Toshiba DP4500 Service Handbook page 54

(e) Image position adjustment of the secondary scanning direction (Deviation adjustment of the scanner
secondary scanning start position)
1. Turn ON the power while the digital keys [0] and [5] are pressed simultaneously.
2. Place a ruler on the original glass with its leading edge pushed against the original scale on the left.
3. Enter "305" with the digital keys and press the [START] key
[FAX] key to make a copy in the condition of A3(LD), 400% and lower cassette.
4. Measure the distance D from the leading edge of the paper to 10 mm of the copied image of the ruler.
5. Check if the distance D is within the range of 34±0.5 mm.
6. If not, change the value taking the following procedure, and repeat the steps 3 to 5 until the distance
falls within range.
<Procedure> (Adjustment mode)
(Enter a value (acceptable values : 0 to 255) with the digital keys)
Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM.
("100% A" is displayed.)
* The larger the adjustment value, the more the image is shifted to the leading edge (0.68
mm/step).
December 2000 © TOSHIBA TEC
(Enter the code [305] with the digital keys)
Copied image of the ruler
10 20
D
Feeding direction
2 - 15
(Adjustment mode)
[SET] icon or [INTERRUPT] key
[START]
30 40
DP4500/3500 ADJUSTMENT