CHAPTER 5 PICK-UP/FEEDING SYSTEM
COPYRIGHT
©
1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
5-5
Figure 5-105
SCRV
Delivery sensor (PS3)
Pre-registration roller
paper sensor (Q751)
Cassette pickup solenoid (SL5)
Switching to 9-cpm copying speed
Main motor (M1)
SCFW SCRV SCFW SCFWSCRV
I
19th copy
SCRV
5. Controlling the Copying Speed in Multifeeder Mode
The machine does not possess a copy paper width detecting function and, therefore, the tem-
perature of the ends of the fixing assembly increases when copies are made continuously on paper
narrower than A4/LTR.
When the multifeeder is used for continuous copying, a delay is initiated after picking up the
19th sheet so as to increase the sheet-to-sheet distance for the sheets that follow, controlling the
copying speed to 9 cpm.
If the copying speed is controlled (to 6 cpm) by a mechanism to prevent overheating of the
copyboard, this control will not be executed, and moreover if the temperature of the copyboard
increases during 9-cpm control, 6-cpm control will be initiated.
I: A switch to 9-cpm copying speed is made after delivering the 19th copy in a continuous copy-
ing job.
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