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about the Imaging unit streak defect
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Contents
1. Imaging unit Repair Process
1.1 Repair Process Map
1.2 Applied model
1.3 Problem description(Symptom)
1.4 Cause
2. Service Countermove Method
2.1 Solution
2.2 How to treat the BK Deve Unit
2.3 How the S/N is composed of Imaging Unit.
2.4 Firmware Upgrade Method
2.5 How to replace the black deve of Imaging unit
3. Packing Guide for pick up or exchanger
3.1 In case of not packing the hole
3.2 Paking Method
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1. Imaging unit Repair Process
1.1 Repair Process Map
Customer
Call
Pick Up info.
TNT
ASC repair
[ Cost Allowance Standard ]
No
No
Yes
Yes
Part Cost
On Site I/U repla.
I/U return
BK Deve repair
Parts collect
Repair complete
referenceLabor costSVC type
1.2 Applied model
CLX-2160 series
Non paid
BK Deve cost paid
CLP-300 series
OPC Ass’y FOC supply Buffer MN/AEOn-site
BK Deve replacementMJPick Up
CLP-350 series
CLX-3160 series
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1.3 Problem description(Symptom)
The printed page has a vertical streak defect.
When printing, a abnormal noise occurs.
Example of vertical streak image
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1.4 Cause
Black toner was adhered to Dr-Blade, because of Toner stress
As a result, toner couldn't be transferred to Deve-Roller.
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2. Service Countermove Method
2.1 Solution
1. Clean the LSU window and do Firmware upgrade on that machine.
If this issue couldn't improve that carry out the next step.
2. Check the serial number of imaiging unit. and prepare compatable with BK deve unit
- Manufactured Imaging unit before July 2007 : BK deve unit(JC97-02616E)
- Manufactured Imaging unit before August 2007 : BK deve unit(JC97-02616A)
3. Replace BK Deve Unit and do Firmware upgrade
2.2 How to treat the BK Deve Unit
Note
We need to consider the manufacturing date of imaging unit to replace the BK Deve unit
Check Method.Distinction of BK deve unitParts codeParts Name
Manufactured before July. 2007
Initial Imaging Unit :
MEA UNITDEV K(old)
MEA UNITDEV K(new)
JC9702616E
JC9702616A
CNE3JC9603610CCD5G9P7xxxxxx ~
After market Imaging Unit :
BY74BQGP7xxxxxx ~
Manufactured after August 2007
Initial Imaging Unit :
~ CNE3JC9603610CCD5G9P8xxxxxx
After market Imaging Unit :
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~ BY74BQGP8xxxxxx
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2.3 How the S/N is composed of Imaging Unit.
• Manufacturing Origin :CN means China, KR is for Korea, if you can see CN, the units was
manufactured in China
• Part number :This is the SAMSUNG parts number.
• Manufacturing Year : L ױ'2006, P ױ'2007, Q ױ'2008
• Manufacturing Month
LetterMonth
1 ~ 9Jan~Sep
AOct
BNov
CDec
2.4 Firmware Upgrade Method
1) Connect PC and printer with USB cable.
2) Turn on the power of printer.(Ready Status)
3) Drag the f/w file and Drop down on the usbprn2.exe. And then f/w update will be started
automatically.
4) Please wait until end reboot.
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2.5 How to replace the black deve of Imaging unit
1. Remove the 2 screws as shown below.
Caution – When removing the screws, spread
out the paper to protect the OPC surface.
2. Release the hook from the right side
of the OPC unit by pulling out the lever.
3. Release the hook from the left side of
the OPC unit
4. Pull the waste toner device of the OPC unit in the direction of arrow and then lift it up.
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5. Release the OPC unit.
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Caution
There is the spring on the yellow
deve unit. Avoid missing it.
6. Take out the defective deve unit.
7. Done. ( Black deve unit)
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8. After replace the new deve unit, assemble the OPC unit. When assembling, take care of
the hooks and holes as shown below.
hook hook
hole
9. Tighten the 2 screws.
10. Check whether OPC unit is assembled or not properly.
hole
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3. Packing Guide for pick up or exchanger
If you send imaging unit without packing toner bottle hole, imaging unit is a mess because of
toner leakage. So, You should put the plug.(Cap deve) when move imaging unit. If you have
not cap deve then you may pack the hole using toner bottle, waste paper,etc
3.1 In case of not packing the hole
Imaging unit is a mess like below picture.
3.2 Paking Method
CAUTION - You must plug the hole by seeing below method when move imaging unit.
In case of putting the cap deve.
Cap deve
In case of putting the cap bottle in waste bottle.
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