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PRINTING QUALITY PROBLEMS
4.5.13 MARKS ON FRONT OF PAGE
Description: Background or black marks are visible on the
output print.
Cause
1.
Toner leakage due to incorrectly sealed
toner cartridge.
2.
Transfer roller is contaminated.
4.5.14 MARKS ON BACK OF PAGE
Description: Background or black marks are visible at 47.1 or
75.4 mm intervals, on rear side of the output print.
Cause
1.
Transfer roller is contaminated
2.
Pressure roller is contaminated.
B273
1.
Replace the toner cartridge.
2.
Perform the PC cleaning mode 2-3 times.
Then perform the self-test 2-3 times.
1.
Perform the PC cleaning mode 2-3 times.
Then perform the self-test 2-3 times.
Replace the transfer roller if the problem
persists.
2.
Disassemble the fusing unit and clean the
hot roller and the pressure roller. Clean
the area between the hot roller and the
thermistor. (Use caution. Do not damage
the rollers.)
4-26
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
B273T926.WMF
Solution
Digital
Digital Pri
Digital Printer
Digital Printer
Digital Printer
B273T927.WMF
Solution
SM
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