Advanced Printing Systems
SS205-V4+ LV - Technical Manual - Rev B Page 12
environment.
10. If abnormal “sticking sound” is heard while printing, please check and adjust the printing
mode to eliminate this sound (printing speed and heating time).
11. Make sure the paper does not have high abrasion factor, low sensitivity or abnormal
chemicals.
12. To avoid current surges and voltage losses, VH and GND cable length should be less than
100mm and 47 F aluminum capacitor between VH and GND is advised on customer’s controller
board side.
13. FPC minimum bending radius of 0.5 mm
14. Usually, head cleaning is not required, if necessary: remove the platen roller first, then clean
the head using dampened cotton with alcohol or isopropyl. Ensure to the alcohol has completely
dried before insertion of the platen..Do not clean the head just after a printout; the head
temperature could be high. Do not use metal tools or sandpaper, sharp objects or cutter, etc. to
clean the head; they could damage the thermal head.
Important Precautions
To prevent any dot element damage:
At power up make sure that logic voltage (Vdd) is present simultaneously or before VH.
At power down make sure that VH is at 0 V before removing logic voltage.
Do not apply any pulse noise exceeding [2V. 20 ns] to any TPH signal terminals.
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