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Maintenance
Description
item No.
2FD/2FF/2FG
1-4-22
U053
Performing fine adjustment of the motor speed
Description
Performs fine adjustment of the speeds of the motors.
Purpose
Used to adjust the speed of the respective motors when the magnification is not correct.
Method
Press the start key. The screen for selecting an item is displayed.
Setting
1. Select the item to be set. The selected item is displayed in reverse.
2. Change the setting using the cursor up/down keys.
Display
Description
Setting range
Initial setting
MAIN MOTOR
Drive motor speed adjustment
0 to +40
7
EJECT MOTOR
Eject motor speed adjustment
0 to +14
9
POLYGON MOTOR
Polygon motor speed adjustment
-20 to +20
0
MAIN MOTOR /EJECT MOTOR
Increasing the setting makes the image shorter in the auxiliary scanning direction, and decreasing it makes
the image longer in the auxiliary scanning direction.
POLYGON MOTOR
Increasing the setting makes the setting makes the image shorter in the main scanning direction and longer
in the auxiliary scanning direction; decreasing the image longer in the main scanning direction and shorter
in the auxiliary scanning direction.
EJECT MOTOR
Normally no change is necessary but this can be used as countermeasures against wrinkles (waving) of
paper.
3. Press the start key. The value is set.
Interrupt copy mode
While this maintenance item is being performed, a VTC pattern shown below is output in interrupt copy mode.
Correct values for an A3/11"
×
17" output are:
A = 300 ± 1.5 mm
B = 260 ± 1.0 mm
Figure 1-4-1
Adjustment
1. Output an A3/11"
×
17" VTC pattern in interrupt mode.
2. Measure A and B on the VTC pattern (Figure 1-4-1), and perform the following adjustments if they are
different from the correct sizes:
A: Drive motor speed adjustment
B: Polygon motor speed adjustment
Completion
Press the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No. is
displayed.
Summary of Contents for AD-63
Page 340: ...AD 63...
Page 343: ...3CX 1 1 2 1 1 2 Part names Figure 1 1 1 Duplex unit...
Page 344: ...3CX 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path Duplex unit...
Page 360: ...DF 78...
Page 363: ...3B5 1 1 2 1 1 2 Part names Figure 1 1 1 1 Intermediate tray 2 JAM release lever 3 Eject tray...
Page 397: ...J 1402...
Page 400: ...3B6 1 1 2 1 1 2 Part names Figure 1 1 1 1 Job separator tray 2 LED...
Page 401: ...3B6 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path...
Page 402: ...3B6 1 1 4 1 1 4 Drive system Figure 1 1 3 1 Gear 20 2 Gear 28 3 Gear 28 4 Eject roller gear...
Page 413: ...PF 70...
Page 415: ...1 1 2 3CC 2 4 Appendixes Timing chart No 1 2 4 1 Timing chart No 2 2 4 2 Wiring diagram 2 4 3...
Page 417: ...3CC 1 1 2 1 1 2 Parts names 1 Upper drawer 2 Lower drawer 3 Desk left cover Figure 1 1 1 3 1 2...
Page 418: ...3CC 1 1 3 1 1 3 Machine cross section Paper path Figure 1 1 2 Machine cross section...
Page 450: ...RA 1...
Page 452: ...3CP 1 1 1 1 1 1 Part names Figure 1 1 1 Switchback unit Switchback unit open close lever...
Page 453: ...3CP 1 1 2 1 1 2 Machine cross section Figure 1 1 2 Paper path Switchback unit...
Page 470: ...PF 75...
Page 472: ...1 1 2 5FF 2 4 Appendixes Timing chart No 1 2 4 1 Timing chart No 2 2 4 2 Wiring diagram 2 4 3...
Page 475: ...5FF 1 1 3 1 1 3 Machine cross section Paper path Figure 1 1 3 Machine cross section...
Page 513: ......