Epson WF-C878R Series User Manual page 190

Maintaining the Printer
13. Slide the maintenance roller toward the lever, and then remove them by taking the shaft out of the holder.
14. Insert the shaft of the new maintenance roller into the hole in the holder, and then slide the shaft on the lever
side along the slot while it is facing the flat surface at the front.
15. Lock the lever.
16. Insert the paper cassette.
17. Turn on the printer, select Settings > Maintenance > Maintenance Roller Information>Reset Maintenance
Roller Counter, and then select the paper cassette in which you replaced the maintenance rollers.
Related Information
"Maintenance Rollers Codes" on page 339
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Replacing Maintenance Rollers in Paper Cassette 1
190