Canon imagePRESS C850 Series Troubleshooting Manual page 12

If the streaks appear on images even after adjusting the fixing speed, replace the fixing separation unit with the thick type (FM1-
R469-000).
B). Handling by replacing the inner paper delivery assembly
Newly assign the spring set plate (FL1-3976-000) to be used to mount the spring on the rear side of the inner paper delivery
assembly. Prepare the said spring set plate and the inner paper delivery assembly (thin type) (FM1-R600-000).
1) Refer to the service manual to take out the fixing assembly.
2) Remove the 2 screws [1] and the duct.
3) Remove the e-ring [1] that is securing the inner paper delivery assembly on the rear side of the fixing base assembly.
4) Remove the 1 screw [1] that is securing the inner paper delivery assembly on the front side of the fixing base assembly.
5) Draw out the inner paper delivery assembly from the front side. To do this, remove the springs [1] attached to the both sides
of the inner paper delivery assembly from the bosses that is supporting point. Also disconnect the cable connector [2].
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