Toshiba e-STUDIO167 Service Manual page 107

4) Original size is determined by the combination of the signals output from each detection point.
Combination charts for size determination of A4 series and LT series are as follows.
[A4 Series]
Size judgement APS-C
A3 0
A4 0
B4 0
B5 1
A4-R 0
A5 1
B5-R 0
A5-R 0
[LT Series]
Size judgement APS-C
LD 0
LT 0
LG 0
LT-R 0
ST 1
ST-R 0
Code Output signal
1 H
0 L
* When the platen sensor (S2) is OFF;
• The followings are determined by output signals from the APS sensors.
- Size (The combination of the signals satisfy any in the above chart)
Size is displayed on the control panel and a specific paper or reproduction ratio is selected.
- Size retention (The combination of the signals do not satisfy the above chart)
The latest original size recognized (or no original state) until new paper size is recognized.
- No original (Output from all the sensors are "H".)
Reproduction ratio and paper are not selected.
• Size change is always observed and detected.
• The contact image sensor unit (CIS) stays at the standby position even if the reproduction ratio
changes corresponding to the change of the original size.
* When the platen sensor (S2) is ON;
The latest original size (or no original state) recognized right before the platen sensor (S2) is turned
ON is retained regardless of the status the APS sensor output signals.
© February 2007 TOSHIBA TEC CORPORATION All rights reserved
APS-R APS-1
0 0
1 0
0 0
1 0
0 1
1 1
0 1
1 1
APS-R APS-2
0 0
1 0
0 1
1 1
1 1
1 1
Original
Not available
Available
6 - 15
APS-2 APS-3
0 0
0 0
1 0
1 0
1 0
1 0
1 1
1 1
APS-3
0
0
0
0
0
1
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