Oki MC573 User Manual page 161

11
Hold the cartridge, pinch the tip of blue lever (c) of the toner cartridge, and turn
forward until the tip aligns on the lug of the cartridge.
• If you close the output tray without turning the blue lever when installing the toner cartridge into the image
drum, it may cause a malfunction. Be sure to turn the blue lever until its top aligns on the lug in the back of the
toner cartridge.
• If the toner cartridge is not securely attached, printing quality may deteriorate.
12
Wipe the lens of the LED head with a soft tissue paper lightly.
Do not use solvents, such as methyl alcohol or thinners. They damage the LED head.
13
Close the output tray (b) slowly and push the center of the output tray for
confirmation.
14
Hold the handle (B) to close the scanner unit (a).
Do not close the scanner unit vigorously. It may cause the document feed roller of ADF to fall and get in the way
of loading documents.
If the document feed roller of ADF has fallen, open and close the ADF cover.
15
Please recycle toner cartridges.
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8. Maintenance