Blink R536 Uživatelský manuál stáhnout pdf (Strana 13)

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2 Only the POWER lamp lights. (The printer does not work.)

• Does the oscillating waveform from OSC of the Power & Control Board have the form

shown in Figure 1 below?

• No Replace OSC of the Power & Control Board.

▼

• Yes Does the RST-N signal have the waveform shown in Figure 2 below (with

+5 V and +8V signals as reference)?

Fig. 1

▼

• No If RS232C PCB is available, replace the RS232C PCB.

If the RS232C PCB is not available, replace the Power & Control

Board.

81.4 ns

V

(V)

T(ns)

+4 V ~ +5 V

0 V ~ 1V

+8 V

+5 V

RST-N

Fig. 2

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 102 103

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Blink R536 Uživatelský manuál Strana 13