The Canon P23-DHV is a palm-sized portable printing calculator. The calculator is capable of performing complex calculations like time-based fee structures, profit margins and tax calculations. There is also an included clock and calendar, and the calculator can print in purple and red colored inks. Instructions for using the calculator include performing tasks before using the calculator, such as loading paper and batteries. Some maintenance for this device is also required.
Things You'll Need
- 4 AA batteries
- Paper roll
- Ink roller
Remove the insulation tape at the back of the calculator before using the P23-DHV for the first time, then load the batteries. Remove the battery cover by sliding it in the direction of the arrow. Insert the batteries and close the cover.
Insert printing paper by lifting the printer arm and placing the paper roll on the arm so that it will unravel counterclockwise. Turn the power switch on and press the paper feed key to advance the paper.
Perform some calculations, such as figuring taxes. Set the tax rate with the setting key by moving the switch to "Rate Set," and enter a rate, such as five percent. Move the switch to "PRT" and add the tax amount. For instance, if it is 2000, enter the "2," "0," "0," and "0" digits consecutively. Then press "Tax+". The printer will print "2000," "5%," "100" and provide a total of "2100," which is five percent of 2000 added to 2000.
Replace the ink roller as the type begins to fade. It should need replacing about every eight rolls of paper. Turn the power switch off and remove the printer cover. Hold the left side of the ink roller and pull it up and take it out. Insert the new roller and close the cover.
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