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42089201TH Rev.4 23 /

Oki Data CONFIDENTIAL

2.1.8 Operation Panel

The clock synchronization OPCLK of LSI is used to input the switch data and output the LED

data through the operation panel control LSI (IC1: BU6152S).

LSI

OPTXD

OPCLK

OPCLR-N

OPRXD

OPTD

OPCK

NPA2

OPRD

Command

and Data

latch

LED driver

Switch

controller

+5V

A 2-byte (15 bits + 1 even parity bit) command (OPTXD) is transmitted to the LSI (BU6152S)

in synchronization with the OPCLK signal. The LSI decodes this command and when it is found

to be legal, returns a 2-byte command response back to the LSI which includes data on Switch

information, LED status, receive command ACK/NAK and 1 odd parity bit.

Any transmission errors found cause the command to be reissued after the transmission of the

OPCLR-N signal.

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General

Color	No
Built-in barcodes	Code 39
Maximum resolution	288 x 144 DPI
Maximum number of copies	6 copies
Media thickness	0.36 - 0.43 mm
Dimensions (WxDxH)	399 x 355 x 117 mm
Networking features	OkiLAN 6120e 10/100 Base-T
Connectivity technology	Wired
Compatible operating systems	Windows Vista, XP, 2000/ME, 98 & NT 40; UNIX, MS-DOS, Novell
Page description languages	Epson FX
Sound pressure level (printing)	52 dB
Mean time between failures (MTBF)	10000 h
Power consumption (typical)	100 W
Operating temperature (T-T)	5 - 40 °C
Operating relative humidity (H-H)	20 - 80 %