Maintenance Approach; Tools Required For Service - IBM 3112 Service Manual

Maintenance Approach

The diagnostic information in this manual will lead you to the correct
field replaceable unit (FRU) or part. Use the error code charts,
symptom index, service checks, and diagnostic aids to determine
the symptom and repair the failure. Begin with "Start" on page 2-2.
This printer can be serviced without being connected to a host.
After you complete the repair, perform tests as needed to verify the
repair.

Tools Required For Service

Flat-blade screwdriver
#1 Phillips screwdriver
#2 Phillips screwdriver
5.5 mm nut driver
8 mm wrench
Needlenose pliers
Diagonal pliers
Spring hook
Feeler gauges
Analog or digital multimeter
Parallel wrap plug 1319128
Serial wrap plug 1329048
General Information
3