.Text + = i.tostring () + Environment.NewLine;This.progressBar1.Maximum = MaxValue;this.progressbar1.value++;});Test. Dodelegatemethod ();Vi. How to empty a delegate1. Declare the empty delegate method in the class, and loop to remove the delegate reference in turn.Here's how:public class Testdelegate{Public Delegatemethod ondelegate;public void Cleardelegate (){while (this. Ondelegate = null){This. Ondelegate-= this. Ondelegate;}}}2. If the method of emptying the delegate is not declared in the
service installation drive is complete.
The operation method is as follows:
1. Right-click "My Computer" rarr; "admin" rarr; "Services and Applications" rarr; "services".
2. Find "PRINT SPOOLER" rarr; Right click "Properties" to check whether the startup type is started and whether the service status is started.
Third, check the printer screen display status
No screen display model:
Check the light of the panel lights, red light flashing, ton
Apply to hint toner cartridge life will arrive, start still can continue to use, otherwise the manufacturer how to make money.
The following methods come from the liberal arts of Baidu:First, HL-1208 machine Qing 0 method (that is, TN1035 powder box applicable HL series models)
1. Usually if the printer is turned on at this time, press the power button for a few seconds to turn the printer off. Press and hold the Power-on key to open the top cover w
connection use, the power supply quota should be: 220-240V, 50Hz, 15A. 3, every morning after work, to open the copier preheating for about half an hour, so that the copier to keep dry. 4, to keep the copier glass table clean, no scratches, can not have altered liquid, finger print and so on spots, otherwise will affect the copy effect. If spotted, use a soft glass cleaner to clean the glass. 5, in the copier work process must be in the top of the block version, in order to reduce the glare of
The author of the office of a Lenovo LJ2500 laser printer in a file when the Tu Yu power outage, after the call to open the printer switch, the printer control Panel "Toner Lamp", "Ready lamp", "Warning Light", "data lamp" flashing constantly, and can not be normal boot after the toner cartridge preheating. According to the symptom reference provided in the printer user's manual, this behavior is an error w
Step 1. Open the front cover and remove the toner cartridgeWhen the lifetime of the imaging device ends, the machine stops printing and the imaging device needs to be replaced. Follow these steps to replace the imaging device:Imaging Device (toner cartridge) model: MLT-R116Open the front cover and pull out the toner cartridge.Step 2. Remove the old imaging device
cancel the print task by manually entering the command.
1. Click the "Start" menu item in the lower left corner of the computer and select "Run".
2. In the "Run" box, enter "net stop spooler" and click the "OK" button to stop the printer service.
Note:
you need to stop printing tasks to manually delete the print tasks in the folder.
3. In the "Run" box, type "SPOOL" and click "OK".
4. Select the "PRINTERS"
step.2. Pull out the tray 1.3. Gently pull out the paper jam.Note: If the paper is not moved when you pull the paper, or you cannot see the paper in this area, check the timer area near the toner box.4. Re-insert tray 1 into the machine until the card is in place. Print will be restored automatically.3. Manual paper board jam1. If the paper feed is abnormal, pull the paper out of the machine.2. Switch the front door once to resume printing.4. Machine
If a printing quality problem occurs or you are using your machine in a dusty environment, you need to regularly clean your machine, this ensures optimal printing conditions and prolongs the service life of the machine. The procedure is as follows:Note:1. Clean the external or display screen of the machineClean the machine housing or display screen with a non-velvet cloth. Wet the cloth with water, but do not let the water drop into the machine or drop into the machine.II. Clean the machineIn th
If a printing quality problem occurs or you are using your machine in a dusty environment, you need to regularly clean your machine, this ensures optimal printing conditions and prolongs the service life of the machine. The procedure is as follows:Note:1. Clean the external or display screen of the machineClean the machine housing or display screen with a non-velvet cloth. Wet the cloth with water, but do not let the water drop into the machine or drop into the machine.II. Clean the machineIn th
software platform for the source configuration. Avpsoft Apfill v3.4.888 1CD (unique printing tool to make ink and pigments only requires 5% of all A4 printed products)Apfill Ink Overlay Calculator is a unique tool for print shop and home users. Now you can optimize your page printing by spending less ink, toner and money. The use of ink and toner is usually describedTo be covered by printer manufacturers s
Q: EPSON C2000 in the Pink box of the developer roller has extra toner, resulting in the glass under the toner cartridge on the top of the toner, what is the cause?
A: If you are using special powder: In addition to the carbon powder damp, is the powder bin scraper is not very good, replace the scraper on it.
Q: After adding
details, to the needle printer's use and maintenance of a look back, hoping to "new" people to bring a certain harvest!Start by changing the ribbon to make the needle efficient "service"As with toner and ink cartridges, ribbons in fact belong to a printing consumables, but it only belongs to the needle-type printer proprietary; Usually, every once in a while, we need to change the ribbon. Although changing the print ribbon is not a very difficult thi
prepared about 3000 leaflets, the use of 10 student council cadres, to carry out the dormitory washing activities, so that the leaflets can be accurately put into each dormitory inside, the washing house activity is very successful, Attracted a large number of target consumer groups to promote the scene, the entire activity to maintain three days, in these days the sales completed very well. If the story ends here, that's a pretty good thing, however, on the third day of the activities, because
Note: The printer is the office using the most frequent busy equipment, such as our company, every day to change the toner cartridge n+1 times, is simply in the eating ink, each time the colleague called to tell No ink, and then we will have someone in the past to replace. Comparison affects productivity. Accidentally found that the company's printers also support the SNMP protocol, so deliberately tested results can be fully monitored and early warni
10. Printer terminology
Control Language: currently, Post Script is the most commonly used language. The standard page description language used by international organizations for the publishing industry. On a color laser printer, it precisely locates the color, make the printer output images in the field, the color displayed on the monitor, and the color scanned by the scanner to achieve better coordination and unification. Currently, the Post Script Level 2 Language is widely used.
Col
1. Clear original paper jam: If paper jam occurs when paper is fed through the automatic paper feed (ADF), the "document Jam" is displayed on the display screen ".1. Clear the original paper jam1. Remove the remaining paper from the ADF.2 open the top cover of the ADF.3. Gently pull the document out of the ADF.4. Disable the top cover of the ADF. Then, reload the extracted paper into the ADF (if any ).Note: To avoid document jams, use a document scan glass plate to place thick, th
used together.Network connection problemsIf the network connection is incorrect and the connection is loose and the network cable is damaged, the machine cannot identify the network properly. We recommend that you re-plug the network line. If not, try another network line.IP address connection problemsThe IP address connection method is as follows:1.Click Start on the computer ].2. Select run and enter 【CMD].3.EnterDOSEnter"PING"Space +"IPThen press Enter.Tip:1."Reply from&q
If the color of the machine print is light or fading, the following figure shows the operation:
Related actions are as follows:
Action 1: Replace the toner cartridge to see how the Samsung printer replaces the toner cartridge, the printer replaces the toner cartridge method.
Action 2: The paper specifications used by the printer refer to the
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