user manual
Status Indicator LED’s
Press ON/OFF button to turn printer on. Three LED indicators
located on the top of the printer indicate various printer functions.
LED will indicate function as described below:
LED State Status
Green
If the LED’s Color is Green it indicates that Power is
ON and that the printer is in RS-232 or IrDA mode
Purple/Orange
Low Power Mode (If in BT/802.11b mode the LED is
Purple; If in RS-232 mode the LED is Orange.
LED #1
Blue
If the LED’s Color is Blue it indicates that Power is ON
and that the printer is in Bluetooth or 802.11b mode
LED #2 Yellow
The battery charger is charging the battery at a fast
rate. If the battery is below 5V, the battery is being
“trickle” charged until the battery voltage reaches 5V,
and then the fast charge rate is started. The LED will
turn off when the battery is fully charged.
Green
· Indicates that MCR is ready to accept data.
· Indicates that SCR is ready to accept data.
LED #3
Red
· Indicates a fault condition or a printer error.
The printer is not ready to accept data.
· Printer is out-of-paper
Note: Refer to the troubleshooting guide to determine
error or fault condition.
Performing Self Test
1. Printer must be turned off.
2. Press and Hold Paper Feed Button
3. While holding Paper Feed Button, press On/Off Button
Model S3750THS
Mobile Printer
S3750THS Overview
Paper
Compartment
Quick Start Guide
This guide provides a reference illustration of the initial steps to
quickly get your Model S3750THS up and running. Refer to the
User’s Guide for more detailed information on the operation and use
of Model S3750THS. A copy of User’s Guide can be downloaded
f
rom www.extech.com/printers
Platen
Roller
Paper Feed
Button
MCR
Slot
IrDA
Window
Serial
Port
On/Off
Button
LED #3 LED #2 LED #1
AC Adaptor
Port
Paper Door
Pull Lever
Metal Tear
Bar
Copyright © 2007 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
Extech Instruments Corporation 285 Bear Hill Rd., Waltham, MA 02451-1064
Phone: 1-781-890-7440 Fax: (781) 890-7864 WEB: www.extech.com/printers
060607
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