3MH
1-3-2
(2) Maintenance mode item list
Section
Item
No.
Content of maintenance item
Initial
setting*
General
U019
Displaying the ROM version
-
Drive, paper
feed and
paper convey-
ing system
U030
Checking motor operation
-
U031
Checking switches for paper conveying
-
U032
Checking clutch operation
-
U034
Adjusting the print start timing
Adjusting the leading edge registration
Adjusting the center line
Adjusting the trailing edge margin
Adjusting the leading edge registration
2.8/0.0/0.0/0.0/0.0/0.8
*1
-2.4/0.0/0.0/0.0/0.0/0.0
*1
2.0
*1
2.0/2.0/2.0/2.0/2.0/2.0
*1
U051
Adjusting the deflection in the paper
30/20/ 0/ -20/ -20/20
*1
U053
Performing fine adjustment of the motor speed
0.3/0.7/-0.5/0/0/0/0.5
*1
-0.1/-0.1/-0.3
*1
Mode setting
U341
Specific paper feed location setting for printing function
-
Other
U901
Checking/clearing copy counts by paper feed locations
-
*Initial setting for executing U020, *1: The item initialized for executing U020, *2: The item initialized for executing U021
Summary of Contents for DF-420
Page 3: ...Revision history Revision Date Replaced pages Remarks ...
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Page 11: ...First Edition DP 420 ...
Page 17: ...3MX 1 1 4 This page is intentionally left blank ...
Page 21: ...3MX 1 2 4 This page is intentionally left blank ...
Page 65: ...3MX 1 5 10 This page is intentionally left blank ...
Page 69: ...3MX 2 1 4 This page is intentionally left blank ...
Page 82: ...First Edition PF 420 ...
Page 87: ...3MH 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
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Page 146: ...3MH 2 3 4 This page is intentionally left blank ...
Page 149: ...First Edition DF 420 ...
Page 151: ...3MJ This page is intentionally left blank ...
Page 155: ...3MJ 1 1 4 This page is intentionally left blank ...
Page 159: ...3MJ 1 2 4 3 Remove the tape from the process table Figure 1 2 4 Tape Process table ...
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Page 192: ...First Edition JS 420 ...
Page 194: ...3MK This page is intentionally left blank ...
Page 196: ...3MK 1 1 2 1 1 2 Parts names Figure 1 1 1 1 2 1 Job separator tray 2 LED ...
Page 197: ...3MK 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
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Page 215: ...First Edition FAX System R ...
Page 217: ...3MZ This page is intentionally left blank ...
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