices by mistake?
Uninstall the driver and reinstall it correctly referring to the
Users Guide.
USB cable failure
Replace the cable with another one. Does the problem still
occur?
Replace the USB cable.
Poor connection Is the USB terminal free from foreign materials? Remove the foreign material, and clean the contact points.
Main board failure Check the Main Board for any damage. Replace the Main Board.
Card board failure Check the STG Board for any damage. Replace the STG Board.
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