Extech Instruments S4500THS - Manual (Page 19)

15
S4500THS User Guide Portable Printing Solutions
Extech Instruments Corporation 285 Bear Hill Road, Waltham, MA 02451-1064 Phone: 1-877-4-EXTECH (439-8324) Fax: (781) 890-7864 Web site: www.extech.com
Copyright © 2005 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
4. P
RINTER
M
AINTENANCE
4.1 C
LEANING
:
You may need to clean the print head and platen roller after printing a
number of rolls of paper, whenever you load new supplies or when you
see voids in the printout.
Caution: Do not use sharp objects to clean the print head. This may
damage the printer and require service.

Open the paper door by pressing the Paper Door Unlock Button on the top
cover as shown in Figure 3A. The paper supply door will pop up.

Remove the paper roll.

Moisten a cotton swab with isopropyl alcohol and clean the print head

Clean the platen roller with a dry cloth or small brush

Note: You can also use another cotton swab moistened with isopropyl alcohol.
Turn the platen roller with your finger and run the cotton swab or dry cloth across it.
Make sure the platen roller is clean all the way around.

Moisten another cotton swab with isopropyl alcohol. Rub the swab across
the black mark sensor to remove any build-up

Moisten another cotton swab and rub the swab across the tear bar to
remove any build-up

Note: You may experience dust build-up depending on the environment and the quality of the
paper supply you use. If this occurs, use a can of compressed air to blow dust and paper
debris out of the printer.
4.2 C
HARGING THE
P
RINTER
B
ATTERY
:
The printer battery is charged using the wall mounted charger provided.
Follow these steps to charge the battery pack.

Note: Maker sure the printer and all LED’s are OFF before charging battery.

Plug the charger into an appropriate wall socket; then plug the charger line
cord into the adapter jack on the side of the printer (see Figure 1)

The yellow CHARGE LED will illuminate, to indicate battery is charging.

The Charge LED turns off when battery cartridge is fully charged. It takes
about 180 minutes to fast charge the battery cartridge

To insure full charge, printer should not be operated while the battery is charging.
4.2.1 I
MPORTANT
N
OTES ON
C
HARGING
B
ATTERIES

The model S4500THS printers require an adaptor output of 10VDC/1.4A.

The battery Fast-charge is initiated each time the power adapter is connected to the printer

The fast-charge controller checks the battery’s voltage and temperature, before the start of the
fast recharge process. If the battery voltage or the temperature is outside of the fast-charge
limits, the charger defaults to trickle charge at C/10 or 70 mA rate

Optional external battery chargers are available for Extech batteries.