CHAPTER 7 TROUBLESHOOTING

Print Quality

!Caution

You will clear a print quality problem by replacing the drum unit with a new one if the Drum lamp is on. The drum unit is at the end of its life.

Question

Printed pages contain white stripes.

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One thing I can tell you is you go to be

together right now, over

me. Here come Flat-top

. One thing I can tell you is you go

. Come together right now,

over me. Here come

come. One thing I can tell you is you

be free. Come together rightA

now, over me. Here

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together right now, over

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in the sky with Diamonde. AA

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go to be free. Come together right now,

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come. One thing I can

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is you go to be free. Come together

now, over me. Here come Flat-

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tell you is you go to be free. Come

now, over me. Lucy in the

sky with Diamonde.

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together right now, over

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can tell you is you go to be

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thing I can tell you is you go to be free

together right now, over me. A

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One thing I can tell you is you go to be

together right now, over

me. Here come Flat-top

. One thing I can tell you is you go

. Come together right now,

over me. Here come

come. Lucy in the sky with Diamonde

thing I can tell you is you go

to be free. Come together

now, over me. Here come Flat-top ,he

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now, over me. Here come Flat-top

. One thing I can tell you is

you go to be free. Come

right now, over me. Here come Flat

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you is you go to be free

together right now, over me. Here

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tell you is you go to be

together right now, over me. Here

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can tell you is you go

. Come together right now, over me.

Flat-top ,he come. One A

thing I can tell you is

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. Here come Flat-top ,he A

come. One thing I can

you go to be free. Come together

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now, over me. Here come Flat-

top ,he come. One thing

tell you is you go to be free. Come

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sky with Diamonde. One thing I can

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Fig. 7-8 White Stripes or Faint

Images

Printed pages are stained with toner or have vertical stripes.

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Fig. 7-9 Dark Stripes or Toner

Stains

Printed pages have white spots in black text and graphics area.

Recommendation

You may clear the problem by wiping the scanner windows with a soft cloth. (See “Cleaning the machine interior and Drum unit.” in Chapter 6.)

If the same problem occurs and the Drum lamp is still on after cleaning, replace the drum unit with a new one.

￿Clean the machine interior and the primary corona wire of the drum unit. See “Cleaning the Machine Interior and Drum Unit” in Chapter 6 .

￿Make sure that the tab of the corona wire is at the home position.

If the same print problem occurs and the Drum lamp is still on after cleaning, replace the drum unit with a new one.

Make sure that you use paper that meets the specifications. Rough surface or thick media can cause the problem.

If you still have the same problem and the Drum lamp is on, replace the drum unit with a new one.

Fig. 7-10 White Spots

7-15