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It only tells you if you have a custom rom or an official rom and also that mode will let you download and install unofficial roms using a pc/laptop. Be mindful though that it will void your warranty. If you don't know what your doin, i advise you to just take off the battery to close that mode.
May 1, 2008 - I really like the SAM4s ER-650 Cash Register and ER-650R Cash Register. ... By the way the SAM4s ER-650 and ER-650R is the same as the Samsung ER-650 and ... I can't seem to figure out how to program it to track ticket/check #'s. .....also, neither the Reg Key or Mode Key will turn to SM mode. help?
If not, you will need to go to the SM mode and configure either RS-232 port 1 or port 2... Press enter (cash key) through the rest of the options. ... I could not get the curserinto the plu numeric field once i entered the plu. .... There are manuals for the SAM4s ER-650 at http://www.cashregisterguys.com and if you are looking for ...
If your Samsung S4 is in warranty then, visit nearest Samsung store or you can also,contact any nearest technician who can get the screen replaced for you on market rate or less.
Remember it will the void the warranty of your phone.
Dismantling the phone will void the warranty. Your best option is to take out the battery. Put the phone in a ziplock bag full of rice. Leave it overnight. The rice should absorb the water and moisture left in the phone.
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If your printer prints like this: The problem is with the developer in the imaging unit. The problem can be fixed by either replacing the imaging unit for $100+ or you can fix it yourself by cleaning the imaging unit. You will need simple hand tools and if you are careful restore the print quality of your printer. I have a link to instructions that should help you http://www.fixya.com/support/r4120906-clean_developer_blades_samsung_clp_300 Hope this helps you.
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