11-18CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)7 Adjusting the Developing Bias DC Component [3] No. 302Make adjustments according to the Image Adjustment Basic Procedure.Making Adjustments1) Start [3] in service mode, and select No. 302 using the keypad.• The indicator indicates ‘302’.2) Press the OK key.• The indicator flashes the stored setting.3) Using the keypad or the Zoom keys, change the setting.• The indicator flashes the setting.• To enter a negative setting, press the % key.4) Press the OK key.• The setting is stored.• The indicator stops flashing and remains on.5) Press the Clear key to start copying.The settings and the developing bias have the following relationships:• For each ‘1’ of the setting, the output of the developing bias DC componentchanges by about 5 V.• A higher setting decreases the developing bias DC component, making thecopies darker.• A lower setting increases the developing bias DC component, making the copieslighter.
