IBM 1725 SLS - Manual (Page 223)

Hard Disks
8-39 Printer Options
able for your printer can be found through Q-FAX (see appendix A,
“QMS Customer Support,” for Q-FAX instructions).
O Caution: If you connect to this printer an external hard disk you previously
used with an earlier QMS Crown printer, this QMS 1725 SLS Print System
software release will automatically reorganize the files on the hard disk when
the printer is turned back on again. (The printer release number is listed on
both the start-up and the status page.) Once this reorganization is done,
the files on the hard disk can no longer be accessed if the hard disk is
reattached to an earlier QMS Crown printer.
The following is included in your hard disk drive assembly kit:
n An anti-static wristband
n The hard disk drive with mounting brackets
n Phillips screws
n A power cable
n A plastic ribbon cable
A Phillips screwdriver and needle-nose pliers are needed for this pro-
cedure.
Upgrading the Internal Hard Disk
The following procedure is written for the system administrator. Do
not attempt this procedure if you have no experience working with cir-
cuit boards.
O Caution: It's very important to protect the printer tray assembly from
electrostatic damage while performing this task.
If an anti-static wrist strap is provided in your printer option kit, attach
one end of it to your wrist and the other end to any convenient electrical
ground (for example, the bare metal chassis of equipment, as on the back of
a computer, that is plugged in but turned off). Never attach the wrist
strap to any piece of equipment with an electrical current present. Turn off
all power switches first. Plastic, rubber, wood, painted metal surfaces, and
telephones are not acceptable grounding points. The printer isn't an