Field Remedy
1) Remove the developing assembly.
2) Clean the developing assembly and inside the machine.
3) Reinstall the spring of the buffer shutter.
4) Make sure that the buffer shutter is closed.
To see whether the buffer shutter is open or closed, check the location of the shutter arm. [A] shows the
shutter arm is closed and [B] shows it is open.
5) Fit the right and the left protrusions [A] of the developing assembly to the rail [B] of the main body and
insert the developing assembly along the rail.
pg. 113