Samsung CLX-8540ND Service Manual page 271

● Code :
06/25/26/27-012
06/25/26/27-017
06/25/26/27-024
● Symptom : When installing the new imaging unit, CRUM is not detected.
● Possible Cause:
1. CRUM is defective.
2. The circuit related to CRUM has some problem.
● Troubleshooting method :
1. Turn the machine off then on.
2. If the problem persists, take out the imaging unit and re-install it.
3. If the CRUM is defective, replace the toner cartridge.
4. In case that the circuit related to CRUM is defective, check the following.
<Imaging Unit Connector in SET>
① Check if the CRUM Connector in SET and is contaminated or broken.
② Check the circuit related to CRUM.
Troubleshooting
● Error message :
06/25/26/27-012 : Imaging unit is not installed, Install it
06/25/26/27-017 : Imaging unit is not compatible, Check user's Guide
06/25/26/27-024 : Imaging unit is not compatible, Check user's Guide
< Imaging Unit CRUM Connector >
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