Oki MPS930b User Manual page 114

SYMPTOM
Black Prints - The entire
printed page is black.
Horizontal Line Deletions -
There are areas of print
deletions that appear across
the paper.
Vertical Line Deletions - There
are areas of print deletions
that form narrow lines.
CAUSES
1. The drum cartridge
may be defective.
2. Printable data from the
computer may be
corrupted.
1. The drum cartridge
may not be installed
correctly.
2. The drum cartridge
may be defective or at
the end of its life.
3. The transfer roller may
be defective.
1. The paper may be
defective with creases,
folds, etc.
2. The drum cartridge
may be defective or at
the end of its life.
3. The transfer roller may
be defective.
MPS930b User's Guide> 114
SOLUTIONS
1. Replace the drum
cartridge.
2. Print a Configuration
Page.
- If the Configuration
Page prints correctly,
check the interface cable
between the computer
and the printer, and the
application software.
- If the connections
appear normal, contact
technical support.
1. Remove and re-install
the drum cartridge.
2. Replace the drum
cartridge.
3. Replace the transfer
roller (in the
maintenance kit).
1. Replace the paper.
2. Replace the drum
cartridge.
3. Replace the transfer
roller (in the
maintenance kit).