Canon FY8-13EX-000, NP6218 service manual AE Adjustment

CHAPTER 4 IMAGE FORMATION SYSTEM

3. AE Adjustment

The copier’s AE adjustment is executed in service mode and consists of the following three types:

•lamp intensity automatic adjustment (No. 301) during AE scans

•copy density (development bias) standard adjustment (No. 302) during AE mode

•copy density (development bias) slope adjustment (No. 303) during AE mode

Item	Description		Adjustments		Remarks
No. 301	Lamp intensity				The density is adjusted auto-
	automatic				matically so that the copy
	adjustment dur-	Lighter 9			density will be 5 when mak-
	ing AE scans				ing copies of the Test Chart.
		Copy
		density 5
		Density
			Test Chart	Density of
				Original

No. 302	Copy density			q If the setting is decreased
	(development	w	q	in service mode,
	bias) standard			→AE copies will be
	adjustment	Lighert 9		darker.
	during AE			w If the setting is increased
	mode	Copy		in service mode,
				→AE copies will be
		density 5
				lighter.
		Density		default:	0
		Test Chart	Density of
			Original	settings: -26 to +26
No. 303	Copy density			q If the setting is increased
	(development		q	in service mode,
	bias) slope			→copies of a newspaper
	adjustment	Lighter 9	w	will be lighter.
	during AE			w If the setting is decreased
	mode	Copy		in service mode,
		density 5		→copies of a newspaper
				will be darker.
		Density

Test Chart Newspaper Density of default: 0

Original

settings: -26 to +26

Table 4-201

COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-29