#324 chak printer alram cameing - Canon FAX-L250

When you power on your fax machine and display show DATA ERROR its mean that 3 volts battery on the main board expired and lose all data fax number, logo and related with cartridge ink data so first of all you replace the battery. (this is a pure technical job and if your are not a technician you must take help of a technician)
After replacement of battery you power on fax machine and press
function key display show DATA REGISTRATION
press # display show #1SSSW
press left arrow key one time display show TEST MODE
press start/copy key display show TEST MODE [1]-[8]
press # display show AMI MODE
Press 7 display show FACULTY 1-6
press 5 display show INK CHECK 1-2
press 2 and start key
display show INK=YES and INS (ink level any one within 100 for example 42/205 you just remember first two digit of lest side)
press stop display show FACULTY 1-6
press 6 display show LOST INK CHECK
press start/copy key display show LOST INK CHECK [1]-[2]
press 2 display show SET LOST CNT
press start/copy key display show LOST INK= (here you enter the last left side two digit which you remember for example 42)
press start/copy key
press stop two times
and unplug fax and plug again now your fax machine is okkkkk
NOTE:- If you can't get the success first time you must try until you get the success because this is the only way to get success