Has the developer been replaced? Did you also replace the drum and cleaning blade also??? Normally done together. To run F8 procedure/Developer Charge, make sure the counters where cleared FIRST? IF not then the copier thinks the new drum and new developer are old. The copier works on the counters that is how it knows it got a new drum and developer. Get new developer and a new drum and have it installed correctly. Counters are clear before the unit is yanked out of the machine, then you remove the image unit/drum unit replace the developer/drum and cleaning blade. (DO NOT USE A VACUUM CLEANER WHEN REPLACING THE DEVELOPER static electricity can destroy the sensor located below the developer unit. Then reinstall and RUN F8/Developer Charge. Make sure the fax line and Ethernet cable is removed can't print anything until the F8 is run. Or you will start all over again with new developer and a new drum. service mode, is Counter, details, stop 00 stop 01, function
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f
SOURCE: How to enter sevice mode on the Konica BizHub 350?
Administrator pw is "000000000"
Service pw is Utillity + counter + "stop" 0 0 "stop" 0 1
stop 9 mode 1
I’m happy to help further over the phone at https://www.6ya.com/expert/mustafa_06f84c65ab5cc745
SOURCE: how do i enter program for di152f to run f8
stop 0 0 stop 0 1
enter administrator code 12345678
F functions
F8
How to enter service mode on bizhub 164 + bizhub 215
Sir, Mam, When the developer was changed did the tech use a vacuum cleaner if so he may have destroyed the ATDC sensor. Clear counters first EXIT once THEN POWER OFF Master Power Rear left side (DO NOT EXIT ALL the WAY OUT OF SERVICE MODE), dump old developer, install new developer run F8. Do not run copies or prints before running F8 Remove Ethernet cable and FAX line to prevent any printing.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f
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