To create fix firmware reset for printers Samsung
SCX-3400F /  SCX-3405F / SCX-3405FW need to know
printer series (SN)   CRUM serie   and  firmware version

This information can be found by printing the reports of the printer:
Configuration   and Supplies Information

MENU> SYSTEM SETUP  > REPORT > CONFIGURATION   > YES
MENU  > SYSTEM SETUP  > REPORT > SUPPLIES INFO > YES

If the printer NOT allows you to print the page (or the cartridge is at  0%)
quickly type the following key combination to print reports in TECH MODE

MENU # 1934  MENU >TECH MODE > SYSTEM SETUP  > REPORT > CONFIGURATION   > YES
MENU # 1934  MENU >TECH MODE > SYSTEM SETUP  > REPORT > SUPPLIES INFO > YES

In the 2nd part (min 2:10 – 6:24)  can be seen
– How simple it is to install fix firmware reset  sent by us
– Working cartridge without chip (covered with tape or taken out)
– Counters reset to 100% after each stop/ start the printer

After reset is  necessary only refill toner cartridge
Video refill, disassembly, cleaning cartridge MLT-D101
https://www.ereset.com/refill/reincarcare-refill-cartus-mlt-d101/

Firmware version available to reset
. SCX-340x F SCX-340x FW	3.xx.01.10 3.xx.01.12	3.xx.01.13 3.xx.01.17	3.xx.01.18 3.xx.01.19
	Price : 18$ / 13EUR

Firmware version  3.xx.02.xx can’t be reset remotely, only debug printer
.

How to order fix firmware reset ?
Place quick order!
Discount % % % !

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Other details  :
1/3 Installl printer  https://www.youtube.com/watch?v=hGyasSCZn6Q
2/3  Install  Easy Printer  Manager   https://www.youtube.com/watch?v=NcoP01gczb0
3/3  Install  wireless (SCX 3405FW) https://www.youtube.com/watch?v=fZq8iPngmdY
Wireless scan   (SCX 3405FW) https://www.youtube.com/watch?v=1bQYNaxg5Nw
Softpedia Forum https://www.forum.softpedia.com/topic/906093-samsung-scx-340034053407-reincarcare-cartus-mlt-d101-toner-refill-resoftare-reset-contoare-si-altele/