Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
TROUBLESHOOTING Troubleshooting When There is Error Display 49
Confidential
Factory 
command 
error
30H Error by EEPROM verify command ---
 Checking the following parts and replace the defective one:
Main Board (p.78)
Power Supply Board (p.83)
Head system 
error
40H Transistor ambient temperature abnormal
The thermistor on the 
printhead detected abnormal 
temperature.
 Checking the following parts and replace the defective one:
Printhead (p.85)
Main Board (p.78)
Power Supply Board (p.83)
Replace the Head FFC
41H Error in X-Hot detection before printing
42H Error in X-Hot detection after flushing
43H Head ambient temperature abnormal
Sequence 
error
50H Home seek error
An error occurred in the 
carriage operating sequence.
See Remedy for DC error (CR motor)
51H CR unlocking error
52H CR locking error
53H
Paper detect error before initial charge 
completion
56H
Obstructed sequence error at ink cartridge 
replacement
Sensor error
60H PW detection error (Hi check error)
PW detector trouble
 Checking the PW Sensor (p.36):
Checking the PW Sensor for adhesion of dirt and dust
Checking the connection of the FFC
 Making the following adjustments:
PW Adjustment
 Checking the following parts and replace the defective one:
Head FFC
CR Unit (p.98)
Main Board (p.78)
Power Supply Board (p.83)
61H PW detection error (Low check error)
62H Tray detection (CDR detector 2) error
Sensor trouble
 Checking the operation of the actuator and the connection of the connector.
 Checking the following parts and replace the defective one:
PE Sensor (p.104)
PW Sensor (p.36)
CD-R Tray Sensor (p.36)
Main Board (p.78)
Power Supply Board (p.83)
63H Paper detection error
Table 3-3.  Fatal Errors  (continued)
Category Error Code Error Cause Remedy