Ricoh G179 - 4.7 SC TABLES: SC5 XX -2

SC Tables: SC5xx -2
G179 4-16 SM
4.7 SC TABLES: SC5XX -2
Fusing thermistor open (center)
The thermistor (center) detects 0°C or less for 5 sec.
541 A
 Fusing thermistor disconnected
 Fusing thermistor connector defective
Fusing temperature warm-up error(center)
This SC is generated if the following condition occurs:
 The thermistor (center) does not detect an 8°C increment in the fusing
temperature for 7.5 sec. just after the fusing temperature reached 45°C.
 The temperature of the center thermistor does not reach the target
temperature for 28 seconds after the fusing lamps turned on.
542 A
 Thermistor warped or broken
Fusing overheat error 1 (software detection)
A fusing temperature (at the center) of over 230°C (446°F) is detected for 1
second by the fusing thermistors at the center or at either end of the fusing
roller.
543 A
 Power supply unit defective
 I/O board (IOB) defective
 BICU defective
 TRIAC short on PSU (PSU defective)
Fusing overheat error 1 (hardware detection)
A fusing temperature (at the center) over 250°C is detected by the fusing
temperature monitor circuit in the BICU board.
544 A
 I/O board (IOB) defective
 BICU defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA