Brother HL 5370DW - Manual (Page 122)

Routine Maintenance
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e Wipe the two paper pick-up rollers (1) inside the printer.
f Put the paper tray back in the printer.
g Make sure that you have turned off the power switch, and then connect the power cord and interface
cable to the printer.
h Plug in the power cord and turn on the power switch of the printer.
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