Operator`s manual

function activates when the
print head
temperature rises
above 70ºC.
head
temperature
goes down to
60ºC.
MB400 Quick Guide Pg 15
ACK/NAK Control Type
This communication protocol is a software handshake type based on ACK/NAK.
When the print data (STX-ETX) is sent from the host under the following conditions, the
received data is not guaranteed.
1. When the printer is in the offline condition.
2. When an error occurs with the printer.
Wiring
Host Printer
RD 11 SD
SD 10 RD
SG 12 SG
CS
RS * For SG, 1, 7 pins are available in addition to 12 pin
*Note
For writing, some host types are required to loop CS and RS on the host side (always keep CS
and RS “High”). Therefore, you must confirm the host type before connecting.
Input and Output Signal
Pin No. Signal Name Direction Description
11 SD Output The data transferred from the printer to the
host.
10 RD Input The data transferred from the host to the
printer.
1, 7 or 12 SG - Signal ground
MB400 Quick Guide Pg 4
Components
POWER Key Turns the power on and off.
PRINT Key Sets the printer to on-line or off-line.
FEED Key Feeds labels.
STATUS LED Indicator Indicates the status of the printer.
BATTERY LED Indicator Indicates the status of the battery.
No. Item Details
1 Dispense/Continuous switch lever Switches the print mode
(dispense/continuous)
2 Dispenser unit Move this when the Dispense mode
is selected
3 Front cover Open/Close lever Opens and closes the front cover
4 Front cover Open this for setting labels
5 Easy cutter Cuts printed labels