Vertical White Band, Light Band - Samsung SL-X7600GX Service Manual

4.7.2. Vertical White Band, Light Band

A. Typical faulty images
B. Troubleshooting procedure
Step Cause
1 A foreign substance is stuck between Magnetic roller
and Blade.
• The toner on Magnetic-roller is empty partially.
2 The developer in Deve unit is insufficient or the life of
Deve unit has expired.
3 The path of laser beam is blocked.
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Action
Pull out a foreign substance.
• Make the hook shape sheet. (Transparency sheet
is recommended. )
• Put the hook into the gap between Magnetic roller
and Blade.
• Pull out a foreign substance.
1) Print the supplies information report. Check the
remaining life of the Deve unit. If it is expired,
replace the Deve unit.
2) Check the developer layer on magnetic roller. If
it is short seriously, replace the Deve unit.
Clean the LSU window.
(Refer to 3.2.1.2.)
4. Troubleshooting
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