TM 11-5815-602-10
EE161-DM-OPI-010/E154UGC74
TO 31W4-2UGC74-1
c. The following trouble symptoms cannot be corrected by the operator. Notify organizational
maintenance for repair.
Print drum does not rotate; copy and indicator lamps do not light.
q
Print drum speed is excessively fast or slow.
q
Messages transmitted and/or received are garbled.
q
Line lamp is on; audible alarm sounds.
q
Keyboard keys are inoperable.
q
Every 4th character does not print.
q
Print characters are not alined.
q
Column not printing.
q
Grinding noise.
q
Hammers printing improperly.
q
Ribbon does not lift or drop.
q
Parity lamp does not light.
q
Missing or broken parts.
q
3-5
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