Epson Stylus Photo RX650 - 3.2.3 FATAL Error

EPSON Stylus PHOTO RX640/650 Revision A
Troubleshooting Troubleshooting When There is Error Display 28
3.2.3 FATAL Error
C H E C K
P O I N T
 The EEPROM (Address: 3CH) stores the error code of the
latest fatal error.
The latest fatal error can be identified using the adjustment
program.
 In case any fatal error (such as memory check) other than those
in the Printer Mechanism occurs, all the LEDs (x5) flash
without any indication on the LCD. Pressing the Change View
button during flashing will display the error code, so that you
can identify the error from the error code.
Table 3-3. Fatal Errors
Category Error Code Error Cause Remedy
DC error
(CR motor)
01H CR PID speed over error
An error occurred in the CR
motor operating sequence
 Checking the operation of the Carriage Assy;
Move the Carriage Assy by hand, and check to see if it moves smoothly.
 Making the following adjustments
♦Bi-D
♦Paper feed length with PF Assy
♦Paper feed length with Eject Assy
♦PW adjustment
 Checking the following parts and replacing the defective one
♦Checking the head FFC (CN6/7) for disconnection or breakage
♦Checking the lead wires of the CR Motor (CN3)for disconnection or breakage
♦Checking the CR Encoder FFC (CN6) for disconnection or breakage
♦Checking the printer frame for adhesion of dirt or insufficient lubrication (p.79)
♦Checking the CR Guide Shaft for adhesion of dirt or insufficient lubrication
♦Checking the Linear Scale for adhesion of dirt or damage (p.52)
♦Checking the CR Encoder for adhesion of dirt or damage (p.67)
♦Checking the PW Sensor for adhesion of dirt or damage (p.67)
♦Checking the CR Belt for damage or improper tension (p.65)
♦Checking the CR Motor and replacing it if necessary (p.65)
♦Main Board (p.46)
♦Power Supply Board (p.54)
02H CR load positioning lock error
08H CR PID reverse rotation detection error
0AH
CR load positioning accumulation moving
distance error
0BH CR load positioning speed over error
0CH CR PID lock error
0DH CR PID aveTi max error