How do I fix this copystar CS1810 error code E71

ask the mfg.

A complete list of Copystar error codes is here:
Copystar Error Codes

The E70 its a troubleshooting original placement and memory errors:
1. Remove originals and replace them in the original table when the "E70" or "E71" errors display.
2. Remove originals placed on the original tray and allow the copy job from the plate to complete when the "E72" error displays.
3. Remove originals remaining in the original table when the "E90" error displays, indicating that the memory is full. Press the button with a "%" sign on it, labeled recall, to print the copies of the originals that have already been scanned. When printing completes, place the remaining originals back into the original tray and press "Start" to continue copying.

Hope helps.

J00 means that the machine did not pick. remove the cassette and the put back and press start again

what do E310 mean on a panasonic copier 7722

The toner auger is probably clogged up. You will have to disassemble the whole dev unit to clean it out.

Yes, your drum is worn out.

The fuser needs to be reset.

Take Out Toner Cartridge. Looking straight through there should be a tiny switch that tells the machine there is a toner cartridge present. It might have just gotten out of position or may be broken, which means you'll have to replace it!

I'm sorry, Copystar is not a brand I am familiar with.

Be blessed.