Utax CD 1020 - Page 242

2AV/X
2-1-2
2-1
RCL CN4-10
MPCB
CN3-7
CN4-14
CN3-10
CN4-12
CN6-2
CN8-3
CN8-15
RSW
PSW-U
BYPPSW
PSW-L*
BYPPFCL
PFCL-U
PFCL-L*
*Optional for the 15 cpm copier.
Figure 2-1-2 Paper feed section block diagram
Start key
DM
RCL
PFCL-U
RSW
100 ms
263 ms
2927 ms (20 cpm)
3871 ms (15 cpm)
Copy paper: A4/11" × 8
1
/
2
", magnification ratio 100%, two copies
300 ms
263 ms
300 ms
100 ms
Timing chart 2-1-1 Paper feed from the upper drawer
a: When the start key is pressed, the drive motor (DM) and the upper paper feed clutch (PFCL-U) turn on and upper
paper feed pulleys rotate to start primary paper feed.
b: 263 ms after the leading edge of the first paper turns the registration switch (RSW) on, the registration clutch (RCL)
turns on and the right registration roller rotates.
c: 300 ms after the trailing edge of the first paper turns the registration switch (RSW) off, the registration clutch (RCL)
turns off.
d: 2927 ms (for the 20 cpm)/3871 ms (for the 15 cpm) after the upper paper feed clutch (PFCL-U) turns on, the upper
paper feed clutch (PFCL-U) turns on again and starts primary paper feed of the second paper.
e: 263 ms after the leading edge of the second paper turns the registration switch (RSW) on, the registration clutch
(RCL) turns on and the right registration roller rotates.
f: 300 ms after the trailing edge of the second paper turns the registration switch (RSW) off, the registration clutch
(RCL) turns off.