Specifications

Chapter 5: Wiring Diagrams

5-11

LVPS Assembly and MCU PWB

Signal Line Name Signal Line Description

5VDC-LC Source power for the Laser Diode

VS Voltage drop signal. 5VDC output voltage when the printer is switched OFF

TEMP Thermistor data from the Temperature Sensor

The table below shows how source power recovers from or reacts to a short circuit or one of the

following outputs:

Short-Circuit Voltage

Output

5VDC-

Output

5VDC

Output

TEMP

5VDC-LD A C C

5VDC B B B

TEMP. A A A

A Automatic recovery after short circuit cancellation.

B Recovery at Power ON after a few minutes from Power-OFF following a short-circuit

cancellation.

C Continuous output on short-circuit.

X Intermittent output on short circuit.

NOTE:Power output from the LVPS decreases to 0VDC after approximately one minute if power

is switched ON with no load attached to the LVPS (unplug P/J 11 on the MCU PWB).

To restart the printer:

1. Switch OFF printer Main Power.

2. Reconnect P/J11 to the MCU PWB.

3. Wait five minutes.

4. Switch ON Main Power.