Toshiba Estudio 230 Manual

June 2004 © TOSHIBA TECe-STUDIO200L/202L/230/232/280/282 ADJUSTMENT
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(6) Install the door switch jig. 
(7) Close the transfer cover.
 Fig.3-22
Door switch jig
Front cover opening/closing switch 

e-STUDIO200L/202L/230/232/280/282 ADJUSTMENTJune 2004 © TOSHIBA TEC
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[B] Connection for developer bias adjustment
 Fig.3-23
[C] Connection for main charger adjustment
 Fig.3-24
Front cover opening/closing switch
Ground to the 
machine frame ( green cable )
( -) 
terminal:
Connect with the white cable (
+ ) 
terminal:
Connect with the black cable
Front cover opening/closing switch
Ground to the 
machine frame ( green cable )
( -) 
terminal:
Connect with the white cable (
+ ) 
terminal:
Connect with...

June 2004 © TOSHIBA TECe-STUDIO200L/202L/230/232/280/282 ADJUSTMENT
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[D] Connection for transfer/separation charger adjus tment
 Fig.3-25
Front cover opening/closing switch
Ground to the 
machine frame ( green cable )
( - ) 
terminal:
Connect with the white cable (
+ ) 
terminal:
Connect with the 
red cable  (
thin line ) 

e-STUDIO200L/202L/230/232/280/282 ADJUSTMENTJune 2004 © TOSHIBA TEC
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[ 2 ] Operation
Note: Note: 
When adjusting output of high-voltage transformer,  make sure to use the high-voltage trans-
former jig.
Connect the digital testers as described in “[1] Pr eparation”, and follow the procedure on the next 
page to adjust the output from the main charger, de veloper bias charger, transfer charger and sepa-
ration charger.
 Fig.3-26
100% A3
A
TEST MODE
100% XXX
YYY A3
TEST MODE
100% A3
A
TEST MODE...

June 2004 © TOSHIBA TECe-STUDIO200L/202L/230/232/280/282 ADJUSTMENT
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3.6.2 Precautions 
[ 1 ] Developer bias
Note for adjustment 
Adjust the developer bias if fogging occurs over the  entire image even though the main charger grid 
voltage and toner density are appropriate. However,  the following may occur if the developer bias is 
lowered too much: 
 Image contrast becomes low. 
 Image is patchy or blurred. 
 The carrier in the developer material adheres to t he photoconductive drum, causing...

e-STUDIO200L/202L/230/232/280/282 ADJUSTMENTJune 2004 © TOSHIBA TEC
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[ 3 ] Separation
Items to check before adjustment 
Poor paper separation from the drum can be also cau
sed by matters other than defective adjustment of 
the separation output. Check the following items be fore making an adjustment. If there is no problem, 
adjust the output of the separation charger. 
 Is the charger wire incorrectly installed or dirty ?
 Is the process unit installed properly? Is the dev eloper magnetic brush...

June 2004 © TOSHIBA TECe-STUDIO200L/202L/230/232/280/282 ADJUSTMENT
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3.7 Adjustment of the Scanner Section 
3.7.1 Carriages
[A] Installing carriage wires 
When replacing the carriage wires, refer illustrati ons below:
[Front side]
 Fig.3-29
[Rear side]
 Fig.3-30
Adjustment of the carriage wire tension is not nece ssary since a certain tension is applied to the car-
riage wires by the tension springs.
Note: Note:  Make sure the tension applied to the wire is normal .
Carriage-2
Idler pulley...

e-STUDIO200L/202L/230/232/280/282 ADJUSTMENTJune 2004 © TOSHIBA TEC
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[B] Adjusting carriages-1 and -2 positions 

(1) Move the carriage-2 toward the exit side. 
(2) Loosen the screws fixing the front side pulley b racket, make the sections A and B of the carriage-
2 touch with the inside of the exit side frame and  screw them up.
 Fig.3-31
Carriage-2
Pulley bracket
[Rear] [Front]
Exit side frame
A
B 

June 2004 © TOSHIBA TECe-STUDIO200L/202L/230/232/280/282 ADJUSTMENT
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(3) Put the carriage-1 on the rail, make the section s C and D of it touch with the inside of the exit 
side frame and screw up the front/rear sides of the  bracket to fix it.
Note: Note: 
Make sure that the sections A and B of the carriage -2 touch with the exit side frame.
 Fig.3-32
Carriage-1
[Rear] [Front]
Exit side frame
Bracket
Bracket
C
D 

e-STUDIO200L/202L/230/232/280/282 ADJUSTMENTJune 2004 © TOSHIBA TEC
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[C] Assembling carriage wires (Winding the wire arou nd the wire pulley)

(1) Pull the Ø3 ball terminal located at the center  of the wire into a hole on the wire pulley. One end 
of the wire with a hook attached comes to the outsi de.
(2) Wind the wires around the wire pulleys of the fr ont and rear sides. The number of turns to be 
wound are as follows: 
 2 turns toward the opposite side of the boss 
 4 turns toward the boss...