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Service Guide OF1050/2350/2450
Chapter 3 Board Description/Printer Operation
3.21 Sensors and Switches
3.21.01 Paper Jam Detection
Paper jam detection monitors the location of paper when the printer is powered ON and during printing. If
any of the following jams are present, the printing process is interrupted and the message PAPER JAM
will be displayed on the LCD.
To return to the printing process, the paper jam condition MUST be cleared. This is accomplished by
opening the upper cover, clearing the jam, and closing the cover.
Paper Outlet Jam
This jam occurs if, The paper does NOT pass over the outlet sensor within a pre-determined period of
time, however, the paper has already passed over the paper sensor.
Paper Size Error
The time interval between when the paper contacts the paper sensor and the outlet sensor determines
which size (length) paper is being used.
This error occurs if, The paper size of the loaded paper differs by + 45 mm or more from the paper size
set by the menu.
Cover Open Switch
When the stacker cover is opened, the cover open microswitch on the power supply board (FXUE) is
deactivated. This disables the + 38 vdc and the high voltage power supply circuit. As a result, all high
voltage outputs are interrupted. At the same time, the CVOPN signal is sent to the main control board
(MCNT-150) to notify it of the OFF state of the microswitch. The MCNT-150 executes the cover open
routine. The operation panel displays the message COVER OPEN.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
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Summary of Contents for OF1050
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Page 65: ...Figure 2 3 1 Unpacking Procedure 2...
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Page 152: ...Case 2 Canceling member s from a group...
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Page 224: ...NCUU Package Layout OKIFAX 1050 2350 2450 Figure 3 10 1 Block Diagram of NCUU...
Page 319: ...Figure 6 14 1 Protocol Dump Data Sample at transmitter side...
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Page 337: ...Page 185 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 5 No Local Copy...
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Page 351: ...Page 191 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 11 LED Test...
Page 365: ...Page 201 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 21 Document Jam...
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Page 395: ...Section 1 Cabinet Illustratio n Number OKIFAX Description Okidata Part Number Oki Part Number...
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Page 418: ...Section 6 Paper Guide Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...
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Page 448: ...Figure 6 1 High Capacity Second Paper Feeder...