Canon imageFORMULA DR-G1130 マニュアル

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Chapter 5   Maintenance
3.
Detaching and attaching the separation pad (retard roller cover)
When replacing the separation pad, perform the following steps to detach it from and attach it to the unit. 
When to replace the separation pad (retard 
roller cover)
The separation pads are consumables that must be replaced 
after feeding about every 6,000,000 pages.
A worn separation pad is no longer able to correctly feed a 
document and can cause paper jams. If documents no longer 
feed correctly as frequent double-feed, replace the separation 
pad.
Detaching and attaching the separation 
pad (retard roller cover)
■ Detaching the separation pad (retard roller 
cover)
1.
Open the upper unit smoothly. 
2.
Grasp and pull the retard roller cover with your 
fingers to remove it.  
■ Attaching the separation pad (retard roller 
cover)
1.
Replace the retard roller cover.
2.
Push the front of the retard roller cover in. Make sure 
to hear a latching sound that it is securely returned to 
its original position.
3.
Smoothly close the upper unit. 
CAUTION
Make sure that the hook is completely latched and the retard 
roller cover is not loose. If the retard roller cover is loose, the 
Document Feed Tray will catch on it causing the scanner to 
malfunction.