Question about Casio Parts Cash Register PC Desktop

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SHARP ER-A440 I bought SHARP ER-A440 cash register and I need to reset all totals to ZERO so I can start fresh how can I do it PLEASE HELP

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SRV Mode 989 . (x) TL

Job done.

Posted on May 18, 2010

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Put the key to X1/Z1 position....then press 100  . x TL and the u can start fresh...
and did u have the IC code for upgrading the PLU's memory for ER-A440 to 10.000 PLU's memory...??
please i need it....

Posted on Sep 10, 2009

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2. Master reset (All memory clear)
There are two possible methods to perform a master reset.
· MRS-1
Used to clear all memory contents and return machine back to its
initial settings and return keyboard back to default keyboard layout.
1) Unplug the AC cord from the wall outlet.
2) Set the MODE switch to the (SRV¢) position.
3) Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key, turn to (SRV) position
from (SRV¢) position.
· MRS-2
Used to clear all memory and keyboard contents.
This reset returns all programming back to defaults. The keyboard
must be entered by hand.
This reset is used if an application needs different keyboard layout
other than that supplied by a normal MRS-1.
1) Unplug the AC cord from the wall outlet.
2) Set the MODE switch to the (SRV¢) position.
3) Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key and RECEIPT FEED
key, turn to (SRV) position from (SRV¢) position.
5) Key position assignment:
After the execution of MRS-2, only the RECEIPT FEED and
JOURNAL FEED keys can remain effective on key assignment.
Any key can be assigned on any key position on the main keyboard

i found this on the manual at this site...

Posted on Jan 26, 2008

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I hope you did not reset the machine in the aformentioned method. If you have a service key there is a way to clear the totals but not like a Samsung. It involves z1 z2 and some 900 codes.

Posted on Nov 20, 2008

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1 Answer

I have sharp er-a420 it was in my garage for two years. I like to reprogram my register. I think I need to reset my register, I do not know how. Manager?s key does not do anything. When I plug it in on the...

Most Sharp register, including the ER-A420, have a rechargeable battery mounted inside to hold all memory when the power goes out. It should last a few months, but two years is a bit much. This might get it going:
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  2. Turn the key to PGM.
  3. Hold down both paper feed keys (at top-left of keyboard).
  4. While holding those two buttons down, plug the power back in.
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