User Check- Page 155

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 oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint out test  print o

Print out test  print out test  print out test  Print out test  print oPrint 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.