Maintenance
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TTPM3 Printer/Encoder–Technical Manual
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8.2 Cleaning the print head
The print head can be cleaned without removal.
1. Open the printhead.
2. Clean the heat elements with a cotton swab immersed in ethyl or isopropyl alcohol.
8.3 Firmware
The firmware is stored in flash-PROM on the control board. A replacement control board
may not contain the same firmware version that you are currently using, so if you replace
control board for some reason, upgrade it to the firmware version you want to use.
8.3.1 Loading
Firmware is loaded through the serial port of the TTPM3.
Fetch the firmware from the Swecoin web site
http://www.swecoin.se
. There you will also
find the TTP Editor (Windows™ software) you use for loading the firmware into the
printer.
1. Start the TTP Editor and select settings, Printer type TTPM3, and set the Comm
settings to the port etc. that you use.
2. Select Settings, Debug Window, and click on “Text”.
3. Move the debug window so it does not cover the TTP editor. (The debug window
will show status during program loading and must be open)
4. Select Advanced TTP features, and firmware load, and follow the instructions on
the screen.
NOTE! —
The connector that must be short circuited with a jumper during program
loading is located close to the power connector. If you have a desktop version
of the TTPM3, a hole in the bottom of the cover gives access for the jumper.