Check to see that nothing is blocking your cartridge assembly from moving laterally. Unplug the A/C cord from your B640 and manually move the cartridge to the center of the rail. Close the front door which houses the cartridge assembly. Plug the A/C cord back into your unit. The unit should reinitialize and after doing so rest the cartridge to the far right end of the rail. This may not fix your problem, but it will confirm whether there is a cartridge transport problem. This is just the beginning in troubleshooting your problem.
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CHK PRINTER 5100 / SEE MANUAL
Movement of the Holder is blocked.
the paper jam or foreign object that is preventing the Holder from
moving, then turn off the machine and turn it back on again.
There may be an obstruction that is not allowing the Holder mechanism to move.
for any obstruction (paper clip, small object, etc.) and also that the
protective tape are removed from the FINE Cartridge. Check also for a
paper jam and clear the jam if necessary . Then press [Stop/Reset] and
The FINE Cartridge may be defective.
[Stop/Reset]. Reinstall the FINE Cartridge (see Prepare the Machine )
and start again.In either case, if the error does not clear, try
unplugging the fax. Wait several minutes, then plug it back in. Also,
try replacing the FINE Cartridge with a new one.
An error requiring servicing might have occurred.
off the machine, and unplug the power cord of the machine from the
power supply. After a while, plug the power cord of the machine back in
and turn on the machine. If the same error occurs, contact the service
To reset waste tank full error in MP730. 1. Hit the "menu": Key 2. Hit "Copy" Key 3. Hit "#" Key 4. Scroll thru the menu headings until you come to "Test Mode" - 12th heading 5. Hit the "3" button- this will bring up Eprom Clear 6. Hit "0" button 7. Hit the "Stop" button Can only try then your printer go on longer but some time the other you will need to clean out the waste ink it inside the printer all got to be open up to do this. Ok I have put a MP-Tools in my website for you to try out this tools are for reseting your inks plus it can do much more.
Make sure the line has a dial tone with a regular old 20th century analog phone plugged into the FAx line. Once that's verified, unplug FAX line from printer. Unplug Printer power. Wait 60 seconds. Insert FAX line again. Plug in printer. As it warms up, keep hitting CLEAR ALL and STOP buttons to skip the status page printing.
If that doesn't work, turn off printer and then hold CLEAR ALL and STOP buttons (at the same time) while turning on printer. Once the display gets into the calibration mode, keep tapping those two buttons. This should free you to get to the menu.
Do NOT pay the $360 XEROX wants to fix this common glitch on this poorly-designed printer. This is not a serious problem in 90% of the cases, but a glitch in the software that runs the printer.
In this case first we need to chk whether there is any dial tone on ur fax machine for that u need to Hit the Options button till u find an option saying On Hook Dial now hit select and it should give u a dial tone if it doesnt check the Phone Line Connections...........
If it gives u a dial tone...........
Unplug the Power Supply from the Printer........
Press and hold the Stop/Clear button and while holding the Stop/Clear button insert the Power Supply back to the Printer........
It will say clearing and then display a page where u need to Selct ur Country and the other details........
and as soon as this is done u can send and recieve faxes.......
The printers memory may be full depending on the type of documents they are printing. The first and most simple step is to unplug the power cord from the back of the unit for 30 seconds, put your finger on the stop key while plugging the unit back up and continue holding the stop key until the time and date are back on the display of the Brother unit.
If that does not work unplug the USB cable from the PC. Unplug the power cord from the unit again. Put your finger on the menu key first and then plug the unit back up. You want to hold the menu key unit the until the LCD says maintanence and all the lights are flashing. Let the menu key go and press the number 82 and will give you an error code. If the error code is 00 then there are no errors. If there is an error code record it and contact brother or check a service manual if you have one. Most laser products all have the same error codes with Brother.
To reset the unit press stop and then 91, this will reset the unit and all faxes or print jobs will be lost. This should clear the issue.
Check all other carts. It might be that one (or more) carts are empty, too. Thats why the machine refuses to work properly.
Unplug from power, wait two minutes and replug again.
If it doesnt come up correctly the maincircuit baord might be defective due to a defective electrical part.
Do leave the machine always on power connection. You can turn it off by pressing the stand-by-fax button, but you have to keep the machine with power supplied. Set date and time. The machine runs some automatic cleaning cyles every 20 days to keep the nozzles alive and that prevents the permanent ph from drying out!
first clear all files from the memory cards (if there is)
enter "001" and press "set" to delete all files
enter "1" (page 143 )
take the battry out (page 196)
unplug the device for a day and assemble it
hope it works