Canon imageRUNNER ADVANCE 4551i Service Manual page 357

Cause
The separation power reduces due to low elasticity of paper, causing a jam in the drum assembly or fixing assembly.
Occurrence condition
When paper thinner than 64 g/m
Remedy
• Service mode (TMP-TBL5) > "0" to "2"
COPIER > OPTION > IMG-FIX > TMP-TBL5
2
paper is used.
344
6. Troubleshooting