42113901TH01 Rev.3
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Oki Data CONFIDENTIAL
OPTXD
OPCLK
OPRXD
OPCLR-N
1
2
3
2
3 1
6
7
5
or
8
bit0
bit7
Command (first)
Command (second)
Command response (first)
Command response (second)
Note
bit0
bit7
Reset
within IC
Power ON
Write instruction for IC
reset
IC write for LED data,
etc.
Read instruction for
data read
Response check
for OK or NG
Error notification
Instruction for
retransmission
1
2
3
4
7
8
5
6
NO
YES
Note:
From the illustration above, you can see that the command and the command response are output at the same time. This is because the
bit 0 to bit 3 of OPRXD are fixed so that the response can be returned before decoding the command.
Содержание ML420 Series
Страница 1: ...Oki Data CONFIDENTIAL ML420 ML421 Maintenance Manual 080603F PRINTING SOLUTIONS...
Страница 117: ...42113901TH01 Rev 3 117 Oki Data CONFIDENTIAL Figure B 2 Printer General Assy 6 9 7 1 2 3 11 10 4 5 8...
Страница 122: ...42113901TH01 Rev 3 122 Oki Data CONFIDENTIAL Figure B 4 Carriage Assy 12 9 8 6 14 4 10 7 11 13 3 1...
