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Epson Stylus printer print head fault repair

Although the ink-jet printer and laser printer is currently very popular office equipment, but the stylus printer still in the financial, commercial areas such as a wide range of applications, which was mainly due to stylus printer has a low price, the use of economic, technological maturity etc., and stylus printer there are a number of specialized uses, such as printing more bills, etc. together. Of course, it also has a disadvantage that is a high failure rate, and its print head failure again of the total fault the rate of about 70%, below the print head for everyone to talk about the failure of maintenance of way. Of course, it also has a disadvantage that is a high failure rate, and its print head failure also accounted for 70% of the total failure rate of about Here's to talk to you about the repair method of print head failure.

The print head failures are: print head Broken Needle, print needle coil burn, print head and print the gap between the deviation roller and the print head cable disconnected. The print head failures are: print head Broken Needle, print needle coil burn, print head and print the gap between the deviation roller and the print head cable disconnected.
1. 1. Print head print head Broken Needle Broken Needle is the most common printer failure, this failure account for almost half of the total failures. Print head print head Broken Needle Broken Needle is the most common printer failure, this failure account for almost half of the total failures. As the printer printing principle is hit by a multi-root printing ribbon pin dot matrix formed by the composition of a character / characters . As the printer's printing principle is hit by a multi-root printing ribbon pin dot matrix formed by the composition of a character / characters. If the print head in a Broken Needle, there will be printing characters / character defects less draw. If the print head has Broken Needle, there will be printing characters / character defects less draw. Here focuses on several models for needle method: Here focuses on several models for needle method:
(1) LQ-1600K / LQ-1900K Printer 1) Structural LQ-1600K and the LQ-1900K print head are arranged two-tier structure, needle, needle minutes long and short two kinds of specifications, each l 2 roots, long needle length of 36mm , the short needle length of 26mm. (1) LQ-1600K / LQ-1900K Printer 1) Structural LQ-1600K and the LQ-1900K print head are arranged two-tier structure, needle, needle minutes long and short two kinds of specifications, each l 2 roots, long needle length of 36mm, the short needle length of 26mm.
2) The arrangement of the print head sub-parity 24-pin dual-row, as shown in Figure 1. 2) The arrangement of the print head sub-parity 24-pin dual-row, as shown in Figure 1. In which a long needle is: 2,6,10,14,18,22,3,7,11, l 5, 19,23; short needles: 4,8,12, l 6,20,24, l, 5,9, l 3 Including the long needles: 2,6,10,14,18,22,3,7, 11, l 5,19,23; short needles: 4,8,12, l 6,20,24, l, 5, 9, l 3

3) The method first used for needle print head failure test program to check out a few numbers which needle fails, and then remove the ribbon box, opened a print head locking clip, pinch from both sides of the print head heat sink (ie the shell), brought up the print head can be seen attached two flexible flat cable, unplug cable can come up with the print head. 3) The method first used for needle print head failure test program to check out a few numbers which needle fails, and then remove the ribbon box, opened a print head locking clip, pinch from both sides of the print head heat sink (ie the shell), brought up the print head can be seen attached two flexible flat cable, unplug cable can come up with the print head. scrub with an alcohol cotton ball in front of the print head ink, dirt and check whether there are missing needle case. Cleaned with alcohol cotton ball in front of the print head ink, dirt and check whether there are missing needle case.
If Broken Needle, you need to change needles. If Broken Needle, you need to change needles. For needle to prepare a good tool, mainly tweezers, razor blades, Diamond-down ruler, Whetstone and print head Private clamp (a specialized print head heat sink for the removal of the tool) . Needle exchange to be ready when the tool, mainly tweezers, razor blades, Diamond-down ruler, Whetstone and print head Private clamp (a specialized print head heat sink for the removal of the tool). Heatsink with special fixtures withdraw, you can that several levels of structure. Heat sink with special fixture withdraw, you can see several layers of the structure.
Be the head down, release the positioning claws, remove the top cover after the copper, we can see that the distribution of 12 circular needle length, from the test results to distinguish Broken Needle is a long needle or a short needle, and then break out the number of long needle position, clamp the out put aside; If there is a short needle Broken Needle, will continue to remove all the long needle, and then along the middle of the blade below the yellow copper gaskets separate, exposing 12 short needles, out the same way Broken Needle. Be the head down, release the positioning claws, remove the top cover after the copper, we can see that the distribution of 12 circular needle length, from the test results to distinguish Broken Needle is a long needle or a short needle, and then break out the number of long needle position, clamp the out put aside; If there is a short needle Broken Needle, will continue to remove all the long needle, and then along the middle of the blade below the yellow copper gaskets separate, exposing 12 short needles, out the same way Broken Needle. and then removed a good pin (needle to take a long or short, depending upon the exchange Broken Needle acupuncture may be), with the steel ruler accurate measurement of the length of the needles, new needle size according to the amount of , with a good grinding Cuo James Bond (note the pin's head burr refining its stand), the re-location from the original insertion, Gently press with your fingers for good after the 12-pin tail, so that stuck the needle from the front, this time should be see the No. 1 pin and 24-bit pin-pin exposed, and the columns should be spacing between the needle and needle a hole, if inserted the wrong location, you must re-adjust. Then remove a good needle (needle to take a long or short, depending upon the exchange Broken Needle acupuncture may be), with the steel ruler accurate measurement of the length of the needle, needle according to the amount of the new size, with a good grinding magic Cuo (Note the needle's head burr refining its stand), the re-location from the original insertion, Gently press with your fingers for good after the 12-pin tail, so that stuck the needle from the front, this time, should see the No. 1 pin and 24-pin bit needle exposed, and each column should be spacing between the needle and needle a hole, if inserted the wrong location, you must re-adjust. At the same time, when the fingers after the opening of the needle needle can be up immediately to ensure the smooth flow of the needle out of needles. At the same time, when the fingers can be opening up immediately after the needle needle, to ensure smooth flow of the needle out of needles.
Only a short needle to confirm all in place, before they can install the long needle. Only a short needle to confirm all in place, before they can install the long needle. In the combined block of copper but also so that each pin before the pin into the slot, the long needle positioning holes together on the floor, check there is no gap can be installed Long medicine. In the combined block of copper but also so that each pin before the pin into the slot, the long needle positioning holes together on the floor, check the gap can be installed without a long needle. A long needle inserted just shining on the corresponding hole location continue, stuck a long needle from the tail to head, to go through with a few groove-oriented, the most on top of the slot is very easy to wear forever. A long needle inserted just shining down hole location corresponds to a long needle stuck from the rear to the head, to go through with a few groove-oriented, the most on top of the slot is very easy to wear forever. The second hole a little difficult to some, as long as the pass through to go under the needle will be able to homeopathy and it is easy to reach location. The second hole a little difficult to some, as long as the pass through to go under the needle will be able to homeopathy and it is easy to reach location. Armature thumb suppressed, needles should be exposed 1mm, said the needle was replaced to好的. Suppressed thumb armature, needles should be exposed 1mm, that replaced the needle is good to go. All plugged, the pressure on the copper after the cover, should be no gap, a good three-legged loaded positioning claws, put on heat sink, you can print-on测试. After all plugged, the pressure on the copper after the cover, should be no gap, a good three-legged loaded positioning claws, put on heat sink, you can print a test on the machine.
Test before you do not install ribbons, self-test print a single page of paper, to prevent a new needle scratch ribbon. Test before you do not install ribbons, self-test print a single page of paper, to prevent a new needle scratch ribbon. Then testing procedures for testing, only the results of normal, can be used. Re-use test program for testing, only the results of normal, can be used.
(2) AR-3240 printer AR-3240 print head are storage-type print head, and other printer's print head is different disassembly should be special attention. (2) AR-3240 printer AR-3240 print head are storage-type print head, and other printer's print head is different disassembly should be special attention.
AR-3240 print head mainly by the permanent magnet back cover, print pin base, front cover, printing needle guide plate and guide plate frame. AR-3240 print head mainly by the permanent magnet back cover, print pin base, front cover, printing needle guide plate and guide plate frame. 24 Gen printing pin 24 screws from the needle base in print, this is it and other the print head in different places. 24 Print-pin screw fixation by the 24-pin base in print, this is it and other print head in different places.


The print head front cover diagram (Figure 2) as shown. The print head front cover diagram (Figure 2) as shown. The black guide plate frame with two screws on the front cover, the print head outside on the front cover there are 22 screws, of which two screws are fixed print head of the main , that the location of two screw-driven plate frame with a fixed screw in a line, not to demolish the print head when the fixed guide plate screws and remove the two screws, if this four screws removed, the print head The 24-pin will all scattered, to the maintenance of trouble. The black guide plate frame with two screws on the front cover, the print head outside on the front cover there are 22 screws, of which two screws are fixed print head main body, the two screws in place with the guide plate frame Fixed screw in a line, not to demolish the print head when the fixed guide plate screws and remove the two screws, if this four screws removed, the print head 24 needle will all scattered, to the maintenance of trouble. This is the location of four screws shown in Figure 2, shown in solid circle. This is the location of four screws in the solid circle shown in Figure 2.
Correctly demolition process should be to remove the four screws will be outside the 20 screws removed, using the word screwdriver into the rear cover the gap between the seat and the main body, the force forced open the rear cover, so that the print head back seat and the main separation, this time can be seen from the 24 print-pin 24-pin screw fixed to the base print. Correctly demolition process should be to remove the four screws will be outside the 20 screws removed, using the word screwdriver into the rear cover the gap between the seat and the main body, the force forced open the rear cover, so that the print head back seat and the main separation, this time can be seen from the 24 print-pin 24-pin screw fixed to the base print.
Replacement print pin, it can first print to the base of the 2-pin positioning pin for the axis, is divided into approximately two parts, each part 12-pin, corresponding to the print head before the orientation to see the right panel, left two-pin to identify the need to replace print pin position, with the word screwdriver screw fixation of the needle under the screws, then remove the needle clamp. Replacement print pin, it can first print to the base of the 2-pin positioning pin for the axis, is divided into approximately two parts, each part 12-pin, corresponding to the print head before the orientation to see the right panel, left two-pin to identify the need to replace print pin position, with the word screwdriver screw fixation of the needle under the screws, then remove the needle clamp. will be a cut into a slightly longer than the standard length of a new needle, gently insert the original pin hole location. Will be a cut into a slightly longer than the standard length of a new needle, gently insert the original pinhole location.
Note If you have multiple stars Broken Needle, should be replaced by the root, do not first remove all the Broken Needle, so when you install a new pin hole Misdraw-oriented. Note If you have multiple stars Broken Needle, should be replaced by the root, do not first remove all the Broken Needle, so when you install a new pin hole Misdraw-oriented. Will be fixed at the new printing pin screw Shang Hao, cover printing Head back cover, careful not to seat the rear cover downloading counter. The new printer will be fixed needle screw Shang Hao, stamped with the print head back cover, careful not to seat the rear cover downloading counter. Wring a good front cover on the 20 fixed-screw, flat oil stone mill to replace the new needles. Good twist on the front cover 20 fixed-screw, flat oil stone mill to replace the new needle. This print needle exchange is completed. This print needle exchange is completed. Will be installed in the printer on the print head first, do not install ribbons, self-test print a single page of paper (in case the new scratch-pin ribbon) after. The print head mounted on the printer first, do not install ribbons, self-test print a single page of paper (in case the new scratch-pin ribbon) after. Then test program to test the results can be used normally. Re-use test program to test the results can be used normally.
2. 2. Print-pin print head out of the coil failures due to needle movement is dependent on the print pin drive coil power, the pull-in, or smack the release of the armature and the print pin. Print-pin coil failure due to the print head out the needle movement is dependent on the print pin drive coil power, the pull-in, or smack the release of the armature and the print pin. If the pin driving coil blown (open) , the corresponding pin will not print out the needle, resulting in fewer print defects classified; if the pin driving coil short-circuit (breakdown), there may cause the printer does not work. If the needle drive coil blown (open), the corresponding pin will not print out the needle, resulting in fewer print defects classified; if the pin driving coil short-circuit (breakdown), there may cause the printer does not work.
Print pin driving coil normal or not, the general use of the R × 1 block multimeter to measure the DC resistance identification methods. Print pin driving coil normal or not, the general use of the R × 1 block multimeter to measure the DC resistance identification methods. Some common printer's print head acupuncture drive coil DC resistance Table 1. Several common printer's print head acupuncture drive coil DC resistance Table 1. Below to LQ1600K the printer as an example for everyone introduce to replace the coil method. LQ1600K printers below to give us a presentation, for example to replace the coil method.


Coil should be replaced according to a fixed coil corresponding relationship (Figure 4) to find the bad coil, the coil with a knife to cut off the shelves bonded gelatin, and then remove the clamp and the electric iron coils. Coil should be replaced according to a fixed coil corresponding relationship (Figure 4) to find the bad coil, the coil with a knife to cut off the shelves bonded gelatin, and then remove the clamp and the electric iron coils. Remove the bad coil should pay attention not to the adjacent coil break something good and do not further damage a bad coil, bad coil because it may re-use. Removing a bad coil should pay attention not to the adjacent coil break something good and do not further damage a bad coil, bad coil because it may re-use.
Bad coil can be scrapped in a good print head replacement coils can also be wound itself. Bad coil can be scrapped in a good print head replacement coils can also be wound itself. Way is to remove the bad coil, if the coil off of the place is outside the joint area, which could be broken removed, the hot off the line a little patent leather, and then welded to the pin on the coil can be; otherwise would be a bad coil removed to a diameter of 0.06mm of the enameled wire, a welding in the skeleton of a pin on the coil, a turn to suffer a turn evenly around the skeleton will be around the full skeleton with a multimeter to measure the resistance of 29 ohms Department, the cut line after the welding in the skeleton of this end of a thread the other pins. Approach is to remove the bad coil, if the coil off of the place is outside the joint area, which could be broken removed, the hot off the line a little patent leather, and then welded to the pin on the coil can be; otherwise would be a bad coil removed to a diameter of 0.06mm of the enameled wire, a welding in the skeleton of a pin on the coil, a turn to suffer a turn evenly around the backbone, the skeleton around the full, with the multimeter to measure the resistance of 29 ohms Department, the cut line after the welding in the skeleton of this end of a thread the other pins. to fix the coil fitted back, loaded coils should pay attention to the coil and the steel pins do not collide. To fix the coil fitted back, loaded coils should pay attention to the coil and the steel pins do not collide. At last, gelatin and fixed coils. At last, gelatin and fixed coils.
After the print head repaired, according to the inverse of the order will be demolished to restore the print head. After the print head repaired, according to the inverse of the order will be demolished to restore the print head.
Print needle and coil repairs finished, the first not to rush to boot, if the print head has the coil is damaged, you need to check the printer driver inside the transistor V1-V24 is normal, 24-driven peripheral circuit transistor exactly the same, so under normal circumstances the measured parameters of each transistor of the static line is very close. Print needle and coil repairs finished, the first not to rush to boot, if the print head has the coil is damaged, you need to check the printer driver inside the transistor V1-V24 is normal, 24-driven peripheral circuit transistor exactly the same , so under normal circumstances the measured parameters of each transistor of the static line is very close. In the case of power failure the printer with a multimeter measure will drive tube be, ce between the resistance, will be able to determine whether there is problem-driven control . In the case of power failure the printer with a multimeter measure will drive tube be, ce between the resistance, will be able to determine whether there is problem-driven management. If you drive the tube is broken, and will continue to burn drive coil. If the driver tube is broken, and will continue to burn drive coil.

Printer models print head coil resistance (ohms) Printer models print head coil resistance (Ohms)
LQ-1600K 29 10 2 AR-3200 territories of about 18 LQ-1600K 29 10 2 AR-3200 territories of about 18
LQ-1600K II is about 42 AR-4400 is about 3.5 LQ-1600K II is about 42 AR-4400 is about 3.5
LQ-180OK about 42 DPK-8100 about 30 LQ-180OK about 42 DPK-8100 about 30
LQ-1900K is about 15 DPK-8300 is about 14 LQ-1900K is about 15 DPK-8300, about 14
DLQ-2000K is about 16 DPK-3600E is about 15 DLQ-2000K is about 16 DPK-3600E 15
LQ-800/1000 47 territories 10% M-2024 26 LQ-800/1000 47 soil 10% M-2024 26
LQ-2500 24 Land 10% M-1724 is about 32 LQ-2500 24 Land 10% M-1724 about 32
Fx-80/100 22 M-2724 is about 32 Fx-80/100 22 M-2724 about 32
Fx-80 10 / 100 10 22 M-1570 9 Fx-80 10 / 100 10 22 M-1570 9
Rx-80 22 ZH-1600K is about 35 Rx-80 22 ZH-1600K is about 35
Lx-800 19.2 Land 10% NEC-3300 is about 44 Lx-800 19.2 Land 10% NEC-3300 is about 44
CR-3200 is about 26 NEC-6300 is about 15 CR-3200 is about 26 NEC-6300 is about 15
CR-3240 is about 10 OK1-5330 is about l7.5 CR-3240 is about 10 OK1-5330 is about l7.5
CR-3240II about 12 Kx-1211 about 24 CR-3240II about 12 Kx-1211 about 24
AR-3240 6-8 Kx-2828 is about l 6 AR-3240 6-8 Kx-2828 is about l 6
AR-3200 of about 18 AR-3200 of about 18

3. 3. Print head and print roll gap deviate from the printer, after long-term use because of hitting, vibration causes; or in the printer maintenance and repair (the printer apart bodies were the words car repair or cleaning), print head and print roller gap between the will change. The print head and print roll gap deviate from the printer, after long-term use because of hitting, vibration causes; or in the printer maintenance and repair (the printer apart bodies were the words car repair or cleaning), print head and print roller gap will occur between the change. If the gap is too small, the impact of printing needle is too large, could easily lead to print head Broken Needle or print too strong and even into the Mexican corporation (commonly known as "brown belt"); if the gap is too large, print out a long needle from the guide plate is also likely to cause Broken Needle. If the gap is too small, the impact of printing needle is too large, could easily lead to print head Broken Needle or print too strong and even into the Mexican corporation (commonly known as "brown belt"); if the gap is too large , printing needle guide plate protruding from the more long, are likely to cause Broken Needle. At the same time, the character you want to print / handwriting Chinese characters too light. At the same time, the character you want to print / handwriting Chinese characters too light. Therefore, to regularly check and adjust (especially in the repaired car agency in the word) print head and the gap between the printing roller. Therefore, to regularly check and adjust (especially in the repaired car agency in the word) print head and the gap between the printing roller.
Print head and print roll gap is an important parameter of the printer. Print head and print roll gap is an important parameter of the printer. Any deviations from the effects of light are printing results, in serious cases can cause Broken Needle, the user should pay attention to regularly examine and adjust. Any deviations from the effects of light are printing results, in serious cases can cause Broken Needle, the user should pay attention to regularly examine and adjust.
(1) A generic "gap" adjustment method 1) will be installed in the print head ribbon box removed. (1) A generic "gap" adjustment method 1) will be installed in the print head ribbon box removed.
2) Open the printer chassis and remove the word frame fixed with screws to the rack at one end of the print head lift rod adjustment. 2) Open the printer chassis and remove the word frame fixed with screws to the rack at one end of the print head lift rod adjustment.
3) Release the print head adjustment under a fixed nut (adjustable rod with nuts installed in the car with the word eccentric bolt on the slider, and some printers are using a screw), the print head adjustment rod allocated to the second file ( is generally tissue location), in the print head and printing rollers inserted between the four-layer printed paper (about 0.23-0.27mm thick), turning the word car slider (Note that the pole has always been to keep adjusted in the second file), so that the inserted four layers of paper can be twitch a little, but a slight friction. 3) Release the print head adjustment under a fixed nut (adjustable rod with nuts installed in the car with the word eccentric bolt on the slider, and some printers are using a screw), the print head adjustment rod allocated to the second file (is generally tissue location), in the print head and printing rollers inserted between the four-layer printed paper (about 0.23-0.27mm thick), turning the word car slider (Note that the pole has always been to keep adjusted in the second file) , so that the inserted four layers of paper can be twitch a little, but a slight friction. At this time, respectively, the print roll left, middle, and right location adjustment, to be even later, and then adjust the fixed nut on the rod tight can be. At this time, respectively, the print roll left, middle, and right location adjustment, to be even later, and then adjust the fixed nut on the rod can be tight.
(2) AR-3200 printer "gap" adjustment Method 1) measurement of the print head and printing roll gap. (2) AR-3200 printer "gap" adjustment Method 1) measurement of the print head and printing roll gap. First remove the printer cover; to the print head adjustment rod allocated to two files, remove the ribbon guide plate; in print head and print rollers inserted between a measurement of the thickness of the gap into account, in the left, middle, and right three points measured, if the gap is not a 0.35mm range of 0.28 should be adjusted. First remove the printer cover; to the print head adjustment rod allocated to two files, remove the ribbon guide plate; in the print head and print rollers inserted between a measurement of the thickness of the gap into account, in the left, middle, and right three-point on the measurement, if the gap is not a 0.35mm range of 0.28 should be adjusted.
2) print head and print roll gap adjustment. 2) print head and print roll gap adjustment. Remove the printing machine parts, screw pine nut; with a small rod inserted into the printer right-hand side of the hole with a diameter of 2.5mm to turn in the word car axles to adjust the print head in the left and printing roll gap, the inserted straw allocated to the printing roller to reduce the gap, contrary to increase the gap; of fine tuning left to complete the fixed location of a small plunger and rotating the word car to adjust the right end of the sleeve ring gap; adjustment After the end of the print head adjustment rod is set to the first two stalls, and tighten the nut (when the nut tightened to ensure that when the word car axle does not move); the final film loaded ribbon guide. Remove the printing machine parts, screw pine nut; with a small rod inserted into the printer right-hand side of the hole with a diameter of 2.5mm to turn in the word car axles to adjust the print head in the left and printing roll gap to plug stalk dial To reduce the gap to the printing roller and vice versa for the increasing gap; of fine tuning left to complete the fixed location of a small plunger and rotating the word car to adjust the right end of the sleeve ring gap; adjusted after the end of the print head adjustment rod set to No. 2 file, and tighten the nut (when the nut tightened to ensure that the word vehicle axle when the non-mobile); and finally loaded film guide on the ribbon.
(3) AR-3240 printer "gap" adjustment method first print head adjustment rod allocated to a file location, turn left, in the regulation of organic shelf space screws on the left, middle side, the right side of 3:00, respectively detection, to meet the specified value. (3) AR-3240 printer "gap" adjustment method first print head adjustment rod allocated to a file location, turn left, in the regulation of organic shelf space screws on the left, middle side, the right side of 3:00, respectively detection, to meet the specified value.
(4) LQ-1600K, LQ-2500, and LQ-800/1000 printer "gap" adjustment method first print head unloaded Qudiao ribbon lead tablet, and then install the print head back to the word car, the knife-edge with a screwdriver inserted word of the buried car guide shaft hole, left, right rotation to adjust the print head and print roll gap to meet the specified value. (4) LQ-1600K, LQ-2500, and LQ-800/1000 printer "gap" adjustment method first print head unloaded Qudiao ribbon lead tablet, and then install the print head back to the word car, the knife-edge with a screwdriver inserted word of the buried car guide shaft hole, left, right rotation to adjust the print head and print roll gap to meet the specified value.
4. 4. Print head print head cable cable disconnection faults are generally flexible plastic ribbon cables. The print head cable disconnection fault print head cable is generally flexible plastic ribbon cables. The cable in the course of prone to creases, one is inserted in the print head outlet end of the cable, with the increased frequency of the print head, plug, occurs in the crease at fault (when you need to repair the print head removed); The cable in the course of prone to creases, one is inserted in the print head outlet end of the cable, with the increased frequency of the print head , plug in the crease at fracture occurs (repair of the print head when you need to split below);
Another time, along with the increase in printing, print cable in the middle part of the word car is very easy to move the process of being worn or have creases. Another time, along with the increase in printing, print cable in the middle part of the word car is very easy to move the process of being worn or have creases. Ruoqiang cable insulation worn away and will print pin drive signal with the printer frame short circuit, causing the printer control circuit failure; if the printer cable at fault then the creases will print pin drive signal open circuit, causing the corresponding print-pin no-pin printing, resulting in printing characters / character defects less draw. Ruoqiang cable insulation worn away and will print pin drive signals with the printer frame short circuit, leading to the printer control circuit failure; if the printer cable at fault then the creases will print pin drive signal open circuit, causing the corresponding print-pin no pin printing, resulting in printing characters / character defects less draw.
Both the cable fault can check with a multimeter. Both the cable fault can check with a multimeter. Multimeter method is to separate the two tables T corresponding to ride the cable at both ends of the line, measure the resistance is zero, if necessary, at the crease Department for bending test were observed on the multimeter The resistance of any change. Method is to pen multimeter two tables respectively corresponding to ride the cable at both ends of the line, measure the resistance is zero, if necessary, at the crease Department for bending test to observe whether the change in resistance on the multimeter. In the diagnosis are After the break, with the same models can replace the print head cable. After a break in the diagnosis, using the same models can replace the print head cable. Make sure the cable breaks in approach can not be welded, as this will occur in the course of the signal short-circuit treatment, in severe cases will result in the signal-to-ground short-circuit, causing the printer control circuit have problems. Make sure the cable breaks in approach can not be welded, as this will occur in the course of the signal short-circuit treatment, in severe cases will result in the signal-to-ground short-circuit, causing the printer control circuit have problems .
Creases appear in the print head cable, but the end of break, they can take preventive measures to avoid the signal line break. Creases appear in the print head cable, but the end of break, they can take preventive measures to avoid the signal line break. The methods were: first, cut a length of about 1.5cm of the adhesive tape will be followed by a long o, 5cm , width and width of the same tissue adhesive film paste it into the middle of tape in order to avoid the central and cable tape stick together. The methods were: first, cut a length of about 1.5cm of the adhesive tape will be followed by a long o, 5cm, width and width of the same tissue adhesive film paste it into the middle of tape to avoid tape stick together in central and Cable. and then enable cable bend outwards slightly crease Department, so that piece of paper right now crease, will tape affixed to the cable. And then enable cable bend outwards slightly crease Department, so that piece of paper right now crease, will tape affixed to the cable.
In this way, the tension generated tape piece will always force the cable at a slight outward bend at the crease, so that cable out to produce a crease at the right tension, so that you can reliably avoid the print head in the printing process to the right movement result cable crease at fold volume generated to prevent the print head cable signal line break. In this way, the tension generated tape piece will always force the cable at a slight outward bend at the crease, so that cable out to produce a crease at the right tension, so that you can reliably avoid the print head in the printing process to the right movement result cable crease at fold volume generated to prevent the print head cable signal line break.

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