HP LaserJet 3052 Service Manual - Page 225
Critical error messages, Table 6-2
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Critical error messages Critical error messages can indicate some kind of failure. Cycling the power might fix the problem. If a critical error persists, the all-in-one might require service. Critical error message-tables Table 6-2 Critical error messages Control panel message 49 Error 50.x Fuser Error Description The all-in-one has experienced an internal embedded software error. The all-in-one has experienced an internal hardware 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 all-in-one to initialize. 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 all-in-one directly into the wall socket. 3. Check the cabling connections to the heating element. 4. Turn on the power and wait for the all-inone to initialize. 5. If, the error persists, replace the fuser. See Fuser on page 192. NOTE The device power must remain off for at least 20 minutes for the fuser to cool down and correctly reset. 51 Laser Error The all-in-one has experienced an internal hardware error. Turn off the power switch, wait at least 20 minutes, and then use the power switch to turn on the all-in-one and wait for it to initialize. 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 all-in-one directly into the wall socket. 3. Check the cabling connections to the laser/scanner assembly. 4. Try connecting the product to a different power source or surge protector. 5. Turn on the power and wait for the all-inone to initialize. 6. If the error persists, replace the laser/ scanner assembly. HP LaserJet 3050 all-in-one: See Scanner assembly on page 118. HP LaserJet 3052/3055 ENWW Control-panel messages 205