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SERVICE MANUAL
5-10.2. LCS Door Open Related Problems
Explanation
The interlock of the front door of the LCS was detected.
Troubleshooting Procedure
<010> Is the actuator behind the front door deformed or damaged? <Y:012, N:020>
<012> Replace the front door.
<014> Does this problem still occur? <Y:020, N:Exit>
<020> Once turn off the locker switch of the LCS, open the front door, and set the dip switch on
the LED unit PCB "0100", then turn on the locker switch again with the front door is open.
(Confirm the printer is turned on and the front door of the LCS is open. The change of the dip
switch is recognized by the LCS controller when the locker switch is turned on.)
<030> Check the door switch by pressing the actuator of the door switch by hand, while seeing the
LED5 (green LED) on the LED unit PCB. Does the LED turn on and off corresponding the
bottom switch? <Y:100, N:040>
<040> Check damages or pinches of wire, cable, and connector between the following connectors:
CN12 on the mechanism controller PCB of the printer (especially for the pin25) and the LCS
interface connector,
LCS interface connector and CN3 on the LCS controller PCB (especially for the pin25).
<042> Does this problem still occur? <Y:050, N:Exit>
<050> Replace the LCS controller PCB.
<052> Exit.
<100> Check damages or pinches of wire, cable and connector between the following connectors:
CN2 on the LCS controller PCB and SEN9 at the door switch.
<110> Does this problem still occur? <Y:120, N:Exit>
<120> Replace the door switch.
<130> Does this problem still occur? <Y:040, N:Exit>
NOTE
When you check whether the problem still occur or exit
5-416
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Chapters
Troubleshooting
