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5–13Interfaces
Terminating Resistor Configurations
The factory equips the printer with several resistors that are used for parallel
interface configurations and are suitable for most applications. These 470 ohm
pull-up and 1K ohm pull-down terminating resistors are located at RP1 and RP2,
shown in Figure 5–1.
If the values of these terminating resistors are not compatible with the particular
interface driver requirements of your host computer, you may need to install
resistors with different pull-up and pull-down values.
RP1
RP2
Default: 470 ohm
Alt 1: 220 ohm
Alt 2: 1K ohm
Default: 1K ohm
Alt 1: 330 ohm
Alt 2: none
Figure 5–1. Resistor Locations