Description Of Interface Signals - Toshiba 4560 Service Manual

18.6 Description of Interface Signals

The sending and receiving of signals between the copier and the ADF is conducted by using the six lines
as shown below:
REQ 1 ..................Communication request signal (from the copier to the ADF)
REQ 2 ..................Communication request signal (from the ADF to the copier)
ACK 1 ...................Communication request response signal (from the ADF to the copier)
ACK 2 ...................Communication request response signal (from the copier to the ADF)
ADFRXD ..............Data sent from the copier to the ADF
ADFTXD ...............Data sent from the ADF to the copier.
Since data transmission between the copier and the ADF (ADFRXD and ADFTXD) is conducted by
means of serial transmission, it is not possible to check for the correct data transmission in the field.
Nov. 1997 © TOSHIBA
ADF
REQ1
ACK1
ADFRXD
REQ2
ACK2
ADFTXD
18 - 25
Copier
4560/4570 RADF