8.14 Distorted Image or Missing BD Signal
8.14 Distorted Image or Missing BD Signal
Image distortion occurs when the paper fails to smoothly move
through the transfer process or if a malfunction occurs in the
scanning assembly.
If the beam detect (BD) signal is missing, this distinctive pattern
prints before an engine fault occurs and the message appears.
1.
Inspect the following DC Controller board connectors for damage
or missconnection. Replace any FRU that is damaged.
This connector . . .
Should connect
to . . .
Comment
J211
Main motor
Plugs into J131 on
the motor board.
J201
Paper feed unit
Plugs into feed unit
controller.
J205
Scanner assembly
Motor and BD circuit
J206
Scanner assembly
Laser diode
2.
Perform this step only if there is a distorted image.
Inspect the condition of the oblique feed rollers and pressure
springs. If you see any surface deterioration or rust, replace the
paper feed unit. See Section 2.2 for the location of the oblique
feed rollers.
3.
Swap the following:
•
DC control board
•
Paper feed unit
•
Pickup motor
•
Main motor
•
Scanner assembly
FIPs For Fixing Image Defects 8–11
Summary of Contents for DEClaser 5100
Page 10: ......
Page 13: ...DSG 000172 Notes 1 ...
Page 14: ......
Page 61: ...2 5 HVPSA Figure 2 12 EP ED Cartridge DSG 000612 2 1 3 4 5 6 7 Technical Description 2 25 ...
Page 62: ...2 5 HVPSA DSG 000172 Notes 2 26 Technical Description ...
Page 70: ...3 2 Control Panel Operation DSG 000172 Notes 3 8 Operating the Control Panel ...
Page 90: ......
Page 124: ...7 5 Phantom Jams DSG 000172 Notes 7 8 FIPs for Fixing Paper Jams ...
Page 167: ...9 12 Board DC Control 1 2 4 5 7 8 9 6 3 10 DSG 000657 Removing and Replacing FRUs 9 31 ...
Page 224: ...10 1 Field Replaceable Units DSG 000172 Notes 10 4 FRU Part Numbers ...
Page 254: ...B 4 Connecting to OpenVMS VAX or ULTRIX Systems DSG 000172 Notes B 10 General Information ...
Page 264: ...D 3 Tools DSG 000172 Notes D 4 Training Documentation and Tools ...
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