BROTHER HL-5370DW DRUM

The drum unit installed in your Brother HL-5370DW Laser Printer is a consumable component, and its good technical/working condition is very important for the overall print quality produced by your printer. Therefore, you must check the status of the drum unit frequently, and you should also clean the primary corona wire of the installed drum unit with each toner cartridge replacement. As a consumable component, the drum unit has a certain printing resource, which will be consumed eventually. Once this happens and the drum unit is near the end of its useful life, the built-in monitoring system will detect the abnormality in the drum unit status, and you will notice the following ''drum life'' warning signal: blinking in yellow. The recommended action in this situation is a new drum unit installation, in order to be avoided print quality problems. Please note that the is one of the indicators in the control panel, which is located below the and above the . If you decide to continue using your printer with a drum unit near the end of its useful life, then the remaining printing resource of the drum unit will be consumed very soon, which will be indicated by the following error signal: lit in yellow. In this situation your printer will be still operable, but the printing quality will be dramatically decreased, and also the toner won't be optimally used, which will lead to a faster exhaustion of the installed toner cartridge. Herein, you should replace the drum unit of your Brother HL-5370DW Laser Printer soon after the initial appearance of the warning signal.

The drum unit replacement in your Brother HL-5370DW Laser Printer requires the execution of a very simple procedure, which is even easier than the toner cartridge replacement procedure. The replacement procedure won’t take you more than 10 minutes, and there are no special tools required for its execution. Therefore, you should simply purchase a new drum unit for your HL-5370DW, and then install it by following the instructions given below.

In the first step of the replacement procedure, you must open the front cover by pushing down its release button, and then take out the drum assembly (toner cartridge+exhausted drum unit) by carefully pulling it towards you. After that, you must detach the still useable toner cartridge from the exhausted drum unit by pulling the cartridge towards you with your left hand and pushing down the blue lock lever, which is located on the right side of the drum unit. Please note that you should avoid touching the rollers of the toner cartridge and the new drum unit. Once the toner cartridge is detached, you must unpack the new drum unit, and then install the toner cartridge by pushing it into the drum unit with its contact area forward, until it clicks securely into place. Please note that the automatic movement of the blue lock lever to its original (elevated) position, indicates a correct toner cartridge installation. Once both components are assembled, you must completely insert them into the printer slot, and then reset the drum counter by pushing down and holding the [Go] button, until all four LEDs of the control panel light up. Finally, you must close the front cover and test your Brother HL-5370DW Laser Printer.