Brother International MFC 8890DW Service Manual - Page 486
<WSW45>, Periodical correction intervals of the reference voltage applied
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Selector No. Function Setting and Specifications No. 1 2 3 0 0 0: No automatic drawing-in 1 Delay time from when 0 0 1: 1 sec. 0 1 0: 2 sec. I documents are set until the ADF 0 1 1: 3 sec. 3 starts drawing them in 1 0 0: 4 sec. 1 0 1: 5 sec. 1 1 0: 6 sec. 1 1 1: 7 sec. No. 4 5 6 0 0 0: No correction of reference voltage during standby 4 I 6 Periodical correction intervals of the reference voltage to be applied to white level compensation for document scanning, during standby 0 0 1: 10 sec. 0 1 0: 30 sec. 0 1 1: 1 min. 1 0 0: 3 min. 1 0 1: 5 min. 1 1 0: 10 min. 1 1 1: 30 min. 7 Standby position of the CCD unit 0: CIS home position 1: Location of the white-level reference film 8 Line polarity reverse detection function 0: No 1: Yes • Selectors 1 through 3: Delay time from when documents are set until the ADF starts drawing them in These selectors determine how long the ADF will delay automatic drawing-in of documents (to the scanning standby position) after you set them in the ADF, as well as determining whether or not the ADF automatically draws in documents. • Selectors 4 through 6: Periodical correction intervals of the reference voltage applied to white level compensation for document scanning, during standby These selectors set the correction intervals (in seconds) of the reference voltage to be applied to white level compensation for document scanning during standby, as well as determining whether or not the controller makes the reference voltage correction during standby. (Conventionally, the correction has been made immediately before the start of actual scanning) This function takes effect in copying. Making the correction during standby may shorten the preparation time for copying. Note: • Do not access these selectors. App. 1-52 Confidential