Power Supply Related Troubleshooting; Ink Supply Related Troubleshooting - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

3.3.2 Power Supply Related Troubleshooting

If the printer does not operate at all (LED does not light up) even with the power turned ON, refer to the following table and perform troubleshooting.
Cause
Defective power cord
Abnormal AC power
voltage
Faulty connection of the
connector
Fuse blown
Abnormal output voltage of
Power Supply Board

3.3.3 Ink Supply Related Troubleshooting

Printer stops during initialization or printing.
Condition Cause
Ink End error is
Ink is out.
displayed.
No Ink Cartridge error is Not all the ink cartridges
displayed. have been installed.
Ink Cartridge Trouble
Ink cartridge is damaged.
error is displayed.
Troubleshooting
Table 3-6. Power Supply Related Troubleshooting
Check Point
Connect the normal power cord.
Check the AC power voltage.
Check the connection between the Power Supply Board
~ Main Board (CN20).
Check the fuse (F1) on the Power Supply Board.
Check the output voltage of the Power Supply Board.
Table 3-7. Troubleshooting for Printer Stop During Initialization or Printing
Check Point
Check to see if ink is remaining in all the ink cartridges. Replace the ink cartridge.
Check to see if all the ink cartridges have been installed
in the I/C holders.
Check to see if no ink cartridge is in a raised position.
The front or back hook of an ink cartridge is broken.
Check to see if the CSIC Board is not dislocated.
Check to see if no chip on the CSIC Board is chipping. Replace the ink cartridge.
Troubleshooting When There is No Error Display
Remedy
Replace the power cord.
Supply the normal power.
Correct the connection.
Replace the Power Supply Board with a new one.
When the output voltage is normal: Replace the Main Board with a new one.
When the output voltage is abnormal: Replace the Power Supply Board with a new one.
Install all the ink cartridges.
Install the ink cartridge properly.
Replace the ink cartridge.
Replace the ink cartridge.
Revision A
Remedy
35