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
Содержание DEClaser 5100
Страница 10: ......
Страница 13: ...DSG 000172 Notes 1 ...
Страница 14: ......
Страница 36: ...1 8 Resolution Graphics Enhancements Option Board DSG 000172 Notes 1 22 Physical and Functional Description ...
Страница 61: ...2 5 HVPSA Figure 2 12 EP ED Cartridge DSG 000612 2 1 3 4 5 6 7 Technical Description 2 25 ...
Страница 62: ...2 5 HVPSA DSG 000172 Notes 2 26 Technical Description ...
Страница 70: ...3 2 Control Panel Operation DSG 000172 Notes 3 8 Operating the Control Panel ...
Страница 90: ......
Страница 124: ...7 5 Phantom Jams DSG 000172 Notes 7 8 FIPs for Fixing Paper Jams ...
Страница 142: ...9 3 Assembly Gear 3 Remove the gear assembly through the rear of the printer DSG 000639 9 6 Removing and Replacing FRUs ...
Страница 152: ...9 7 Assembly Paper Delivery 3 Press and release the two clips DS G 0 006 46 1 9 16 Removing and Replacing FRUs ...
Страница 167: ...9 12 Board DC Control 1 2 4 5 7 8 9 6 3 10 DSG 000657 Removing and Replacing FRUs 9 31 ...
Страница 205: ...9 26 Guide HVPSA Contact Plate b Remove the HVPSA contact plate DS G 0 00 68 5 Removing and Replacing FRUs 9 69 ...
Страница 224: ...10 1 Field Replaceable Units DSG 000172 Notes 10 4 FRU Part Numbers ...
Страница 254: ...B 4 Connecting to OpenVMS VAX or ULTRIX Systems DSG 000172 Notes B 10 General Information ...
Страница 264: ...D 3 Tools DSG 000172 Notes D 4 Training Documentation and Tools ...
Страница 274: ......