ASF load position reverse error (error code: 000073)

Cause
  • State in which load of ASF motor exceeds expected load
  • When rotated in the opposite direction to rotation direction
    (There was a sudden load error, and the motor rotated in the opposite direction in reaction to it)
  • State in which load of motor exceeds expected load, and motor does not rotate at all
Suspected cause
  • Paper jam paper remaining
  • Paper path damaged and feed roller worn out
  • Gears locking due to foreign object
  • Locked because ASF gear train part failure
  • ASF motor encoder failure
  • PF motor failure
  • Motor driver failure/main board failure
Troubleshooting
Procedure Check and measure Yes No
Advance check 1

Check for foreign object or jammed paper remaining
Is there any jammed paper or foreign object remaining in the paper feed path?

 Go to advance check 2

Remove the jammed paper or foreign object.
Advance check 2

Check the timing of error occurrence
At what timing does the error occur with the product?
Does it occur when the power is turned on?

 Go to step 2 Go to step 1
1

Check the feed roller and conveyance roller.
Check that the feed roller and a conveyance roller is not damaged or not worn out. Is the result OK?

 Go to step 2

Replace the feed roller or replace the Rear Unit.

2

Check the ASF motor operation
Turn on the power and check the ASF motor operation.
Did the ASF motor operate (rotate)?

 Go to step 4

Go to step 3
3

Check the ASF gear train parts
Check that there is no damage to or foreign object on the ASF gear train parts.

Replace the ASF Motor Assy.
Replace the ASF motor assembly. (If the trouble is not resolved, replace the main board)

Remove the foreign object or replace the ASF Motor Assy.
4

Check the ASF motor operation
Is the PF motor operating normally? (The PF motor is not operating abnormally)

Replace the main board
(If the trouble is not resolved after replacing the Main Board, inquire at Epson Service Support department.)

Replace the ASF motor encoder