Utax PF 420, Service Manual

Page: 31 / 77

3MH
1-3-8
U034
(cont.)
Adjustment: trailing edge margin adjustment
1. Select group 3 using the image mode selection key.
2. Press the interrupt key.
3. Press the start key to output a test pattern.
4. Change the setting value using the zoom +/- keys.
For output example, increase the value.
Figure 1-3-3
5. Press the start key. The value is set.
Adjustment: leading edge registration adjustment for printer
1. Select group 4 using the image mode selection key.
2. Select the item using the exposure adjustment keys.
3. Press the interrupt key.
4. Press the start key to output a test pattern.
5. Change the setting value using the zoom +/- keys.
For output example 1, decrease the value. For output example 2, increase the value.
Figure 1-3-4
6. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Description Setting
range Initial
setting Change in
value per step
Trailing edge margin adjustment -4.0 to 10.0 2.0 0.1 mm
Correct image Output
example
Trailing edge margin
Exposure
indicator Description Setting
range Initial
setting Change in
value per step
Exp. 1 (lit) Paper feed from cassette -5.0 to 10.0 2.0 0.1 mm
Exp. 2 (lit) Paper feed from MP tray -5.0 to 10.0 2.0 0.1 mm
Exp. 3 (lit) Paper feed from first paper feeder -5.0 to 10.0 2.0 0.1 mm
Exp. 4 (lit) Paper feed from second paper
feeder -5.0 to 10.0 2.0 0.1 mm
Exp. 5 (lit) Paper feed from third paper
feeder -5.0 to 10.0 2.0 0.1 mm
Exp. 1 (flashing) Duplex mode -5.0 to 10.0 2.0 0.1 mm
Correct image Output
example 1
Output
example 2
Leading edge registration (20 ± 1.0 mm)