Dell 1135N Service Manual - Page 132
No error LED when the cover is open
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Alignment and Troubleshooting 7) No error LED when the cover is open Description : The Error LED does not come on even when the printer cover is open 1. Check the connector and circuit of the cover switch department in the Main Control board. 1. Check the insertion of the Cover Open S/W Connect. 2. Replace the Main Control board or HVPS board Service Manual 4-59
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Alignment and Troubleshooting
4-59
Service Manual
7) No error LED when the cover is open
Description :
The Error LED does not come on even when the printer cover is open
1. Check the connector and
circuit of the cover switch department
in the Main Control board.
1. Check the insertion of the
Cover Open S/W Connect.
2. Replace the Main Control
board or HVPS board