HP M1522nf HP LaserJet M1522 MFP Series User Guide - Page 180
Critical error messages, Table 12-2 - error 49
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Critical error messages Critical error messages can indicate some kind of failure. Turning off and then turning on the power might fix the problem. If a critical error persists, the product might require service. Critical error message-tables Table 12-2 Critical error messages Control panel message Description 49 Error, Turn off then on The product has experienced an internal embedded software error. 50.x Fuser Error The product has experienced an internal hardware error. 52 Scanner Error The product has experienced an internal hardware error. 55.4 Error, Turn off then on The product has experienced an engine communication timeout error. 79 Error Turn off then on The product has experienced an internal firmware error. Recommended action 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 the error persists, contact HP. See www.hp.com/support/ljm1522 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/ljm1522 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/ljm1522 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/ljm1522 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 you have recently installed a memory DIMM in the product, turn off the product, remove the memory DIMM, reinstall the DIMM to 168 Chapter 12 Problem solve ENWW