Toshiba e-STUDIO500P manual Elevator moves in one direction only

The elevator tray does not move up or down; the printer recognizes that the option is installed

	FRU	Action
1	DC drive motor high-	Be sure the motor cable is correctly installed at J1 on the board.
	capacity feeder option	Check the cables, damaged or loose wires. Disconnect the motor.
	system board	Check for a short between each pin and the motor housing. If a
		problem is found, replace the motor assembly. If no problem is found,
		measure the resistance between the following pins on the motor
		cable connector:
		Pins 1 (brown) and pin 2 (Yellow)
		The resistance measures between approximately 7.5 and 10.5 ohms.
		If incorrect, replace the motor assembly. If correct, replace the high-
		capacity feeder option system board.
The elevator moves in one direction only

	FRU	Action
1	DC drive motor assembly	Check the voltages at J1 on the high-capacity system board. The
	high-capacity feeder	voltages measure approximately as follows:
	system board
			Pin	Color	Voltage
			Static (motor not running)
			J1-1	Brown	0 V dc
			J1-2	Yellow	0 V dc
			Motor running forward
			J1-1	Brown	0 V dc
			J1-2	Yellow	+24 V dc
			Motor running in reverse
			J1-1	Brown	+24 V dc
			J1-2	Yellow	0 V dc
		If any of the voltages are incorrect, disconnect the motor and
		measure the resistance between J-1 and J-2. The resistance
		measures between 7.5 and 10.5 ohms. If incorrect, replace the
		motor. If correct, replace the system board.

2-98Service Manual