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Mar. 1998 © TOSHIBA
18 - 9
1550/1560 UNPACKING PROCEDURE
2.4 Manual adjustment of exposure
Note: Only when the user is not satisfied with the results of the exposure adjustments in Sec. 2.2 and
2.3, perform the manual adjustments of exposure (a) – (m) as described below.
Adjustment procedure
Exposure mode
Reproduction ratio
Adjustment code
(a)
154%
2
(b)
Manual exposure center
50%
3
(c)
200%
4
(d)
100%
5
(e)
Automatic exposure
154%
6
(f)
50%
7
(g)
200%
8
(h)
Light (max.)
100%
9
(i)
Dark (min.)
100%
10
(j)
100%
14
(k)
Photo exposure
154%
15
(l)
50%
16
(m)
200%
17
C
C
C
D
C
E
Adjustment Procedure
(1) Make sure that “AJ” is shown on the display.
(2) Set exposure mode
C
.
(3) Set reproduction ratio
D
using the REDUCE
, ENLARGE
, ZOOM DOWN
50%
or ZOOM UP
200%
.
(4) To check the current image density, make test copies in the manual, automatic and photo modes and
check them for proper image density.
(5) Key in adjustment code
E
and press the PRINT
key.
Then, using the procedure of (7) – (11) in Sec. 2.1, make adjustments.
(6) Finally, press keys 0 and 9 simultaneously to clear the test mode.
Summary of Contents for 1550
Page 11: ...1550 1560 GENERAL 2 4 Mar 1998 TOSHIBA ...
Page 112: ...1550 1560 DRUM 9 12 Mar 1998 TOSHIBA 1 16 48 CLK SI1 LT OUT1 1 2 64 Timing chart ...
Page 167: ...Mar 1998 TOSHIBA 13 25 1550 1560 OPTIONAL 13 7 4 PC board assembly PWA F PFU ...
Page 188: ...Mar 1998 TOSHIBA 14 21 1550 1560 CIRCUIT DIAGRAMS Control Panel Circuit PWA F PNL 4 4 ...
Page 189: ...1550 1560 CIRCUIT DIAGRAMS 14 22 Mar 1998 TOSHIBA 14 4 Fuser Circuit PWA F FUS ...