Service manual

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
Troubleshooting Troubleshooting by Symptom 55
3.4.4 Problems with Interfaces
This section provides how to troubleshoot problems on the USB interface and memory card slot.
 USB interface error
 Memory card-related problems (R360/R380/R390 only)
Table 3-21. Troubleshooting USB Connection Errors
Possible Cause Check Point Remedy
The printer driver has not been
installed correctly.
On the Windows PC, go to My Computer, Properties, Hardware, Device
Manager. Is the printer driver associated with Other Devices?
Uninstall the driver and reinstall it correctly following the
instruction described in the User’s Guide.
USB cable failure
Replace the USB cable with a new one. Does the USB communication
between the printer and PC return to normal?
The USB cable is defective. Use the new one.
Poor connection of the USB
terminals
Is there any foreign matter on the USB terminal? Remove the foreign matter.
Main Board failure Is the Main Board damaged or broken? Replace the Main Board.
Table 3-22. Troubleshooting Memory Card Problems
Possible Cause Check Point Remedy
Memory card data failure (data in the
card may have been damaged by
static electricity or etc.)
Using other device such as PC, check the memory card if files in the card can
be read normally. Can the device also not read the files?
Advise the user to format the memory card or use a new one.
Unsupported memory card
Is the memory card a type not supported by the printer? Use a memory card supported by the printer.
Memory card failure
Replace the card with another one.Does the printer recognize the card? The card is defective. Use the another one.
Contact failure
Is there any foreign matter attached to the memory card or in the card slot? Remove the foreign matter or dirt.
Is there any bent or broken pins in the card slot? Replace the Card Board.
Firmware failure
– Download and install the latest firmware.
Electric noise
Check inside the printer. Is there any disconnected FFCs, or ferrite cores not
located properly?
If no such statuses are found, replace the Main Board.
Main Board failure
Is the Main Board damaged or broken? Replace the Main Board.