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CHAPTER 6 TROUBLESHOOTING
6-33
I-13 Image distortion
Possible cause Step Check Result Remedy
Laser unit
installation
1 Is the laser unit secured to the
frame incorrectly?
(Check if there is any play.)
Yes Secure the unit correctly and
tighten the screws.
Scanner LD
emission failure
Scanner motor
rotation failure
2 Is the laser diode or the
scanner motor defective?
Yes Replace the laser unit.
Scanner
connection
failure
3 Is the scanner harness
connected properly?
(Check if it is coming loose.)
No Connect the harness correctly.
I-14 Faint print
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Possible cause Step Check Result Remedy
Printer
installation
1 Is the printer placed
horizontally?
No Place the printer on a flat
surface.
Toner cartridge 2 Does the problem happened
immediately after replacing the
toner cartridge with a new
one?
Yes Remove and carefully shake the
toner cartridge horizontally.
Scanner window
dirty
3 Is the scanner window dirty? Yes Clean the scanner window with
a soft dry cloth.
Laser unit failure 4 Is the problem solved by
replacing the laser unit?
Yes Replace the laser unit.