Toshiba e-STUDIO520 Service Handbook page 243

[C] Reproduction ratio of secondary scanning direction (Fine adjustment of transfer belt motor rotation
speed (Copier/Printer))
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Press [1] [FAX]. (A grid pattern with 10 mm squares is printed out. Use A3/LD in the 2nd/4th
drawer.
(3) Check the grid pattern on the test chart printed out and measure the distance C from the 6th line
at the leading edge of the paper to the 26th line of the grid pattern.
* Normally, the 1st line of the grid pattern is not printed.
(4) Check if the distance C is within 200±0.5 mm.
(5) If not, use the following procedure to change values and measure the distance C again.
(Adjustment Mode)
(Key in a value (acceptable values: 0 to 255))
[ENTER] or [INTERRUPT] (Stored in memory)
"100% A" is displayed
Press [1] [FAX]
* The larger the adjustment value is, the longer the distance C becomes (approx. 0.2 mm/step).
[D] Secondary scanning data laser writing start position
This adjustment has to be performed for each paper source. (If there is no paper source, skip this step.)
The following table shows the order of the paper source to be adjusted, code, paper size and accept-
able values.
* Image location of all paper sources can be adjusted in the Adjustment mode (05-408)
For 4 drawers
Order for
Paper source
adjustment
1 1st drawer
2 2nd drawer
3 3rd drawer
4 4th drawer
5 LCF
6 Bypass feed
7 Duplexing
- All
© 2005 - 2007 TOSHIBA TEC CORPORATION All rights reserved
(Key in code [488]) [START]
(A grid pattern is printed out.)
Code Paper size
440 A4/LT
441 A3/LT
444 A4/LT
428 A4/LD
443 A4/LT
442 A3/LD
445 A3/LD
408 -
3 - 11
(Adjustment mode)
Acceptable
value
0 to 40
0 to 40
0 to 40
0 to 40
0 to 40
0 to 40
0 to 40 Paper fed from the 2nd/4th drawer
0 to 80
e-STUDIO520/523/600/603/720/723/850/853
Remarks
ADJUSTMENT
3