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MAINTENANCE GUIDE
§9. [MCU PWB ↔ LED PWB]
MCU PWB
PL 5.1
P/J32
–
–
–
Signal Wire Name
Ready-LED ON(L) 5VDC
Error-LED ON(L) 5VDC
*1:
There are two LEDs on the LED PWB: a green one and an orange one. The meanings of the different
conditions of the LEDs are shown below.
LED Name
Ready-LED
Error-LED
2: The flashing cycle of the LEDs is: turn on for 0.5 seconds, then turn off for 0.5 seconds. However,
when the printer is in pause status, the flashing cycle for the Ready-LED is: turn on for 0.5 seconds,
then turn off for 2 seconds.
Ready-LED ON(L) 5VDC
⊃
1
5VDC
⊃
2
Error-LED ON(L) 5VDC
⊃
3
This output signal causes the green LED to turn on or flash.
(The LED turns off when the signal is low and the LED turns on when
the signal is high.)
This output signal causes the orange LED to turn on or flash.
(The LED turns off when the signal is low and the LED turns on when
the signal is high.)
LED Color
LED Condition
Green
Orange
– 104 –
P/J321
⊃
–
3
⊃
–
2
⊃
–
1
Reference
Conditions of the LEDs and their meanings
Flashing
Warming up
On
Ready
Off
Error
Flashing
Jam
On
Another error
Off
No error
LED PWB
PL 1.5
GREEN
ORENGE
Meaning
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