Blink R536 Manual do Utilizador descarregar pdf (Página 26)

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7 Data can not be received.

7-1 Parallel interface data can not be received.

• Do the IFDATA 1 to 8 signals of Q501 of the Driver board have the waveform shown in Figure

12 below?

• No Replace either relative electric component to the DATA 1 to 8 signals, or

replace CN6 of the Driver board.

▼

• Yes Does the STB-N signal of Q501 have the waveform shown in Fig. 12?

• No Replace either resistor or capacitor of the STB-N signal.

▼

• Yes Do the BUSY-N and ACK signals have the waveforms shown in Fig. 12?

• No Replace Q501.

BUSY-N (Q501-64 pin)

ACK (Q501-63 pin)

▼

• Yes Replace Q3.

7-2 When receiving with the parallel interface, printed data is skipped, or the printer

does not work.

• Gap in the self-test?

• Yes To step 4.

▼

• No Does the signal of BUSY-N or ACK of Q501 of the Driver board have the waveform

shown in Figure 12?

• No Replace Q501.

▼

• Yes Replace either relative electric component to ACK or BUSY-N signal, or replace Q3

of the Driver board.

Fig. 12

IFD1 ~ 8

Valid Valid Valid

H

STB-N

BUSY-N

ACK

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Blink R536 Manual do Utilizador Página 26