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For accounting offices and stores, calculators that produce a printed paper are indispensable. Canon's desktop or commercial printing calculators use ribbon tape, and you'll need to change the ribbon when it is used up. All Canon desktop and commercial printing calculators use the same method for changing the ribbon.
Turn off the calculator.
Pull up on the tab on the far side of the printer cover to remove the cover.
Pinch together the ribbon lock (the arrow shows you the direction to pinch). Lift the ribbon spools off the shafts and discard them.
Separate the new ribbon spools. Guide the ribbon tape around the four guiding pegs and set the spools on the shafts. The spools should be peg side down.
Rotate the spools so the peg at the bottom of the spool goes into the hole of the spool holder. Release the ribbon locks.
Rotate the spools to make the ribbon taut, keeping the ribbon positioned around the guide pegs.
Replace the printer cover and turn the calculator on.
Some searching about suggests this system has been around for a while. The Royal website has the ribbon at royalsupplies com Looking a bit further, their collections of manuals doesn't include the 310PD, but the site says that if your product isn't listed, to call their help line at 888-261-4555. This is likely your best bet for finding some assistance from people who know the product.
Check "Owner Manual" of that device or search on the web specialized sites. Eachdevice hasits specificmodeof operation.Do not makeimprovisations. Itmaydamage thedevice.
Hi, You need a new ribbon. Older or much older desk top calculators used a small sized ribbon such as the old typewriters used except that the reels were about 1 inch across. Often they were divided into a red and black side. It the calculator had all of the numbers strike the paper at the same instant, then it would use an ribbon. Here is a link to an Amazon.com page that sells the correct ribbon for your calculator.
the G24 ribbon is having 2 round shape casing. u need to take it out from the knob. but be careful when u install a new ribbon, make sure u slot in the ribbon in correct way
This is most likely a ribbon impact system. Any office supply store should have the ribbon you need, with information on compaitability on the package.
Remove the paper roll and gently but firmly pry on the bezel surrounding the paper exit path. Examine the sides of the ribbon casing for any clips or fasteners.
Remove the paper tape by pulling it back out of the calculator.
Feel along the back of the calculator right below where you insert the paper tape for a ridge. Gently lift up on this ridge and a plate will lift out of the machine exposing the ribbon.
Make a note to yourself as to how the old ribbon is in the machine before removing the old ribbon. Just gently lift straight up on both of the spools and the ribbon will lift out of the machie.
When you insert the new ribbon make sure that the ribbon is feeding off of the back side of both spools. You can use a small screwdriver or toothpick etc to position he new ribbon to keep the ink off of your fingers. Make sure the new ribbon feeds around the plates on both sides of the machine and it fits behind the roller that has all the numbers on it and that the red portion of the ribbon is on the bottom.
Take the plastic plate that you removed first and insert the tabs in the front underneath edge of the case on the front and gently push the back side of the plate straight down till it smaps into place.
Refeed the paper tape back into the machine and you are finished!
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