e-STUDIO520/600/720/850 ADJUSTMENT March 2005 © TOSHIBA TEC
3 - 10
[A] Reproduction ratio of primary scanning direction (Fine adjustment of polygonal motor rotation
speed (Printer))
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON. ! (Adjustment Mode)
(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 A from the 1st line
to the 21st line of the grid pattern.
(4) Check if the distance A is within 200±0.5 mm.
(5) If not, use the following procedure to change values and measure the distance A again.
(Adjustment Mode) ! (Key in code [401]) ! [START]
! (Key in a value (acceptable values: 0 to 255))
! [ENTER] or [INTERRUPT] (Stored in memory)
! “100% A” is displayed
! Press [1] ! [FAX] ! (A grid pattern is printed out.)
* The larger the adjustment value is, the longer the distance A becomes.
(e-STUDIO 520/600/720: 0.3 mm/step, e-STUDIO 850: 0.1 mm/step)
[B] Primary scanning data laser writing start position (Printer)
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON. ! (Adjustment Mode)
(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 B from the left edge
of the paper to the 6th line of the grid pattern.
(4) Check if the distance B is within 52±0.5 mm.
(5) If not, use the following procedure to change values and measure the distance B again.
(Adjustment Mode) ! (Key in the code [411]) ! [START]
! (Key in a value (acceptable values: 0 to 255))
! [ENTER] or [INTERRUPT] (Stored in memory)
! “100% A” is displayed
! Press [1] ! [FAX] ! (A grid pattern is printed out.)
* The larger the adjustment value is, the longer the distance B becomes (approx. 0.05 mm/
step).
(6) After the adjustment for the code 411 is completed, apply the same adjustment value for the
code 410.
(Adjustment Mode) ! (Key in the code [410]) ! [START]
! (Key in the same value in the step 5 above)
! Press [ENTER] or [INTERRUPT] (Stored in memory).
Note: Note:
Make sure the first line of the grid pattern is printed out since the line is occasionally vanished.
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