Action
Yes
No
Step 3
a
Remove the imaging unit.
Warning—Potential Damage:
Do not expose the imaging unit
to direct light for more than 10 minutes. Extended exposure
to light may cause print quality problems.
Warning—Potential Damage:
Do not touch the
photoconductor drum under the imaging unit. Doing so may
affect the quality of future print jobs.
b
Remove any packing material that is stuck on the imaging unit.
Note:
Make sure to remove any obstruction between the
charge roller and photoconductor drum.
c
Insert the imaging unit.
d
Print the document.
Do vertical dark bands appear on prints?
Go to step 4.
The problem is
solved.
Step 4
a
Check if a bright light enters the right side of the printer, and
move the printer if necessary.
b
Print the document.
Do vertical dark bands appear on prints?
Contact
The problem is
solved.
Troubleshooting
176
Summary of Contents for M5255
Page 107: ...2 Remove the toner cartridge 3 Remove the used imaging unit Maintaining the printer 107 ...
Page 118: ...2 Remove the used pick roller 3 Unpack the new pick roller Maintaining the printer 118 ...
Page 119: ...4 Install the new pick roller 5 Close the multipurpose feeder Maintaining the printer 119 ...
Page 141: ...2 Remove the staple cartridge holder 3 Remove the loose staples Clearing jams 141 ...
