IBM 5150 - Page 146

Failure Symptom
Power Supply
Print Head
r
No Printing
Print head carriage
not moving
Forms
Forms not advancing; overprinting
Forms jamming
or tearing
Ribbon
Ribbon jammed
Print Quality
Printing too light; poor print quality
Smudged printing
Uneven printing (characters
or lines)
Row(s)
of print dots missing
."..-..
Random print dots missing
Extra print dots
Printing continues beyond end-of-forms
Doublespacing - abnormal characters
False end-ot-forms alarm
Uneven horizontal spacing
Control Panel
,,-....
Page
1400-6
1400-11
1400-14
1400-15
1400-15
1400-17
1400-18
1400-19
1400-19
1400-20
1400-21
1400-22
1400-23
1400-23
1400-24
1400-25
1400-26
•
1400-5