BelkaCTF #6: Bogus Bill

BelkaCTF #6 is over, the gang of money forgers is all caught. Thank you for being a part of this! Congratulations to the winners:
Student track: its5Q, belkakaka, kiwi
Professional track: sinsa, sm233, teo4n6

đź“„ BelkaCTF #6: Bogus Bill write-up

Sitting in the lab, I pondered over our current case. It's remarkable how just one bill led to such discoveries. As I sifted through artifacts in my Belkasoft X, I suddenly realized I knew the model of the printer used to print the fake bills. Eureka! I need to inform the Chief.

Tricky
357
Device
Solved 51 times

What's the printer model they used to print money?
For example, Canon Color imageCLASS MF656Cdw

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