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ENWW Original feed/conveyance/exit section 19
ADF unit explanation
2 Original feed direction size detection
The ON interval of PS304 (original
registration/1) after the original
passes the registration roller is used
to determine the horizontal dimension
of each original.
3 Original feed direction size detection
operation
When the original is fed from the
registration roller, in single-side
original copy mode (when AMS is not
used) and double-side original copy
mode, the conveyance path of
original is same as normal
conveyance path.
In single-side original copy mode
(when AMS is used) and Z-fold copy
mode, the conveyance path of
original is same as that in double-side
original copy mode, passing the
reverse gate and reverse section.
In each case, the ON interval of
PS304 (original registration/1) is
measured and used to detect the
length of the original.
In single-side original copy mode
(when AMS is used), the original is
not read before magnification rate is
decided. Therefore, the conveyance
path of original is same as that in
double side original copy mode, so
that PS304 detects the length of the
original.
In Z-fold original copy mode, the
length of the first original is detected.
c Allowed size combination
( : Same size, : Same series, :
Different series, X: Mixing prohibited, -:
Not supported)
1 AB series *1
*1 Memory switch in the key operator
mode needs to be changed to use the
inch series.
Reference original (maximum-size
original detectable with guide plate)
A3 A4 B4 B5 A4
R
A5 B5
R
A5
R
B6
R
A3 --- ----
A4 --- ----
B4 -----
B5 -----
A4R ---
A5 ---
B5R XX -
A5R XXXXX XX -
B6R XXXXX XX
PS304 (Original registration/1)
Registration roller
Original exit reversal
roller
Reversal roller
Reverse gate