Toshiba e-STUDIO2820C, Service Handbook, Page: 150 / 486

e-STUDIO2820C/2830C/3520C/3530C/4520C © 2008 TOSHIBA TEC CORPORATION All rights reserved
ADJUSTMENT
3 - 18
[C] Reproduction ratio of secondary scanning direction (Fine adjustment of transfer belt motor
rotation speed)
*
1:e-STUDIO4520C only (High Speed)
*
2:e-STUDIO3530C only
(1) While pressing [0] and [5] simultaneously, turn the power ON.
→
(Adjustment Mode)
(2) Press [98]
→
[FAX]. (A grid pattern with 10 mm squares is printed out. Use A3/LD from the 2nd
drawer.)
(3) Measure the distance C from the 2nd line at the leading edge of the paper to the 22nd 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.
(6) Perform the color registration (4719) after the adjustment.
<Procedure>
(Adjustment Mode)
→
(Key in the code [487])
→
[START]
→
(Key in the sub-code shown above)
→
[START]
→
(Key in a value (acceptable values: 0 to 255))
→
[ENTER] or [INTERRUPT] (Stored in memory)
*When the value is not within the recommended values, the trailing edge area of the image may
be out of position for the paper length or the density at the trailing edge area of the image may
become lower. Perform the adjustment confirming the image.
→
“100% A” is displayed
→
Press [98]
→
[FAX]
→
(A grid pattern is printed out.)
*The larger the adjustment value is, the longer the distance C becomes (approx. 0.09 mm/ step).
→
(Key in the code [4719])
→
[START]
→
(Enforced color registration)
Code Sub code Transport speed Function Remarks
487 0 Normal speed/
High Speed
*1
PRT When the value increases, the repro-
duction ratio in the secondary scan-
ning direction becomes larger.
(Approx. 0.09 mm/1steps)
Normal speed:Plain paper,
Black/Color
Decelerating: Thick paper,
Black/Color
High Speed: Plain paper, Black
1 Normal speed/
High Speed
*1
FAX
2 Normal speed/
High Speed
*1
PPC
3 Decelerating PRT
4 Decelerating FAX
5 Decelerating PPC
6
*2 High speed PRT
7
*2
High speed FAX
8
*2 High speed PPC