Sharp FO IS125N - B/W Laser - All-in-One Service Manual page 121

A
2
THERMISTER
ERROR
3
Fuser Temp.
HEATER HIGH
too High
B
B
4
HEATER LOW
L100
IC100 (40pin, 44pin)
(Fax Engine)
CNRTH (Connector)
C, R on route
of CNRTH-40pin of IC100
D101 (Diode)
Temp. detect
Error
Heater control Error
Fuser Temp. Temp. detect
too Low Error
Heater control
Error
No detect zerocross
IC100 (Fax Engine)
signal (/ZC)
CNPW-10pin
C, R on route
of CNPW(10pin)-IC21
5 – 30
IC100 (Fax Engine)
CNRTH (Connector)
Other parts on route
of CNRTH-IC100
IC100 (Fax Engine)
/HLON signal
CNPW-9pin/10pin
Q400
IC100 (Fax Engine)
CNRTH (Connector)
C, R on route
of CNRTH-IC100
CNPW-9pin/10pin
IC401, Q400
/HLON signal
IC100 (Fax Engine)
Safety circuit
IC400 (Comparator)
R, C around above
IC400
IC401
R, C around above
ICs
FO-IS125N