Ricoh AP305 Operating Instructions Manual page 36

Getting Acquainted
11.
Error indicator
Lights up whenever any printer error oc-
curs. A message describing the cause of
the error also appears on the panel dis-
play. P.56 "Error & Status Messages on
1
the Operation Panel"
12.
Data In indicator
Blinks while the printer is receiving data
from a computer.
Stays on if there is data to be printed.
6