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Looking for examples of opc communications written in c++

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Our Glass sheet ID number not Transferring in OPC server. Between Clients. Especially issues with Read/ Write OPC communication. Please give us some solution for this.

Posted on Feb 06, 2010

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OPCServer MyServer = null;
OPCGroups MyOPCGroups = null;
OPCGroup MYOPCGroup = null;

MyServer = new OPCServer();

MyServer.Connect(ProgID,NODE);
// till here ok

MyOPCGroups =(OPCGroups) MyServer.OPCGroups;
// but when I tried to create the OPCGroups I am getting casting error saying:
// "Unable to cast object of type 'OPCAutomation.OPCServerClass' to type 'OPCAutomation.IOPCGroups'."

MYOPCGroup = (OPCGroup)MyOPCGroups.Add("MyGroup");

Posted on May 08, 2009

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I have an aquios LC-42D64U which suddenly has the following two lights blinking power & OPC. They both blink, once together, the second blink is only the power, and repeating the sequence. I've...


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1 Answer

What is (SVC E9 Error)


Hi there

The error indicated on the 8008, ‘SVC E9’ indicates the printer is not detecting the OPC belt as rotating in the printer. The printer ‘looks’ for two black squires on the left side of the OPC Belt (as viewed from the front of the printer) if the printer does not ‘see’ black squires the printer indicates the SVC E9 error.

If the printer is displaying the SVC E9 error the most likely cause is something to do with the OPC Belt, normally removing the OPC belt from the printer then re-seating the belt would resolve the problem in most cases, as the OPC belt may not be locating correctly in the printer.
Unfortunately you have already removed the OPC Belt from the printer without resolving the problem, it may however be worth removing the OPC belt again and to look at the green reflective surface to see if there any damage or if the green surface is fairly central and is no skewed or bent in any way.

Depending on which position the OPC belt stops in you may see the black squares down the left side of the belt, if you can see these and they don’t look damaged or scratched the printer should detect the OPC belt ok, so the problem may lie with the sensor on the printer its self.


Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

Feb 18, 2010 | TallyGenicom 8008 Laser Printer

1 Answer

OPC belt has 78% left -cant rid the problem


Look at the OPC belt edges, there's a shiny spot that passes thru a sensor, a can of air should blow out the sensor, carefully! When the sensor can't see the timing spot you get that error. You may have to replace the OPC since companies are imbedding a chip that tells the machine when they're used up.

Sep 01, 2009 | Brother MFC-9420CN All-In-One Laser...

1 Answer

TALLY GENICOM 8008


The SVC E9 error indicates a 'BELT MARKER' error.
This means the printer is not detecting the OPC Belt as rotating.

This error can be caused by a damaged OPC belt, you can check this by removing the OPC belt from the printer and look at the OPC belt it should have a smooth green coating if there is damage to this belt it may cause this error.

The error can also be caused by a damaged 'Transfer Belt' when the OPC belt has been removed from the printer look inside the printer where the OPC belt used to be located you should see a black belt towards the back of the printer, if this belt is damaged it can also cause the error.

Ensure the OPC Belt locates in the printer correctly.

If the OPC belt and Transfer belt look to be free from damage and a are located correctly in the printer you may have a faulty belt marker sensor or faulty OPC belt.
You can try substituting the OPC belt for an alternative one if you have this available to see if you can narrow the problem down to the sensor.

Jan 23, 2009 | TallyGenicom 8008 Laser Printer

1 Answer

I own a Tally Genicom 8008 Laser printer. From the last print and after it appears the message: SVC E9 ERROR


The error indicated on the 8008, ‘SVC E9’ indicates the printer is not detecting the OPC Belt as rotating in the printer. The printer ‘looks’ for two black squires on the left side of the OPC Belt (as viewed from the front of the printer) if the printer does not ‘see’ black squires the printer indicates the SVC E9 error.

If the printer is displaying the SVC E9 error the most likely cause is something to do with the OPC Belt, normally removing the OPC belt from the printer then re-seating the belt would resolve the problem in most cases, as the OPC belt may not be locating correctly in the printer.
Unfortunately you have already removed the OPC Belt from the printer without resolving the problem, it may however be worth removing the OPC belt again and to look at the green reflective surface to see if there any damage or if the green surface is fairly central and is no skewed or bent in any way.

Depending on which position the OPC belt stops in you may see the black squares down the left side of the belt, if you can see these and they don’t look damaged or scratched the printer should detect the OPC belt ok, so the problem may lie with the sensor on the printer its self.

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2 Answers

To change opc drum in konica minolta


To Change OPC DRUM UNIT in KONICA MINOLTA 2300 w

Switch Printer Off

Open Front Door Cover

Remove Waste Toner Box

Lift Transfer Belts Blue Knob until it's placed at 11 o'clock. (it's directly behind the waste toner box)

The OPC DRUM UNIT is directly under the BLUE KNOB

SQUEEZE HANDLE and PULL OUT the OPC UNIT

Be VERY CAREFUL NOT TO SCRATCH THE GREEN COLOURED ROLLER on the OPC DRUM UNIT.

Replace new OPC DRUM and turn BLUE KNOB of TRANSFER BELT back to 7 o'clock position

Replace Waste Toner Box, Close Front Cover and Switch On.

Status Display will show OPC Drum at 100%

(You can also replace the fuse in the OPC DRUM UNIT and save yourself HUNDREDS on a new one)
I posted this on another solve problem previously, worth looking at.

Jan 06, 2009 | Minolta magicolor 2300W Laser Printer

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