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A bit more details about the audit...
Tube inventory
The tube inventory visible on the display comes from the information sent by
the coin changer. This will vary depending the coin changer you have.
If you have an MDB Level 2 coin changer (3-tube or 4-tube), the inventory
information sent by the coin changer to the 9900X is very limited. There are
only two coin level sensors in each tube: Low & High. Between those, the
coin changer does not know how much coins there is in the tube. It is then
important to fill up the coin tube the proper manner (Consult Annex 3 at the
end of this manual on how to fill up the tube properly). If you need, you can
adjust this inventory manually. When you see a tube value on the display,
press on the green button. First digit will start flashing. Adjust the number
using either the red or blue button. Press green to switch digit. Once done,
press green to confirm the new value.
If you have an MDB Level 3 coin changer (MEI 5-tube or Coinco 6-tube), the
tube inventory is managed in real-time. The coin changer knows exactly
how much money there is in the tubes, no matter their respective level.
When you have such a coin changer, you cannot adjust the inventory manu-
ally like described in the previous paragraph.
Coin box
The amount visible in the Coin box meter is the money present in the box
since the last time this counter was cleared. If the last time you picked-up
the money you cleared this meter, and if it tells you today there is $145.35 in
the box, there is $145.35 in the box. This amount is NOT the sales. You
cannot and must not use this meter as being the value of the copies sold. If
a customer inserts a $1 coin and if that coin did not go to the tube meaning it
went into the box, the coin box will show $1. Then, the customer makes a
20¢ copy. The sale is 20¢, not $1.
Bill box
The amount visible in the Bill box meter is the money present in the bill cas-
sette since the last time this counter was cleared. If the last time you picked-
up the bills you cleared this meter, and if it tells you today there is $95 in the
bill box, there is $95 in the cassette. This amount is NOT the sales. You
cannot and must not use this meter as being the value of the copies sold. If
a customer inserts a $5 bill, the bill box will show $5. Then, the customer
makes a 20¢ copy. The sale is 20¢, not $5. And worst, if the customer
presses on coin/card return to get change back without making copies, the
sale is $0 but bill box shows $5.