Service manual

4. Alignment and Troubleshooting
Service Manual
ML-551x / 651x series
4-84
Samsung Electronics
 Code
H2-1A62
 Error message
Staple cartridge is low. Replace it
 Symptom / Cause
No more stapling job will not be performed if the near empty Stapler Cartridge will not be replaced soon.
The staples in Staple Cartridge are going to a shortage. Or Stapler harness connection now well. Or Stapler set
sensors damaged, Main Board damaged.
 Troubleshooting method
1. Check if staples in cartridge are in some level.
- With such level like the below picture
during jobs, The sensor detects it as
“Low”. Only twenty more stapling jobs
can be performed normally.
NOTE - Make sure that the staple strips on top of
the stack are complete and fl at. Remove any partial
strips and any strips that are bent.
2. If the Cartridge is not low after checking with
your naked eyes, Check the Stapler Harness
connection
3. Check the Cartridge Set sensor’s operation.
4. Check the Main Board Harness connection.
5. If the same problem happens after checking 1~4,
replace the Finisher main board.
6. If the same problem happens after checking 5,
replace the Finisher Stapler.
7. If the same problem happens after checking 6,
replace the Finisher harnesses.