Service manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
TROUBLESHOOTING Troubleshooting When There is No Error Display 57
Confidential
3.3.4 I/F Related Troubleshooting
This section describes the troubleshooting for the USB I/F and Memory Card Slot.
 USB I/F error
 Troubleshooting for Memory Card Slot
Table 3-13. USB I/F Error
Cause Check Point Remedy
Host PC does not
support Windows
98 essentially.
On Windows, open “My computer”
“Property”“Device manager”.
“Universal serial bus controller” is
effective?
Remove the USB driver, and
install it again.
Printer driver is
not installed
correctly.
On Windows, open “My computer”
“Property”“Device manager”.
Printer driver is installed in “Other
devices” by mistake?
Delete the driver and install it
again according to operation
manual.
Defective USB
cable
Operation is normal if USB cable is
replaced?
Replace the USB cable.
Poor contact
Check to see if there is no adhesion of
foreign matters in the USB interface
connector.
Remove the foreign matters,
and clean the contact.
Defective main
board
Check to see if the main board is not
damaged.
Replace the main board.
Table 3-14. Troubleshooting for Memory Card
Cause Check Point Remedy
Driver has not
been installed
correctly.
Check to see if a memory card
is recognized in the single Assy
mode.
Temporarily remove the driver, and then
install it again.
Data has been
destroyed.
Data on card may be destroyed
due to static electricity.
Check to see if card data is read by a
PC. If not, format the card.
A memory card
other than those
specified is used.
Check the card to see if it is one
of the specified cards.
Use a specified memory card.
Memory card is
faulty.
Check to see if another Memory
card can be recognized.
Use a new memory card.
Poor contact.
Check to see if foreign matters
are not adhering to memory
card or slot.
Remove the foreign matters, and clean
the contact.
Firmware has
abnormality.
--- Update firmware.
Electric noise, etc.
has been
generated.
Check to see if the FFC is
connected correctly and the
Ferrite Core is positioned in
place inside the printer.
After the confirmation, if they have no
abnormality, replace the main board.
Defective main
board
Check to see if the main board
is not damaged.
Replace the main board.