Description: The product has experienced a firmware error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, perform an NVRAM initialization. If the error persists, update the firmware. If the error persists, replace the formatter
Code: 50.1
Display: 50.1 Fuser Error
50.1000
Description: The product has experienced a low fuser temperature error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that the thermistor connection in the upper left of the fuser area is firmly connected. If the error persists, verify that the J150, J156, and J157 connections on the DC controller are firmly connected. If the error persists, replace the fuser.
Code: 50.2
Display: 50.2 Fuser Error
50.2000
Description: The product has experienced a slow fuser error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that the fuser heat roller and pressure roller surfaces are not damaged. If the error persists, verify that the fuser motor rotates freely and that the gears are not damaged. If the error persists, replace the fuser. If the error persists, replace the DC controller
Code: 50.3
Display: 50.3 Fuser Error
50.3000
Description: The product has experienced a general fuser error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that thermistor connection J706 in the upper left of the fuser area is firmly connected. If the error persists, replace the fuser. If the error persists, replace the power supply. If the error persists, replace the DC controller. If the error persists, replace the low-voltage power supply.
Code: 50.4
Display: 50.4 Fuser Error
50.4000
Description: The product has experienced a fuser drive circuit error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that the fuser heat roller and pressure roller surfaces are not damaged. If the fuser is damaged, replace the fuser. If the error persists, replace the fuser motor. If the error persists, replace the power supply. If the error persists, replace the DC controller. If the error persists, replace the low-voltage power supply.
Code: 50.7
Display: 50.7 Fuser Error
50.7000
Description: The product has experienced a fuser open error.
Remedy: 1. Turn off the power by using the power switch, and then wait at least 30 seconds. 2. Turn on the power and wait for the product to initialize. If the error persists, verify that the J150, J156, and J157 connections on the DC controller are firmly connected. If the error persists, replace the fuser. If the error persists, replace the power supply. If the error persists, replace the DC controller.