Question about Samsung ML 2151N Laser Printer

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Engine LSU error, printer will not print. Accepts paper half way then it stops.

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Lsu stands for laser scanning unit. it tansfers the image onto the transfer drum, common problems are horizontal sync, i would suggest a replacement lsu

Posted on Sep 28, 2009

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this is a laser scan unit error, either lsu reuires services , else needs replacement.

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Hi,
Remove the jammed paper. Unplug the printer from the mains and PC. Inspect the rollers, etc for tiny paper piece(s) that may be stuck, or other debris. Try to clean rollers and make sure they are dry.
Keep printer unplugged for about 2 minutes and replug and try a test print.
Also make sure that you have waited long enough for the printer to heat up before giving a print job.
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