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5. Printer
The integrated printer is a thermal printer. This requires thermal paper only for printing.
To change the thermal paper roll, open the printer compartment by pulling the access
depression upwards.
Take the empty thermal paper roll out and replace it with a full one. When replacing the
thermal paper roll, please ensure that the full thermal paper roll is inserted with the side to be
unwound facing to the left and downwards! (Figure 5.1). When inserting, place the start of
the roll top left above the printer tear-off edge.
After this, close the printer compartment by pressing it down.
If the thermal printer does not print after the thermal paper roll has
been replaced, the roll has either been inserted incorrectly or it is not
a thermal paper roll.
Fig. 5.1
6. Care and maintenance
6.1 Care of mechanical loading device
The mechanical loading device must be cleaned of any dirt adhering after the measurement
using a dry cloth. The chrome-plated guide rod must not be greased. Heavy soiling must be
removed using spirit or kerosene. The drop weight tester must be stored carefully during
transport, and the fall height must be checked at regularly. The correct fall height is stated on
the calibration report and on the calibration nameplate on the drop weight.
6.2 Battery
Careful care of the battery ensures permanent readiness for use of the drop weight tester. The
NiMH battery fitted should be recharged from time to time only using the power supply
provided. The charging status can be seen on the charging bar in the display. The charging
process is normally complete after around four hours depending on the battery state. If the
battery has not been used for a long time it is important that it is recharged, so that
measurements on site do not need to be discontinued due to an empty battery.
6.3 Protection against total discharge
The measuring device is fitted with total discharge protection for the battery. The battery is
switched off shortly before total discharge. After this, the settlement gauge can no longer be
switched on. If the battery charger is connected, the battery will be charged and the device can
be used after around four hours.
6.4 Automatic switch-off when not in use
The settlement gauge switches itself off 4 minutes after the last button was pressed.
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