323
FEB 2008Ver. 1.1
DP-C405/C305/C265
CN518-4 TDCREF_Y TDC_Y
Toner Density Sensor
Reference Y
CN518-5 GND_2 TDC_Y Ground
CN518-6 TDCDT_Y TDC_Y
Toner Density Sensor
Connection Signal Y
CN518-7 GND_3 TDC_M Ground
CN518-8 TDCS_M TDC_M Toner Density Sensor M
CN518-9 +24VF_2 TDC_M +24V DC Power Supply
CN518-10 TDCREF_M TDC_M
Toner Density Sensor
Reference M
CN518-11 GND_4 TDC_M Ground
CN518-12 TDCDT_M TDC_M
Toner Density Sensor
Connection Signal M
CN518-13 PGND LSU Fan Power Ground
CN518-14 nLSUTFRDY LSU Fan
LSU Cooling Fan Lock
Detection
CN518-15 pLSUTFCNT LSU Fan
LSU Cooling Fan Activation
Signal
CN518-16 N.C. No Connection
EC PCB
Pin No.
Signal Name Destination Signal Waveform Function
+10V
0V
0V
+5V
0V
0V
+5V
0V
+24V
0V
+10V
0V
0V
+5V
0V
0V
+5V
0V
+24V
0V