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November 2003 © TOSHIBA TEC 3 - 11 e-STUDIO3511/4511 ADJUSTMENT
04/09
(c) Reproduction ratio of secondary scanning direction (Fine adjustment of main motor rotation
speed (Printer))
1. While pressing [0] and [5] simultaneously, turn the power ON. → (Adjustment Mode)
2. Press [1] → [FAX]. (A grid pattern with 10mm squares is printed out. Use A3/LD from the lower
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.
<Procedure> (Adjustment Mode) → (Key in the code [426]) → [START]
* Confirm that the input value is [153]. If not, key in [153].
→ (Key in [153])
→ [ENTER] or [INTERRUPT] (Stored in memory)
→ (Key in the code [421]) → [START]
→ (Key in a value (recommended values: 110 to 140 / 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 [1] → [FAX] → (A grid pattern is printed out.)
** The larger the adjustment value is, the longer the distance C becomes
(approx. 0.5 mm/6 steps).
(d) Transfer belt cleaning unit contact timing adjustment
This adjustment has to be performed after “Adjustment of secondary scanning direction reproduction
ratio (421)”. Acceptable values are 88 to 168. The larger the value is, the later the transfer belt
cleaning unit contact timing becomes.
1. While pressing [0] and [5] simultaneously, turn the power ON. → (Adjustment Mode)
2. According to the input value for “Adjustment of secondary scanning direction reproduction ratio
(421)”, key in the value shown in the following table.
* Be sure to key in the correct value because incorrect value may reduce the cleaning efficiency of
the transfer belt.
Adjustment (code)
Adjustment of secondary scanning direction
reproduction ratio (421)
Transfer belt cleaning unit contact timing
adjustment (284)
110
147
111-120
143
121-130
141
131-140
137
Input value
<Procedure> (Adjustment Mode) → (Key in the code [284]) → [START]
→ (Key in a value)
→ [ENTER] or [INTERRUPT] (Stored in memory)