e-STUDIO160/200/250 SCANNER 7 - 16 December 2002 TOSHIBA TEC
(4) Original size is determined by a combination of the presence/absence of the original at the each
locations stated in step (3). Combination charts for size determination of ASD/AUD/CND/SAD/MJD
models and NAD model are shown below.
[ASD/AUD/CND/SAD/MJD models]
[NAD model]
* Original cover sensor=OFF
• Following judgement is performed by the APS sensor output signal.
Size decision : The scanner MPU (IC1) sends the detected document size to the Main PWA as a
size signal.
Size not fixed : The scanner MPU sends a no-document signal to the Main PWA.
The carriage-1 is stay on the standby position even though the reproduction ratio is changed when
original size is changed.
* Original cover sensor SW=ON
• Keep the recognized original size (or no original state) just before the original cover sensor is turned
on regard-less the APS sensor output signal.
APS-2 APS-3 APS-4 APS-5 APS-6
LD
LG
LT
LT-R
ST
1 beam sensor (No.)
1 beam sensor (No.)
: Original presence
blank : Original absence
APS-1 APS-2 APS-3 APS-4 APS-5
A3
B4
A4
A4-R
B5
B5-R
A5-R
: Original presence
blank : Original absence
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