Masung D347-V, User Manual

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2. The width, inner diameter, outer diameter of paper roll have to meet
standard requirements, or it can make paper sensor unable to work
and paper jam.
3. Never use hard tools to clean the cutter, or it may result in
unrecoverable damage to the cutter.
4. Never pull out the signal cable (USB & serial) or power wire when
the printer is power on.
5. Never touch the printer head or motor driver at once directly after the
printer has been working a long time, or will get scald.
6. There is great frication between the rubber roll and thermal head, so
user cannot press feed button or print anything when there is no paper,
or it can damage thermal sheet. Also cannot print when the platen
open.
7. User should clean thermal head regularly with anhydrous alcohol to
ensure the printer perform better and service life.
8. If the printer works outside, it needs to be cleaned regularly to ensure
the sensors work reliability.
9. When the printer is working, block up the paper mouth is forbidden.
Storage matters
1. Be sure to set this equipment on a firm, stable, horizontal platform.
2. During transport or storage, protect the device by storing it in
conductive sponge, aluminum foil, etc.
3. If the equipment falls, it may break or cause injury.
4. Excess of humidity and dust may destroyed the equipment
。
5. Do not place heavy objects on top of this product. Never stand or lean
on this
product.
6. Equipment may fall or collapse, causing breakage and possible injury.