Canon imageCLASS MF269dw Service Manual page 157

2. " Removing the Left Cover" on page 80
3. "Removing the SADF Unit + Reader Unit" on page 126
4. "Separating the SADF Unit + Reader Unit" on page 129
5. "Removing the Copyboard Glass (SADF Model)" on page 146
■ Procedure
CAUTION:
• Do not lose the 2 spacers of the Contact Image Sensor Unit.
• Do not touch the document reading part [A] of the Contact Image Sensor Unit.
• Grease is applied on the shaft of the Contact Image Sensor, so be careful not to let a hand or part come in contact
with the shaft.
1.
[A]
149
4. Parts Replacement and Cleaning