HP 7414A Operating And Service Manual page 30

Thermal-tip recorder
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Section V
Maintenance
2.5 mm/sec
100mm/sec
4-8
Model 7754A/7414A
5 mm/sec
Paper Speed, MM/SEC
Energized
Solenoids
0.25
0.5
2.5
5
10
25
50
100
Ll
X
X
X
X
L2
X
X
X
Y
X
L3
X
X
X
X
X
X
L4
X
X
X
Note: When solenoids are deenergized, clutches are disen-
gaged, permitting pairs of primary gears to transmit
power. When solenoids are energized (power on).
clutches are engaged, causing straight-through drive.
Figure 4-8. Gearbox Power Flow
07754-1

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