F–2
Ferrite Noise Suppression Cores
Card Cage
Shuttle Frame Assembly
Hammer Bank
Fan
Card
Cage
Fan
Paper feed mechanisms
and barrier panel
Platen
Base casting
Platen
open
motor
Paper
feed
motor
Ribbon
Drive
Motor
Ribbon
Drive
Motor
Control Panel
cable wraps
4 times around
card cage.
Paper Feed
Motor cable
passes through
core (no wrap)
on its way to the
card cage.
Hinged,
plastic wrapped
ferrite core.
Round
ferrite core.
Cable
connector.
Ribbon Motor
cable wraps once
around core before
it enters the card
cage.
Maintenance TIp:
Route and wrap the cables
first. Tie wrap the round
ferrite cores to the card
cage last.
Fold the ribbon cable
in half, then snap the ferrite
core shut over the cable.
Slide the core as close to
the control panel as
possible and flatten the
ribbon cable to prevent the
core from sliding down the
cable.
Round ferrite cores are
tie–wrapped to the side of
the card cage. (See the
Maintenance Tip below.)
Ribbon motor cables
are routed under the base
casting.
core before
it enters the
Figure F–1. Ferrite Core Locations
Summary of Contents for P4280
Page 1: ...P4280 Line Matrix Printer Maintenance Manual R ...
Page 2: ......
Page 3: ...P4280 Line Matrix Printer Maintenance Manual R P N 155064 001 Rev B ...
Page 236: ...A 22 Configuring the Printer ...
Page 246: ...C 2 Torque Table ...
Page 263: ...D 17 Wire Data Cable No Part No Description W7 150649 001 Cable Assembly AC Ground PIN 1 ...
Page 296: ...8 Index Notes ...
Page 297: ......