Brother HL 2700CN User Manual

6 - 8   TROUBLESHOOTING
JAM A1 / JAM A2 (paper jam in the paper tray)
If there is a paper jam in the paper tray, follow these steps: 
1Pull out the paper tray.
2Take out the jammed paper.
Figure 6-2
3Put the paper tray back in the printer.
4Open the back cover. If there is any jammed paper where the paper comes out, remove it.
5Close the back cover.
■Do not touch the toner surface of the jammed paper. It might stain your hands or clothes.
■After removing the jammed paper, and the next printed page is...

TROUBLESHOOTING   6 - 9
JAM B (paper jam at the entrance to the fusing roller)
If there is a paper jam at the entrance to the fusing roller, follow the same steps to remove the jammed 
paper as for JAM C (paper jam where the paper comes out of the printer). Otherwise, follow the steps 
below: 
1Open the back cover.
2Remove the jammed paper by holding it with both hands and pulling it slowly toward you.
Figure 6-3
3If the paper is caught in the registration roller, remove the jammed paper by holding it...

6 - 10   TROUBLESHOOTING
If the paper is caught in the fusing roller, follow the steps below:
4Open the back cover.
Figure 6-5
5Release the fusing unit pressure release levers on both sides.
Figure 6-6
6Remove the jammed paper at the back of the printer by holding it with both hands and pulling it 
slowly toward you.
Figure 6-7
7Lock the fusing unit pressure release levers and close the top cover.
8Close the back cover.
 

TROUBLESHOOTING   6 - 11
JAM C (paper jam where the paper comes out of the printer)
If paper has passed behind the back cover and there is a paper jam where the paper comes out, follow 
the steps below:
1Open the back cover and release the fusing unit pressure release levers.
Figure 6-8
2Remove the jammed paper by pulling it out slowly.
Figure 6-9
If you have the duplex unit installed, open the duplex back cover and then the duplex inside unit first 
before opening the back cover of the printer.
JAM C
 

6 - 12   TROUBLESHOOTING
3Reset the fusing unit pressure release levers.
Figure 6-10
4Close the back cover.
Figure 6-11
 

TROUBLESHOOTING   6 - 13
JAM D (paper jam in the lower part of the duplex unit)
If there is a paper jam in the lower part of the duplex unit, follow these steps: 
1Open the duplex back cover.
Figure 6-12
2Remove the jammed paper by pulling it out slowly. 
Figure 6-13
3Close the duplex back cover.
JAM D
 

6 - 14   TROUBLESHOOTING
JAM E (paper jam in the upper part of the duplex unit)
If there is a paper jam in the upper part of the duplex unit, follow these steps: 
1Open the duplex back cover.
Figure 6-14
2Open the duplex inside unit.
Figure 6-15
JAM E
 

TROUBLESHOOTING   6 - 15
3If the paper is caught in the lower exit of the duplex unit, remove the jammed paper by pulling it out 
slowly.
Figure 6-16
4If the jammed paper is at the upper exit of the duplex unit, remove it by rotating the green pinch roller 
downwards to feed the paper out through the exit of the unit.
Figure 6-17
5Close the duplex inside unit and the duplex back cover.
 

6 - 16   TROUBLESHOOTING
Improving the print quality
If you are having problems with print quality, please do a test print first (press the Set button 3 times).
If the problem appears on the printout, then match it to one of the examples below and follow the 
recommendation. If the problem does not appear on the test print, please check driver settings and the 
interface cables as the problem may not lie with printer.
You can resolve a print quality problem by replacing a toner cartridge with a new one...

TROUBLESHOOTING   6 - 17
Colored streaks or bands down the 
page1) Identify the missing color and replace that toner cartridge.
2) Replace the OPC belt cartridge.
Colored lines across the page Identify the missing color and replace that toner cartridge.
White spots or hollow print 1) Change the paper to freshly unpacked paper, and then check that the 
problem was solved.
2) Check that the recommended paper was used.
3) Check that the room temperature is higher than 10 °C (50 °F)
Completely blank or some...