Control Panel Displays The Error Message "Close Cover; Control Panel Displays The Error Message "Paper Jamming - Star Micronics LS-5 SERIES Technical Manual

2-6. Control Panel Displays the Error Message "CLOSE COVER"

Step
1 Is the front cover assy closed?
2 Check parts with different specifications for problems with
usage, defective installation, breakage, and deformation.
• Main parts to be checked:
(1) MCU PCB, (2) LVPS assy, (3) Link assy
3 (Check link assy)
With the link assy, check to see that the interlock switch on the
LVPS assy is turned on when the front cover assy is closed, and
turned off when the front cover assy is opened.
4 (Check interlock switch on LVPS assy)
Is the interlock switch functioning normally?

2-7. Control Panel Displays the Error Message "PAPER JAMMING"

Step
1 Check parts with different specifications for problems with
usage, defective installation, breakage, deformation, and adhe-
sion of foreign matter.
• Main parts to be checked:
(1) Inlet chute assy, (2) Regi. sensor, (3) Lower chute assy
(4) BTR assy, (5) Take away roll assy, (6) Exit sensor
(7) Exit actuator, (8) Fuser assy, (9) Pick up roll assy
(10) Pick up solenoid, (11) Bottom plate assy, (12) Link assy
(13) Trans. chute assy, (14) MCU PCB, (15) Drive assy
(16) EPX toner cartridge, (17) Paper cassette
(18) Feeder assy, (19) Optional feeder unit
(20) Top cover assy, (21) Harness assy sensor
(22) LVPS assy, (23) Front cover assy
2 Does the problem occur when the power supply is turned on?
3 (Check main motor)
Is the main motor rotating normally?
4 (Check drive assy)
Are the various gears of the drive assy rotating normally?
• Rotate the main motor gears by hand to check them.
5 (Check exit roll assy rotation)
Are the exit roll assy of the fuser assy and the pinch roller of the
fuser cover assy rotating normally?
• Rotate the main motor gears by hand to check them.
6 (Check take away roll assy)
Is the take away roll assy rotating normally?
With the fuser assy and EPX toner cartridge removed, rotate the
main motor gears by hand to check them.
Check
Check
– 87 –
TROUBLESHOOTING
Measure
YES
To step 2 Close the assy.
To step 3 Replace or
reinstall.
To step 4 Replace link assy.
Replace MCU To section 3-2
PCB.
Measure
YES
Replace or
To step 2
reinstall.
To step 22 To step 3
To step 4 To section 3-17
To step 5 Replace drive
assy.
Replace fuser
To step 6
assy.
Replace take away
To step 7
roll assy.
NO
NO