Question about Retail Supplies
I hvae tried to power off and on.. tried clear key all in reg mode.
Did you sort out this problem?
If not, please let me know the brand and model
Posted on Jan 02, 2015
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Posted on Jan 02, 2017
It is usually caused by a faulty or dirty mode switch. The first thing to try is squirting a bit of electrical lube down the key hole (WD40 or similar works fine), then turn the key back and forth a few times. Otherwise, the contacts inside the switch may have failed. I have also had a loose connector on the main board cause this in another model, so you could try pushing the connectors inside and make sure they are tight.
Hope this helps. You can set the void button to work in REG mode if you don't want to get the MGR mode fixed. Just let me know and I can look up the codes for you. You should be able to refund items as well (unless this has been set work in MGR mode also).
Posted on Dec 11, 2008
u mean no power at all?
If yes, try to reset it. (NOTE: This method will RESET all of ur programmed data!)
1. Off power
2. Take out the AA size backup battery
3. On Power
4. The machine should show "0000000000"
5. Fix the AA battery in
6. Program the Date & Time
Posted on Sep 15, 2009
If the machine is dead, then you probably have a bad battery. It should be changed every 3 to 5 years by the dealer. If it has been left too long, then this is a common symptom and the machine loses all programming. Otherwise, you may have a faulty power supply or mode lock unit. It sounds like you need to see a dealer about it.
If anyone is looking for a Sharp ER-A470 manual, see here:
Many more available at
Posted on Mar 28, 2010
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