XIX
Machine-readable fonts
The perfect readability of fonts such as OCR-A, OCR-B or bar codes
(EAN, UPC, Zip) by machines is affected by ...
● the printing technique (resolution, edge sharpness);
● the technical state of the printer;
● the quality of the printing medium (toner, ink ribbon);
● the state of the print material (glossiness, smoothness, coating,
age, reflection, surface uniformity);
● the technical state of the reading device.
Further information
● Leave your printer components in their packing until the manu-
al expressly describes when and how to install them.
● Do not fit or use the serial and parallel interface cables at the
same time.
● Only use a clean cloth to clean the control panel and case.
● The oiling and greasing of moving parts by the user is unneces-
sary.
● If the machine is damaged, switch it off and remove the plug
from the outlet socket. Immediately arrange for it to be repaired.
● Before contacting your supplier’s customer service department,
read the notes in Chapter 6. You may incur costs even during the
warranty period if you call on customer service when the cus-
tomer is expected to remedy the fault or defect himself as
described in Chapter 6.
● When sending off the machine, the carrier or insurer will not
accept responsibility for damage due to unsuitable packing.
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