IBM 1725 SLS - Manual (Page 222)

Hard Disks
QMS 1725 SLS Print System User's Guide 8-38
4 With the notched end of the new 220-ohm DIP resistor pack
away from you (see the following illustration for orientation),
carefully insert the resistor pack’s pins in the RP1 socket
where you just removed the 1 K-ohm resistor pack; then
install the new 330-ohm DIP resistor pack in the RP2 socket,
located next to the RP1 socket.
5 Follow the instructions in “Re-installing the Tray Assembly”
(earlier in this chapter), being careful to follow the directions
for eliminating static electricity.
6 Use the 50-pin to 36-pin cable included in your kit to connect
the Dataproducts cable to the parallel port.
Hard Disks
Internal
Your printer comes standard with an internal hard disk but can be
upgraded to a larger disk if your printing environment requires more
hard disk storage space.The internal hard disk drive provides space
to store downloaded fonts and optional emulations and increases the
font cache of the printer. The latest information on hard disks avail-
RP1
RP2
220-ohm 330-ohm