Toshiba e-STUDIO 2555C Service Manual page 445

Step 2
In case of C:
Tighten the mirror-1 adjustment screw (Rear) [1]
(CW).
In case of D:
Loosen the mirror-1 adjustment screw (Rear) [1]
(CCW).
(5) Apply the screw locking agents to the adjustment screws. (2 areas)
• Recommended screw lock agent
Manufacturer: Three Bond
Product name: 1401E
The following adjustments (B) to (D) should be performed with Test Chart No. TCC-1/TCC-2.
 P. 6-24 " Adjustments and Checks using Test Chart No. TCC-1/TCC-2"
[B] Image location of primary scanning direction
While pressing [0] and [5] simultaneously, turn the power ON. → (Adjustment Mode)
(1)
(2) Place Test Chart No. TCC-1/TCC-2 on the original glass (with the arrow positioned at the left rear
side).
Press [FAX] → [START] to make a copy at the mode of A4/LT, 100%, Full color and Text/Photo.
(3)
(4) Measure the distance B from the left paper edge to the 5 mm line of left grid pattern on the copy
with a ruler.
(5) Check if the distance B is within 5±0.5 mm.
(6) If not, use the following procedure to change values and repeat step 3. to 5. above.
<Procedure>
(Adjustment Mode) → (Key in code [3030]) → [START]
→ (Key in a value (acceptable values: 0 to 255))
→ [OK] or [INTERRUPT] (Stored in memory)
* The larger the adjustment value is, the longer the distance B becomes (approx. 0.04 mm/
step).
[C] Reproduction ratio of secondary scanning direction
While pressing [0] and [5] simultaneously, turn the power ON. → (Adjustment Mode)
(1)
(2) Place Test Chart No. TCC-1/TCC-2 on the original glass (with the arrow positioned at the left rear
side).
Press [FAX] → [START] to make a copy at the mode of A4/LT, 100%, Full color and Text/Photo.
(3)
(4) Measure the distance C between M3 and M4 on the copy with a ruler.
(5) Check if the distance C is within 150±0.5 mm.
(6) If not, use the following procedure to change values and repeat step 3. to 5. above.
<Procedure>
(Adjustment Mode) → (Key in the code [3032]) → [START]
→ (Key in a value (acceptable values: 0 to 255))
→ [OK] or [INTERRUPT] (Stored in memory)
* The larger the adjustment value is, the longer the distance C becomes (approx. 0.03 mm/
step).
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Fig.6-15
e-STUDIO2555C/3055C/3555C/4555C/5055C
6 - 19
SETTING / ADJUSTMENT
6