© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO350/352/353/450/452/453
ADJUSTMENT
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[C] Separation
Items to check before adjustment
Poor paper separation from the drum can be also caused by matters other than defective adjustment of
the separation output. Check the following items before 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 developer unit installed properly? Is the developer magnetic brush in contact with the drum?
Is the developer sleeve rotating during printing? Is the toner density low?
• Is the copy paper fed straight? Is the copy paper abnormally moist?
• Is the rotation of the registration roller normal?
• Is the output of the main charger normal?
• Is the transfer output different from the set value?
• Is the transfer/separation charger case grounded? Is the high-voltage transformer grounded?
• Is the sub-separation fan rotating?
• Is the separation finger in contact with the drum surface?
Note for adjustment
When poor paper separation occurs:
Increase the separation output value under the following conditions. Remember that if the separation
output value is increased too much, blotched image occurs and separation performance becomes low.
• Poor separation occurs even though the charger wire is not dirty.
• Thin paper has been frequently used.
When poor transfer occurs:
• Decrease the separation output value when poor transfer occurs. Remember that the separation
performance becomes low if the separation output value is decreased too much.
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