Compaq P5000 Series - Manual (Page 125)

Removal and Installation
125
The shipping kit for this printer includes 220 ohm pull-up and 330 ohm pull-
down alternate terminating resistors. If you install the 220 ohm pull-up
resistor, you must also install the 330 ohm pull-down resistor. Table 13 lists
the three terminating resistor configurations you can install:
Removal and Installation
IMPORTANT This is an involved maintenance procedure; only a trained technician
should perform this procedure.
The procedure for removing and installing terminating resistors is provided in
the Maintenance Manual.
Table 13. Terminating Resistor Configurations
Configuration Pull-Up (RP1) Pull-Down (RP2)
Factory Default 470 ohm 1K ohm
Alternate 1 220 ohm 330 ohm
Alternate 2 1K ohm none