Oki OKIOFFICE44 Service Manual page 319

(2) The basic rotation cycle of the toner sensor is as follows:
T time
Basic rotation cycle of toner sensor
4.9 sec.
Toner low time
t1 > 1.2 sec.
Toner full time
1.2 sec. > t1 >
Print Operation Description B - 15 OKIOFFICE 44
Service Manual, P/N 59276801