HP 815MFP - Manual (Page 63)

hp designjet 815mfp & scanner 4200 57
will take place automatically as soon as the original enters the
insertion slot. A delay factor can be set for automatic paper loading
giving you time to position the original correctly.
Pressing the Paper Forward Key during scanning will stop the
scanning process and the original will be fed through the scanner
while the key is held down.
The Reverse key stops the current scanning process and reverses the
original. The original will be fed backwards through the scanner
while the key is held down.
paper ready light
The Paper Ready light comes on as soon as the drawing is
inserted into the original’s insertion slot and correctly positioned.
Then the original can be moved into the start-of-scan position either
by pressing the Paper Forward Key or through automatic loading.
The Paper Ready light is green for normal thin media and yellow for
thick media.
The Paper Ready light stays ON, signifying that the scanner is ready
to be controlled from the computer. During scanning the Ready light
will blink. At end of scanning the Ready light will stop blinking,
signifying that scanning can be repeated from the computer, or else
terminated by ejecting the drawing from the scanner.
tell me about scanner maintenance
Keep out dust and reduce maintenance time. Cover your scanner
with the plastic dust cover when not in use.
Caution: Make sure the scanner power is OFF when using the
scanner dust cover.
about
Scanner calibration should become a habit for those who value
high quality and precision in their results. Much too often, incorrect
output on expensive media would have been avoided if the scanner
had recently been calibrated.