SOURCE: lsu error
clean the inside dust by vaccum cleaner if not solve contact samsung technician to replace LSU
SOURCE: what is mean by LSU error of samsung all in one
LSU = laser scanning unit. I have a similar problem and i solved it by reseting my printers memory. You must enter tech mode. --> Data setup --> Clear all mem
SOURCE: how to troubledhoot the LSU error on samsumg
repalce laser unit or check menu # 1931 lsu mirro test
SOURCE: I want to download driver for my Samsung
Good day Sir, You can download your Samsung scx-4521f driver in the link below.
Printer Driver
Have a nice day.
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