• Code: 54.1501
• Description: Cyan CPR pattern cannot be read
• 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 cables between the color misregistration sensor and the DC controller are firmly connected. If the error persists, replace the color misregistration sensor. If the error persists, replace the ITB. If the error persists, replace the toner cartridge tray. If the error persists, replace the DC controller.

• Code: 54.1502
• Description: Magenta CPR pattern cannot be read
• 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 cables between the color misregistration sensor and the DC controller are firmly connected. If the error persists, replace the color misregistration sensor. If the error persists, replace the ITB. If the error persists, replace the toner cartridge tray. If the error persists, replace the DC controller.

• Code: 54.1503
• Description: Yellow CPR pattern cannot be read
• 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 cables between the color misregistration sensor and the DC controller are firmly connected. If the error persists, replace the color misregistration sensor. If the error persists, replace the ITB. If the error persists, replace the toner cartridge tray. If the error persists, replace the DC controller.

• Code: 54.1599
• Description: Black CPR pattern cannot be read
• 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 cables between the color misregistration sensor and the DC controller are firmly connected. If the error persists, replace the color misregistration sensor. If the error persists, replace the ITB. If the error persists, replace the toner cartridge tray. If the error persists, replace the DC controller.

• Code: 54.1600
• Description: Magenta toner level sensor error
• Remedy:

• Code: 54.1700
• Description: Cyan toner level sensor error
• Remedy:

• Code: 54.1800
• Description: Black toner level sensor error
• Remedy:

• Code: 54.1900
• Description: Bad top-of-page (TOP) sensor
• Remedy: