HP LaserJet M1120 Service Manual - Page 126
Problem solve, Scanner Error, Turn off then on, 1C Error, Engine comm. Error
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Control panel message 52 Scanner Error Turn off then on 54.1C Error Turn off then on Engine comm. Error Description The product has experienced a scanner error. The product has experienced an internal hardware error. The product has experienced an internal hardware error. Recommended action If a surge protector is being used, remove it. Plug the product directly into the wall socket. Use the power switch to turn the product on. If the error persists, contact HP. See www.hp.com/support/LJM1120 or the support flyer that came in the product box. Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the product to initialize. If a surge protector is being used, remove it. Plug the product directly into the wall socket. Use the power switch to turn the product on. If the error persists, contact HP. See www.hp.com/support/LJM1120 or the support flyer that came in the product box. Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the product to initialize. If a surge protector is being used, remove it. Plug the product directly into the wall socket. Use the power switch to turn the product on. If the error persists, contact HP. See www.hp.com/support/LJM1120 or the support flyer that came in the product box. 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. If a surge protector is being used, remove it. Plug the product directly into the wall socket. 3. Turn on the power and wait for the product to initialize. If the error persists, contact HP. See www.hp.com/support/LJM1120 or the support flyer that came in the product box. 110 Chapter 6 Problem solve ENWW