Kyocera TASKalfa 620 Service Manual page 424

Adjusting
Item
order
Adjusting magnification of the scanner
in the main scanning direction (scan-
ning adjustment)
11
Adjusting magnification of the scanner
in the auxiliary scanning direction
(scanning adjustment)
12
Adjusting the center line (scanning
adjustment)
13
Adjusting the leading edge registration
(scanning adjustment)
14
Adjusting the leading edge margin
(scanning adjustment)
15
Adjusting the trailing edge margin
(scanning adjustment)
16
Adjusting the left and right margins
(scanning adjustment)
17
When maintenance item U092 (Adjusting the scanner automatically) is run using the specified original (P/N 2AC68241),
the following adjustments are automatically made:
Adjusting the scanner center line (U067)
Adjusting the scanner magnification in the main scanning direction (U065)
Adjusting the scanner leading edge registration (U066)
Adjusting the scanner magnification in the auxiliary scanning direction (U065)
When maintenance item U076 (Executing DP automatic adjustment) is run using the specified original (P/N 2AC68241),
the following adjustments are automatically made:
Adjusting the DP magnification (U070)
Adjusting the DP scanning timing (U071)
Adjusting the DP center line (U072)
Image Description
Data processing
Original scanning speed
Adjusting the original scan data (image
adjustment)
Original scan start timing
Adjusting the original scan data (image
adjustment)
Adjusting the original scan data (image
adjustment)
Adjusting the original scan data (image
adjustment)
Maintenance mode
Original
Item No. Mode
U065 MAIN SCAN ADJ Test chart
CIS MAIN ADJ
U070
U065 SUB SCAN ADJ Test chart
U070 CONVEY SPEED
U067 ADJUST DATA Test chart
U072 ADJUST DATA
U066 ADJUST DATA Test chart
U071 ADJUST DATA1
U403 B MARGIN Test chart
U404 B MARGIN
U403 D MARGIN Test chart
U404 D MARGIN
U403 A MARGIN/ Test chart
C MARGIN
U404 A MARGIN/
C MARGIN
Image quality
Item Specifications
100% magnification Machine: ± 0.8 %
Using DP: ± 1.5 %
Enlargement/reduction Machine: ± 1.0 %
Using DP: ± 1.5 %
Lateral squareness Machine: ±1.5 mm/375 mm
Using DP: ±2.5 mm/375 mm
Margins A: 3.0 ± 2.0 mm
B: 3.0 ± 2.5 mm
C: 3.0 ± 2.0 mm
D: 3.0 ± 2.5mm
Leading edge registration Cassette: ± 2.5 mm
MP tray: ± 2.5 mm
Duplex mode: ± 2.5 mm
Using DP: ± 3.0 mm
Curling Simplex mode: 10.0 mm or less
Duplex mode: 10.0 mm or less
Page Remarks
P.1-3-25 U065: For copying an original placed on the contact glass.
U070: For copying originals from the document processor (to make
an adjustment for CIS).
P.1-3-25 U065: For copying an original placed on the contact glass.
P.1-3-29 U070: For copying originals from the document processor.
To make an adjustment for CIS, select CIS SUB ADJ.
P.1-3-27 U067: For copying an original placed on the contact glass.
P.1-3-31 U072: For copying originals from the document processor.
To make an adjustment for CIS, select ADJUST DATA2.
To make an adjustment for rotate copying, select ADJUST DATA3.
P.1-3-26 U066: For copying an original placed on the contact glass.
P.1-3-30 U071: For copying originals from the document processor.
To make an adjustment for CIS, select ADJUST DATA3.
To make an adjustment for rotate copying, select ADJUST DATA5.
P.1-3-80 U403: For copying an original placed on the contact glass.
P.1-3-81 U404: For copying originals from the document processor.
To make an adjustment for CIS, select B MARGIN (BACK).
P.1-3-80 U403: For copying an original placed on the contact glass.
P.1-3-81 U404: For copying originals from the document processor.
To make an adjustment for CIS, select D MARGIN (BACK).
P.1-3-80 U403: For copying an original placed on the contact glass.
U404: For copying originals from the document processor.
P.1-3-81 To make an adjustment for CIS, select A MARGIN (BACK)/C MAR-
GIN (BACK).
Item Specifications
Skewed paper feed Cassette: 1.5 mm or less
(left-right difference) MP tray: 1.5 mm or less
Duplex mode: 2.0 mm or less
Using DP:
Simplex-Simplex: 2.0 mm or less
Simplex-Duplex: 2.5 mm or less
Duplex-Simplex: 2.5 mm or less
Duplex-Duplex: 3.0 mm or less
Lateral image shifting Cassette: 2.0 mm or less
MP tray: 2.0 mm or less
Duplex mode: 3.0 mm or less
Using DP:
Simplex-Simplex: 2.5 mm or less
Simplex-Duplex: 3.5 mm or less
Duplex-Simplex: 3.0 mm or less
Duplex-Duplex: 3.5 mm or less
2KN/2KP
2-4-12