Toshiba 1550 Service Handbook page 13

Code Description
Eraser LED leading edge margin
30
adjustment
Eraser LED trailing edge margin
31
adjustment
35 Margin on the leading edge
36 Margin on the trailing edge
38 Grid bias adjustment
39 Transfer transformer adjustment
40 Separation transformer adjustment
42 Grid bias adjustment (photo)
*3
49 Automatic auto-exposure adjustment
53 Leading edge (copier; 100%)
54 Leading edge (copier; 200%)
55 Leading edge (copier; 50%)
56 Leading edge (bypass feeding)
57 Leading edge position (PFU)
60 Lens position adjustment
61 Mirror position adjustment (100%)
62 Enlargement correction
63 Enlargement error ratio
64 Reduction correction
65 Reduction error ratio
80 Aligning value (PFU)
81 Aligning value (short size)
82 Aligning value (copier)
83 Aligning value (B5)
84 ADF aligning amount
ADF original-to-original gap
87
(2 in 1 mode)
89 Aligning value (middle size)
90 Auto-toner adjustment
*4
97 ADF EEPROM initialization
ADF aligning sensor
*4
98
automatic adjustment
*1: The initial value signifies the value set by the NV-RAM initialization program and not the value set at the time
of shipping from the factory.
1550 ADJUSTMENT
Allowable
input value
0~15
0~15
0~255
0~255
0~255
0~255
—
0~15
(100%)
(200%)
0~40
(200%)
( 50%)
( 50%)
0~31
0~31
0~31
0~31
0~15
0~15
0~31
0~255
—
—
1 - 10 ®
Initial
value *1
Each increase by "1" causes the
erased position by LED to shift
1mm toward the trailing edge.
8
(with paper surface as refer-
ence)
0: No margin
1–15: Margin present (approx.
0
1mm/step)
128 The larger, the larger output.
128 The larger, the larger output.
128 The larger, the larger output.
121 The value should be 121.
—
Each increase by "1" causes the
image to shift 0.80mm toward
8
the paper leading edge.
Each increase by "1" moves
toward the exit side.
20
Each increase by "1" causes the
8
paper to bend more.
16
Short size: A4/A5-R,LT/ST-R
B5: for B5 only
8
The adjustment sequence must
16
be 82 89 81 83 80.
Each decrease by "1" causes
the original stop position to shift
8
about 1mm toward the original
scale.
Each increase by "1" causes the
8 gap between the originals to
increase about 1mm.
Each increase by "1" causes
the paper to bend more
16
Middle size: A4-R/B5-R/FOLIO,
Shows the adjustment value of
128
the auto toner sensor.
—
—
Oct. 1995 © TOSHIBA CORP. July 1996
Content
LG,LT-R