Engine Board - Kyocera Mita KM-1500 Service Manual

2DC

2-3-2 Engine board

Main board
(KP-5060)
Laser scanner unit
Cassette
switch
Regist-
ration
sensor
Paper
sensor
Bias board
(KP-5067)
+24V2
FET
+24V3
Toner sensor
High voltage
output circuit
2-3-2
Engine board (KP-5061)
RSTIN
PLGCLK
+24V3
Reset IC
U3
PLGDRN
PLGRDYN
PAPERN
FAN1
FAN2
THERMA
Heater lamp
HEATN
control circuit
ZCROSS
EXITN
MHVDR, THVDR, RTHDR, HVISEL, HVCLK
+24V2
SLEEP
+24V3
TONER
+5V
TNFULL
Waste
toner
sensor
+24V2 +24V1
Interlock
switch
+24V2
High voltage board
Figure 2-3-2 Engine board circuit block diagram
ISUMOTA, ISUMOTNA
ISUMOTB, ISUMMOTONB
LAMP , LAMPHI, LAMPLOW
HPSWN
RSTN
CPU
U1
PFSEN, PFPFPER, PFCLK
MRDYN
SWIN
RESIT
EEDIO
EEPROM
EESCK
FEDDRN
RESDRN
MPFDRN
HANDSN
Eraser
ERASER
control
circuit
5 V DC
output circuit
Zero
cross
signal
24 V DC
detection
output circuit
circuit
Exit
sensor
Power supply board
Scanner
Scanner
board
(KP-5063)
Optional
CCD
Scanner
board
home
position
sensor
Inverter
Exposure
lamp
PFMDRN
MOTORN
Main
motor
Feed clutch
U5
Registration clutch
MP feed clutch
MP paper sensor
+24V3
Eraser
lamp
lamp
Cooling fan
AC input
Triac
Thermistor
motor
DP
board
Heater
lamp