I' ve a problem with copier ar 5516. i need information about using of developer. where i must to put the developer? the toner AR-021FT IS COMPATIBLE WITH THIS COPIER?

See troubleshooting section of user manual at page 65
Troubleshooting - Sharp AR-5516 Operation Manual [Page 66] ' ManualsLib

Question edited for clarity, 'sharp at 5516' to 'Sharp AR-5516'.

Remove the toner cartridge and clean the contacts on both the cartridge and the copier with alcohol. Tap the cartridge on both ends to settle the toner. Make sure you are using genuine Sharp replacements.

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Yes. It is compatible. But, before switch it ON; after the replacement, keep a distance from that device. It will be safe for U.

AR 021FT

sharp ar 5516 showing ( - - - ) what's the solution

you are check and fix connection between toner cartridge and mcu pwb

F2 fault code

The blinking man who we refer to as Mr Bill is a "time for maintenance light". Just ignore it, the machine will keep working.

Below are the F2 errors and causes for Sharp AR-M160

"F2-31" Image density sensor fault
"F2-32" Drum mark sensor fault
"F2-33" Grid voltage correction problem
"F2-35" Grid voltage correction problem
"F2-37" Drum mark sensor fault

Cause : CRUM chip defect OR Improper developing unit
Check and remedy : As you have already replaced the tonner, we can suggest Replace the CRUM chip,Replace the developing unit

Regards,
Shrey

During installation , use sharp ar205 developer and sharp ar021 toner cartridge. This shows you did not use developer or used the wrong ones, good luck.