Samsung ProXpress M387 Series Service Manual page 97

Inside the machine (M3375/M3875/M4025 series)
NOTE
1) Open the front cover.
2) Pull out the toner cartridge and imaging unit.
3) Remove the jammed paper by gently pulling it straight
out.
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4. Alignment and Troubleshooting
4) Insert the imaging unit and toner cartridge.
5) Close the front cover.
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