Toshiba B-EV4 manual Print Head JP30

2. ELECTRONICS SPECIFICATIONS

EO18-33025

2.3 Description of the Main PC Board

JP24 (Stepping Motor Thermistior):

Signal	Pin
	No.
MOTOR TEMP	1
GND	2

This connector is connected to the Stepping Motor Thermistor. MOTOR TEMP signal is temperature of the stepping motor.

JP28 (Feed Key/Status LED):			This connector is connected to the Feed Key and Status LED.
	Signal	Pin
		No.
	+3.3V	1
	GREEN_LED	2
	RED_LED	3
	T_KEY	4
	GND	5

JP29 (Feed Gap Sensor, Lower): This connector is connected to the Lower Feed Gap Sensor (Photo Diode).

Signal	Pin
	No.
+3.3V	1
GAP_E	2

Print Head (JP30):

JP30-1

Signal	Pin
	No.
VH (+24V)	1
VH (+24V)	2
TM	3
TM	4
/STB2	5
GND	6
GND	7

JP30-2

Signal	Pin
	No.
GND	1
GND	2
VDD (+5V)	3
/STB1	4
/LAT	5
CLK	6
DI	7
VH (+24V)	8
VH (+24V)	9

This connector is connected to the print head (for TS model, 300dpi). The voltages and signals for controlling the print head are input/output into/from the connector.

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