Samsung MULTIXPRESS CLX-9251 Series Service Manual page 284

A3 color copier

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Table of Contents

4. Troubleshooting

► Error Code

► Error message

Black Toner Cartridge Failure: #C1-5311. Install black toner cartridge again

Black toner supply is inefficient or abnormal.

► Troubleshooting method

1) Open the front cover.

2) Remove the black toner cartridge. Shake the toner cartridge horizontally to distribute the toner evenly inside

the cartridge.

3) Check if the toner supply pipe is blocked. If it is closed, open it.

4) Close the front cover.

Troubleshooting