Epson EPL-N4000 Reference Manual page 179

4. While holding the new imaging cartridge horizontally, gently
shake it a few times to distribute the toner evenly.
5. Remove the attached sheet.
6. Open cover A by pulling the latch, then open the front cover.
Warning:
w
When opening the printer, do not touch the hot areas
indicated on the caution labels inside cover A.
Troubleshooting and Maintenance
latch
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