Canon iR5570 Series, Service Manual

Page: 250 / 684

Chapter 7
7-52
F-7-178
7) Remove the bearing [1] at the front and the rear, and detach the
developing cylinder [2].
F-7-179
Do not leave fingerprints or oils on the surface of the developing
cylinder. Otherwise, dry wipe it with lint-free paper. (Do not use
solvent.)
7.10.14 Developing Blade
7.10.14.1 Removing the Developing Assembly
0009-5619
The machine's developing assembly is not equipped with a cover to
protect the developing cylinder.
If you must remove the developing assembly, be sure to exer-cise care
not to damage the developing cylinder.
When the developing assembly is outside the machine, be sure not to
mount the developing assembly locking assembly. The toner collecting
in the path from the hopper to the developing assembly can start to move
astray because of the vibration occurring during inspection or repair
work.
1) Open the manual feed tray cover [1], remove the screw [2] from the
door tape, and fully open the manual feed tray cover [1].
F-7-180
2) Remove the mounting screw [1], and push the developing locking
assembly [2] in the direction of the arrow to detach.
F-7-181
3) Disconnect the connector [1], and take the developing assembly [2]
out of the machine slowly.
F-7-182
7.10.14.2 Removing the Blade Unit
0009-5620
1) Remove the two mounting screws [1], and detach the developing
assembly cover [2].
F-7-183
2) Place a newspaper on the floor or a desk, and pour out the toner onto
the newspaper from the developing assembly.
3) Remove the two mounting screws [1], and detach the blade unit [2]
together with its mounting base.
F-7-184
The blade must be mounted with a high accuracy. Do not remove it on
its own in the field (i.e., be sure to remove it intact with its mounting
base).
7.10.14.3 Mounting the Blade
0009-5708
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