Brother HL 2070NR User Manual

Routine maintenance
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5
3Clean the primary corona wire inside the drum unit by 
gently sliding the blue tab from right to left and left to right 
several times. Return the tab to the home position (▲) 
before you put the drum unit back in the printer. If you do 
not, printed pages may have a vertical stripe.
4Put the drum unit and toner cartridge assembly back in 
the printer. Close the front cover of the printer.
Home position (▲)
 

6
6 - 1
6Troubleshooting
You can correct most problems by yourself. If you need additional help, the Brother Solutions Center offers 
latest FAQs and troubleshooting tips. Visit us at http://solutions.brother.com
.
Identifying your problem
First, check the following:
■The AC power cord is connected properly and the printer is turned on.
■All of the protective parts have been removed.
■The toner cartridge and drum unit are installed properly.
■The front cover is fully closed.
■Paper is inserted properly...

Troubleshooting6 - 2
6
Error messages in the Status Monitor
The Status Monitor will report problems with the printer. Take the corrective actions listed in the following 
table for the error message that the Status Monitor reports.
The default setting for the Status Monitor is off. If you would like to turn the status monitor on, you can change 
the setting of the Status Monitor in the  Device Options of the Advanced  tab. See Device Options  on page 
2-6.
Error message Action
Cover is open ■Close the...

Troubleshooting
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6
Error message printout
The printer will report problems by printing an error message as defined in the following table. Take the 
corrective actions for the error message.
Error message Action
MEMORY FULL■Press the Go button to print the data left in the printer. Cancel the print job if 
you want to delete the data remaining in the printer, see Cancel printing on 
page 3-7.
■Reduce the print resolution or reduce the complexity of your document.
PRINT OVERRUN■Press the Go button to...

Troubleshooting
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6
Paper handling
First, make sure that you are using paper that meets Brother recommended paper specifications. See What 
kind of paper can I use? on page 1-4.
Problem Recommendation
The printer does not feed 
paper.■If there is paper in the paper tray, make sure it is straight. If the paper is 
curled, you should straighten it before printing. Sometimes it is helpful to 
remove the paper, turn the stack over and put it back in the paper tray.
■Reduce the amount of paper in the...

Troubleshooting
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6
Paper jams and how to clear them
If a paper jam occurs, the printer will tell you by flashing the paper LED as shown below.
Clear the jammed paper as follows. 
If the jammed paper is removed completely by following the steps below, you can install the paper tray first, 
and then close the front cover and the printer will resume printing automatically. 
If the printer does not start printing automatically, press the Go button. If the printer still does not start printing, 
please...

Troubleshooting
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6
2Pull the jammed paper up and out of the printer.
3Open the front cover.
4Pull out the drum unit and toner cartridge assembly 
slowly. The jammed paper will be pulled out with the 
drum unit and toner cartridge assembly.
CAUTION
To prevent damage to the printer caused by static 
electricity, do not touch the electrodes shown in the 
illustrations.
 

Troubleshooting
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6
5Open the back cover.
6Pull the tab toward you to open the rear chute cover.
7Pull the jammed paper out of the fuser unit. If the jammed paper cannot be pulled out easily, push down 
the tab with one hand as you gently pull the paper out with other.
Rear Chute Cover
 

Troubleshooting
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6
8Close the back cover.
9Push the lock lever down and take the toner cartridge out 
of the drum unit. Take out the jammed paper if there is 
any inside the drum unit.
0Put the toner cartridge back into the drum unit until you 
hear it lock into place. If you put it in properly, the lock 
lever will lift automatically.
HOT SURFACE
After you have just used the printer, some internal parts of 
the printer are extremely hot! Wait for the printer to cool 
down before you touch the...

Troubleshooting
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6
APut the drum unit and toner cartridge assembly back in 
the printer.
BPut the paper tray firmly back in the printer.
CClose the front cover.
DMake sure that the Paper LED is now off and the printer is ready.