Question Canon MX850 printer head stuck on the right under the plastic, wont move because B200 error

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Same problem - This guy had the same problem as me 6 years ago so I wont write it again. I need help with only one thing - in the post he said that he moved the printer head that was stuck on the right to the middle MANUALLY, however there is no explanation HOW he did it, so if any of you know how to move Canon MX850 printer head manually to the middle please answer me i need your help (please provide pictures if possible)

 

[Cyberat_88]

Forcefully, which may break some of the things holding it, use at own risk.
Laser is just too cheap not to save on ink nowadays, and laser dust does not evaporate when not used.
I presume you tried the Maintenance options, such as align print and head, from the software ?