Kyocera TASKalfa 7002i Service Manual page 1594

Adjusting
Item
order
Adjusting the leading edge regis-
tration
(Adjustment of reading)
11 Changes the original scan start
timing.
When maintenance item U411 (Automatic adjustment in the scanner) is run using the specified original (P/N 7505000005), the fol-
lowing adjustments are automatically made:
Scanner magnification adjustment in the sub scanning direction (U065)
Adjusts the scanner leading edge registration (U066)
Adjusting the scanner center line (U067)
Chromatic aberration in the main scanning direction
Chromatic aberration in the sub scanning direction
MTF correction
Input gamma in color mode
Color correction matrix
Input gamma in monochrome mode
When maintenance item U411 (Automatic adjustment in the scanner) is run using the specified original (P/N 302AC68243), the fol-
lowing adjustments are automatically made:
*:When running this test chart, you first must clean the feed rollers with alcohol and ensure the DP width guides are correctly
positioned against the original.
*:DP adjustment original (ChartB)
Adjusting the DP sub scanning magnification (U070)
Adjusting the DP leading edge registration (U071)
Adjusting the DP center line (U072)
When maintenance item U411 (Automatic adjustment in the scanner: DP Auto Adj) is run using the specified original, the following adjustments are automatically made:
Adjusting the DP sub scanning magnification (U070)
Adjusting the DP leading edge registration (U071)
Adjusting the DP center line (U072)
When maintenance item U415 (Print Position Auto Adjust) is run using the specified original, the following adjustments are automatically made. (See page P.6-38)
Adjusting the printer leading edge registration (U034)
Adjusting the printer center line (U034)
Adjusting the printer margin (U402)
Maintenance mode
Image Page
Item No. Mode
U066 Front P.6-56
P.6-61
U071 Front Head
Back Head
Setting procedure
Method
1. Press the Start key. 1. By using the [Left/Right],[+/-]
2. Press the System Menu key. cursor or the numeric keys,
3. Place an original and press the Start key. change the setting value.
(Test copy output) 2. Press the Start key to set the
4. Press the System Menu key. setting value.
5. Select the adjustment content.
Press the [Stop] key.
U066: [Front]
U071: [Front Head] or [Back Head]
Image quality
Items
100% magnification
Magnificaiton
Lateral squareness
Leading edge timing
Skewed paper feed
(left-right difference)
Lateral image shifting
9-14
Remarks
Setting
U066: When using on the contact glass
*When the setting value is increased, the image
moves forward.
U071: When using document processor
*Back adjustment selects [Back Head] at the
time of duplex mode.
*When the setting value is increased, the image
moves forward.
Specifications
Printer: ±0.8%
Copy: ±1.5%
Using DP: ±2.0%
Copy: ±2.0%
Using DP: ±2.5%
Copy: ±2.0mm/200mm
Using DP: ±2.5mm/200mm
Print: 2.0 mm or less
Copy: 2.0mm or less
Using DP: 2.5mm or less
Print: 1.0mm /100mm or less
Copy: 1.0mm /100mm or less(table)
1.5mm/100mm or less(document processor?
Print: ±2.0mm or less(cassette)
±3.0mm or less(MP tray)
Copy: ±2.0mm or less(cassette)
±3.0mm or less(MP tray)
Using DP: ±2.0mm or less(cassette)
±3.0mm or less(MP tray)
2WA/2NJ/2RK-1