Re-Erasing An Image Plate - AGFA CR 25.0 User Manual

Re-erasing an image plate

At the end of a normal or emergency digitizing cycle, the CR 25.0
erased image plate
plate before re-using it in order to prevent ghost images from interfering with the
image of interest:
• If the image plate has not been used for more than 3 days.
In this case, the image plate may have been exposed to stray radiation.
• If an image plate has been exposed to an exceptionally high X-ray dose.
In this case, deep layers of the image plate may still retain a latent image after
standard erasure. Leave the image plate to rest at least one day before re-erasing
it.
You can erase image plates which you have given the status 'to be erased' via the
ID Station or image plates which have the status 'erased'.
Re-erasing image plates with status 'erased'
To re-erase an image plate which has been erased as part of a normal or
emergency digitizing cycle:
1 Check that the CR 25.0 is ready for operation:
• the CR 25.0 must display the operator main screen with 'Ready' status, e.g.:
CR 25.0
• the status indicator at the top of the CR 25.0 must be green and be lit constantly.
2 Press the Erase key on the keypad.
42
. However, in the following cases, you must re-erase the image
Status
READY
returns an
2312A EN 20040909