Register the printer problem printing devices _ the common faults and the testing methods
register most prone to failure may be the screen display, the box was stuck, can't open the cash register such as fault, in fact is not, sometimes because of improper operation, also is very easy because the cash register external printer malfunction.
fault has a, POS cash register printer does not print
( 1) Check the printer cable line connected correctly, power supply is normal.
( 2) Check whether the printer status is normal, the installation is correct, if no paper or paperboard.
( 3) Replace the printer test is normal, or connect the printer to other machine test is whether normal.
( 4) Determine whether the test in the CHECK print correctly and application software error.
fault, POS cash register external printer fuzzy characters or lack of stroke
( 1) Check whether the ribbon is no color, if not, change the ribbon in a timely manner.
( 2) The print head is broken needle or the print head cable is broken.
( 3) Stylus printer two-way print position deviation, the belt is loose.
( 4) Character offset printing paper.
three, printer head line fault it can't work normally caused by bad
register the printer head takes damage, may cause the printer can't self-check, constantly into the paper, not into the paper; Print the interrupt; Print is not clear, less line, ghosting, seriously affect the normal work of the cash register. At this point, the operator do not remove the printer, it is best to contact the supplier's technical personnel, because also is likely to be the printer drive gear caused serious wear and tear.