threshold (SP3301-031). 
K 
 ID Pattern adhesion (SP3-300-001)
 Lower limit threshold (SP3-301-091)
 Toner Supply Clutch cumulative time (SP3-301-041)
C 
 ID Pattern adhesion (SP3-300-002)
 Lower limit threshold (SP3-301-092)
 Toner Supply Clutch cumulative time (SP3-301-042)
M 
 ID Pattern adhesion (SP3-300-003)
 Lower limit threshold (SP3-301-092)
 Toner Supply Clutch cumulative time (SP3-301-043)
Y 
 ID Pattern adhesion (SP3-300-004)
 Lower limit threshold (SP3-301-092)
 Toner Supply Clutch cumulative time (SP3-301-044)
S 
 ID Pattern adhesion (SP3-300-005)
 Lower limit threshold (SP3-301-095)
 Toner Supply Clutch cumulative time (SP3-301-045)
Details: 
This SC is issued when the toner end sensor1 continues detecting the presence of 
toner falsely. The presence of toner may be detected falsely in the following 
situations. 
 Toner end sensor 1 cleaner spring broken
 Toner end sensor 1 cleaner spring not set correctly
 Toner end sensor 1 defective