Star Micronics LS-5 SERIES, Technical Manual

Page: 92 / 204

– 88 –
TROUBLESHOOTING
Step Check
Measure
YES NO
7 (Check pinch roller of pick up roll assy)
Is the pinch roller of the pick up roll assy rotating normally in
conjunction with the rotation of the take away roll assy?
•
With the fuser assy and EPX toner cartridge removed, rotate
the main motor gears by hand to check them.
8 Is paper being supplied from the front tray (multi-purpose
tray)?
9 (Check retard pad assy)
Is the retard pad assy of the lower chute assy coming in contact
with the pick up roll?
10 (Check paper cassette)
When the paper cassette is set in place, is the paper in the paper
cassette lifted upwards normally?
•
Check visually from the rear side of the machine.
11 (Check no paper actuator) *1
Does the no paper actuator of the feeder PCB {feeder PCB aux}
move smoothly?
12 (Check no paper sensor) *1
Is the no paper sensor of the feeder PCB {feeder PCB aux}
functioning normally?
13 (Check feed roll assy)
Does the feed roll assy feed paper properly from the paper
cassette?
14 (Check paper cassette)
Is the pinch roller of the paper cassette rotating smoothly?
•
Remove the paper cassette and rotate the pinch roller by hand
to check it.
15 (Check drive assy)
Are the gears of the drive assy rotating normally in relation to
the gears of the EPX toner cartridge?
16 (Check link assy)
When the front cover assy is closed, does the link assy open the
drum shutter of the EPX toner cartridge?
•
The protruding section on the left end of the EPX toner
cartridge drum shutter should be lifted up by the link assy
when it moves.
17 (Check trans. chute assy)
When the BTR assy is rotated by hand, does it turn smoothly?
•
Do not touch any part of the BTR assy except the gears.
To step 8
To step 9
To step 26
To step 11
To step 12
To step 13
To step 14
To step 15
To step 16
To step 17
To step 18
Replace pick up
roll assy.
To step 10
Replace lower
chute assy.
Replace the paper
cassette of the
pertinent tray.
Replace the no
paper actuator of
the pertinent tray.
To section 3-10
Replace the feed
roll assy of the
pertinent tray.
Replace the paper
cassette of the
pertinent tray.
Replace drive
assy.
Replace link assy.
Replace trans.
chute assy.