Brother HL 2700CN User Manual

5 - 26   ROUTINE MAINTENANCE
11Open the front cover of the printer.
Figure 5-43
12Take all the toner cartridges out of the printer.
13Clean the surface of the laser unit with a cotton cloth.
Figure 5-44
14Open the dust proof glass cover.
Figure 5-45
 

ROUTINE MAINTENANCE   5 - 27
15Clean the surface of the dust proof glass with a dry cotton swab.
Figure 5-46
16Close the dust proof glass cover.
17Put all the toner cartridges and the OPC belt cartridge back in the printer.
18Close the front cover and the top cover.
19Plug the printer into the AC power outlet/socket, and then turn the printer power switch back on.
Do not use volatile liquids such as thinner or benzene for cleaning the dust proof glass. This might 
cause poor print quality.
Do not use...

5 - 28   ROUTINE MAINTENANCE
Shipping the printer
■Once your printer has been set-up and used, we do not recommend that it be moved or shipped 
unless absolutely necessary.
■Color laser printers are complex printing devices. Moving the printer or shipping it without 
properly removing the installed supplies can result in SEVERE damage to the printer. As a 
result, your printer may not operate properly afterwards.
■If the printer must be shipped, please go to http://solutions.brother.com
 for a detailed,...

TROUBLESHOOTING   6 - 1
6
LCD messages
If any problems occur, the printer automatically stops printing, diagnoses the problem, and displays the 
resulting message on the LCD to alert you. Take the appropriate action, referring to the following tables. 
If you cannot clear the problem, call the dealer you bought the printer from or Brother Customer Service.
. 
Error messages
When any one of the following messages appear, the printer will stop operating.
Troubleshooting
If you do not follow the...

6 - 2   TROUBLESHOOTING
NO TRAY 1/2
The indicated paper tray was not detected,install it, or make sure it is inserted 
properly.
SIZE ERROR T2
Specify the correct paper size for the indicated tray.
SIZE ERROR DX
Can only Duplex on specified sizes. Check the printer driver settings and the 
paper size in the paper tray.
STACKER FULL
Remove the paper from the output tray.
MEDIA MISMATCH
Media mismatch between the Printer and the Printer Driver setting. Put XX in 
Tray .XX = Plain Paper, 
Transparencies,...

TROUBLESHOOTING   6 - 3
Maintenance messages
Error MessageMeaningAction
J J F J
K   C   M   YWhen the J mark blinks (F), the 
indicated color toner is nearly 
empty. K: Black, C: Cyan, M: 
Magenta, Y: Yellow. When the 
toner becomes empty, the J 
indicator disappears completely.Be ready to replace the toner 
cartridges when the toner is nearly 
empty. Replace it when the toner 
becomes empty.
REPLACE OPC BELTIt is time to replace the OPC belt 
cartridge.Replace the OPC belt cartridge.
REPLACE FUSERIt is...

6 - 4   TROUBLESHOOTING
Call service messages
When any of the following messages appear on the LCD, turn off the printer. Wait a few seconds, and 
then turn the printer on again. If this does not clear the problem, call your dealer or Brother Customer 
Service. Tell them the message number for quick troubleshooting.
Call Service 
MessageMeaningAction
ERROR S01
SERVICE CALLFatal error EX Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR S02
SERVICE CALLADRL error EX Turn off the...

TROUBLESHOOTING   6 - 5
ERROR H66
SERVICE CALLNVRAM write error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR H67
SERVICE CALLNVRAM read error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR H68
SERVICE CALLNVRAM bus error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR H73
SERVICE CALLFlash read error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR H74
SERVICE CALLFlash write error Turn off...

6 - 6   TROUBLESHOOTING
ERROR EF0
WARNINGCooling fan error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR EF3
WARNINGLaser fan error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR EF4
WARNINGFuser fan error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR EF5
WARNINGCharger HV unit error Turn off the printer. Wait a few seconds, and 
then turn it on again.
ERROR EF6
WARNINGLVPS error Turn off the printer. Wait a few...

TROUBLESHOOTING   6 - 7
Paper jams and how to clear them
If paper jams inside the printer, the printer will stop. One of the following LCD messages will appear to 
tell you where to find the jammed paper.
Figure 6-1
Paper may jam in the paper tray, inside the printer, at the back cover, or where the paper comes out of 
the printer. Check where the jam is and follow the instructions on the next few pages to remove the 
jammed paper.
If the error message still appears on the LCD after you remove the jammed...