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Kyocera error code Replace the toner.

Quick answer

The toner container is empty and must be replaced. Kyocera documents an earlier, separate message — "Toner is low. (Replace when empty.)" — which is a warning that the container is nearing its end, not an instruction to change it yet. Waiting for the replace message avoids discarding usable toner.

Before you try the solution

  1. 1. Copy the complete message exactly as shown, including any letters, spaces, or punctuation around Replace the toner..
  2. 2. Find the printer's exact model number. The same-looking code can mean something different on another model family.
  3. 3. Let the current print, scan, or update operation stop before touching controls, paper paths, or covers.

Manufacturer-documented solution

The toner container is empty and must be replaced. Kyocera documents an earlier, separate message — "Toner is low. (Replace when empty.)" — which is a warning that the container is nearing its end, not an instruction to change it yet. Waiting for the replace message avoids discarding usable toner.

Model scope: the troubleshooting section of your own model's Kyocera operation guide. This wording is documented for the ECOSYS M2135dn, M2635dn, M2635dw, M2040dn, M2540dn, and M2540dw

If the error is still there

  1. 1Return to the screen or job that produced the message and check whether the code has cleared.
  2. 2If Replace the toner. returns, do not repeat a risky procedure. Record when it appears and check the documentation for the exact model.
  3. 3If the documented action does not clear Replace the toner., contact Kyocera support or a qualified printer technician with the model number and complete message.

Other Kyocera error codes

All Kyocera error codes

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Manufacturer reference

The meaning and documented action above were taken from the manufacturer source below.

Operation Guide — ECOSYS M2135dn/M2635dn/M2635dw/M2040dn/M2540dn/M2540dw

Verified against manufacturer documentation, last checked 2026-08-15. PrintDiag has no printers and no technician, so nothing here is claimed as tested on hardware.