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E Glossary
Port | A data channel used for receiving data from or |
| transmitting data to one or more external devices. |
Protocol | The rules and conventions that govern |
| communication between a printer and a host |
| computer. A protocol includes codes for printing text |
| and graphics and codes instructing the printer to |
| perform special operations. |
RAM | |
| memory" or "working memory". It is the active |
| memory of the printer, into which programs are |
| loaded. RAM is saved to volatile memory because |
| data in RAM is lost when power is turned off or |
| interrupted. |
Resolution | A measure expressing the number of component |
| units in a given range used to create an image; in |
| printing, expressed as the number of dots per inch |
| (dpi) horizontally and vertically. |
Roll Media | Media supplied in a roll format, usually wound on a 1 |
| inch or 3 inch cardboard core. The T4204 media |
| support assembly accepts both core sizes. |
Slew | Rapid vertical paper movement. |
Stop Bits | The signal which indicates the end of a character or |
| element. |
Thermal Transfer Media | Media specifically designed to work with a ribbon for |
| image transfer. In Thermal Transfer mode, |
| compatibility between the ribbon and the media is |
| critical in producing a high quality long lasting image. |
Thermal Transfer Printing | A printing method in which the printhead presses a |
| specially coated ribbon against the media. The |
| printhead elements react with the ribbon and bond |
| the image to the media. |
Twinax | Twinaxial. A type of cable with two wires surrounded |
| by insulation and a braided shield. |
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