d-Color MF4003/MF3303
• Use this feature when the non-image area erase function fails to work properly due to the changes of the surrounding environment at the
installation site.
<Procedure>
1. Press the Start key to start a check.
NOTE
▪ Before the check, make sure that the DF or original cover is completely opened. In addition, make sure that no scratch or
stain exists on the original glass.
2. Check the verification results.
Verification results
Contents
OK
Works properly.
NG1
Works properly. However, data that may interfere with the non-image area erase function was found. (This function
may not work well with dark original.)
NG2
Data that may interfere with the non-image area erase function was found.
NOTE
▪ If the check result is "NG1" or "NG2," reinstall the machine in another place or adjust the orientation of the machine to reduce
light incidence on the machine. Then, perform the check again.
Y119930-3
I-13
I SERVICE MODE > 5. Machine
Service Manual