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KIP700M-半色调及实黑块都太淡

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发表于 2020-3-26 07:46:53 | 显示全部楼层 |阅读模式
Halftone and solid black are too light

Check the following matters with the Test Pattern No.1 S(0) and No.3 S(0).
If necessary use other Test Patterns.

Cause
Checking order
Checking
Result
Treatment
1
Try to readjust each image creation component according to   [7.2.1   Basic Image Adjustment].
Is the problem fixed?
Yes
OK
2
Turn off the machine in the middle of printing, and then check   the toner image on the Drum.

Is the toner image looks normal?
Yes
Go on to the step 3.
No
Go on to the step 7.
Process Unit
3
Is the Process Unit seated by the 4 thumb screws properly?
No
Reseat the Process Unit and fix it with the thumb screws   properly.
Reinstall the drive belt.
Transfer Corona
4
Is the Transfer/Separation Corona installed to the machine   correctly?
No
Install it correctly.
Is the high voltage of Transfer Corona leaking?
Yes
Clean the Transfer Corona.
Paper
5
Can you fix the problem if you use a newly unpacked paper?
Yes
1.  If the paper was
     humidified, instruct   the
     customer of the way   store
     the paper.
2.  If the paper was not   the
     specified one,   explain the
     customer that some
     image problem may
     occur in that case.
Lead Wire
6
Is the resistance of Lead Wire about 10 kilo ohm, which connects   the HV Power Supply and the Transfer Corona?
No
Replace the Lead Wire.
Input voltage to the Transfer Corona
7
Is a correct voltage supplied from the HV Power Supply to the   Transfer Corona?
No
Readjust the input voltage.
Replace the HV Power Supply PCB.
Dirt of the LED Head
8
Is the LED Head dirty?
Yes
Clean it.
Developer Unit
9
Is the Developer Roller evenly covered with the toner?
No
Check the whole Developer Unit to find the cause.
10
Is the Developer Unit firmly pressed toward the Drum?
No
Remove the Developer Unit, and then install it to the machine   correctly.
Installation of Developer Unit
11
Is the driving gear on the right of the Developer Unit surely   fitted to the driving mechanism on machine side?
No
Check the concerning gears.
Toner Sensor
12
Is there enough toner in the Developer Unit?
No
1.  Check the wire or the
     connector connected   to
     the Toner Sensor.
2.  Check the Toner Supply   
     Motor.
3.  Check the proper   amount
     of toner remains in   the
     Hopper Unit.
4.  Check the Toner   Sensor.
Yes
Replace the Process Unit.
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发表于 2020-3-26 08:49:33 | 显示全部楼层
写的真的很不错
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发表于 2020-3-26 08:49:33 | 显示全部楼层
帮你顶下哈!!
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发表于 2020-3-26 08:51:25 | 显示全部楼层
不错,支持下楼主
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发表于 2020-3-26 08:52:21 | 显示全部楼层
好帖,来顶下
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发表于 2020-3-26 08:53:51 | 显示全部楼层
学习下
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发表于 2020-3-26 08:56:22 | 显示全部楼层
写的真的很不错
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发表于 2020-3-26 08:56:40 | 显示全部楼层
学习了,谢谢分享、、、
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