Printronix p300 Maintenance Manual page 143

FROM SHEET 1
A
Symptom
present
?
YES
Check hammer coil(s)
for opens, shorts, or
visible damage
(burns). Resistance s/b
≅
W
5.2
0
Coil
ok
?
YES
Refer to schematics
and troubleshoot
using standard
techniques. If problem
remains, contact
authorized distributor
service
representative.
Figure 4–16. Light and/or Smeared Characters (2 of 2)
P300/P600 Troubleshooting
NO
Return to
Normal operation
NO
Replace or reposition
coil per para 5–26.
Print out and check
for symptom.
Symptom
present
?
YES
NO
Return to
Normal operation
4–37