SATO MB400 Service Manual download pdf (Page 55)

Unit 4: Operation and Configuration

MB400i/MB410i Operator Manual Page 4-17

DOWNLOAD MODE

This download feature allows the operator to download print jobs to the printer. The data is

received through an RS232C interface in binary form using XMODEM protocol for file transfer.

Figure 4-15, Program Download Mode

In XMODEM protocol, data is transferred block by block. Each starts with SOH(01h) and consists

of 132 bytes such as block number (BLK) of 1 byte, complement of block number (_BLK), 128

bytes main data, and check sum (SUM) of 1 byte.

DSW = OFF, OFF, ON, OFF + POWER

Flashes

orange and enters the

Program Download Mode.

Ensure the printer is

waiting for data to be

sent before powering off.

Press POWER.

Flashes green while receiving

data.

Printer

shuts down. Must be restarted

to use the downloaded

data.

Blinks green while waiting

for data.

LED

changes from red to orange to

green when writing data to

Flash ROM.

Confirm the printer is

standing by for data

before sending.

Send data.

Format storage area if

never done.

Flashes green when

complete.

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SATO MB400 Service Manual Page 55