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6. Printing quality troubleshooting

Abnormality

Troubleshooting

Horizontal banding

Check horizontal alignment
Check color calibration

Unclear(blurred) printing

Check if the head height is right for the printing job, normally 2mm
would be optimum.

Clean the nozzles surface

Do the calibration again

Color deviation

Adjust the total ink limit by 10%-30%.

The printed image

appears dark

Check color calibration

Adjust the brightness by 3-6 in Photoshop

Select all options in the vector image.
This method only effects in vector image printing.

Vertical blank or banding

Check vertical calibration and alignment
Change the screen type

Blurred printed lines

Do the calibration again

Содержание HT2500UV

Страница 1: ...1 HT2500UV Handtop Large Format UV Printer Operation Manual Original Instructions...

Страница 2: ...7 Printer Installation 21 1 Loading and transporting 21 2 Working environment 22 3 Computer configuration 23 4 Installation instructions 23 4 1 Check and acceptance 23 4 2 Installation of the computer...

Страница 3: ...k refill 52 5 3 Replacement of ink filter 52 5 4 Replacement of air pump 53 5 5 Replacement of ink air tubes 54 Troubleshooting 55 1 Buzz indications and troubleshooting 55 2 Pressure system problems...

Страница 4: ...ference This manual has been prepared for end users easy understanding and using of this printer safely and efficiently Please read all the contents carefully in detail before operating the printer Al...

Страница 5: ...by the ignorance of misunderstanding of the instruction may probably lead to equipment damage or personal injury This symbol indicates the possible risk of the given operation This symbol indicates th...

Страница 6: ...n the state of power on Electricity Please supply the printer with rated voltage and frequency improper power input may cause functional abnormality or damage to the printer Avoid any liquid spilled o...

Страница 7: ...C K Odor Acrylic odor pH N AV Boiling Point 120 Decomposition Temperature N AV Flash Point 120 Test Method Closed Cup Auto ignition Temperature N AV Flammable Limits N AV Vapor Pressure 1mmHg 20 Vapor...

Страница 8: ...nd wallpaper etc can also be printed on 3 Printer Features With the self R D ability that enables constant advancement Professional assembly crafts guarantee the perfect qualities Adopt excellent qual...

Страница 9: ...nthead array 2 4PCS Maximum resolution 1200 1200 DPI Printing speed 4 Printheads Production 4 Pass 6 Pass 8 Pass m h 52 37 27 Print size Up to 2 5m of printing width Media type Rigid and flexible prin...

Страница 10: ...onductors for the sum of the 6th through to the 30th harmonic is permissible Voltage unbalance Neither the voltage of the negative sequence component nor the voltage of the zero sequence component in...

Страница 11: ...1 Front view of the printer 1 Light Curtain Left 2 Emergency Stop Button Left 3 Carriage Assembly 4 Media Take up Roller 5 Electric Control Panel 6 Emergency Stop Button Right 7 Light Curtain Right 8...

Страница 12: ...12 5 2 Rear view of the printer 1 Main Ink Tank Tray 2 Main Power Switch 3 Electric Box 4 Media Take up Speed Switch 5 Media Take up Direction Switch 6 Media Feeding Roller 7 Suction Control Panel...

Страница 13: ...13 5 3 Carriage Assembly 1 Anti crash bar Left 2 UV lamp housing Left 3 UV lamb housing Right 4 Anti crash bar Right...

Страница 14: ...ctric Control Panel 1 Media Take up Direction Control Switch 2 Media Take up Speed Control Switch 3 Power Start Button 4 UV lamp Power Button Low Power 5 UV lamp Power Button High Power 6 Suction Vacu...

Страница 15: ...15 5 5 Suction Control Panel 1 Suction Zone 4 Valve 2 Suction Zone 3 Valve 3 Suction Zone 2 Valve 4 Suction Zone 1 Valve 5 Print Zone Valve 6 Global Suction Volume Valve...

Страница 16: ...lay 2 6 Solid state relay 3 7 External device board 8 Media take up transformer 9 Media feeding transformer 10 Carriage height motor driver 11 220V to 24V transformer 12 15V Switch power supply 13 24V...

Страница 17: ...17 5 6 Labels and logo on printer 1 11 2...

Страница 18: ...18 3 4 7 5 10 6 9 8...

Страница 19: ...19...

Страница 20: ...20 1 2 3 4...

Страница 21: ...ew to reduce the risks unexpected The lift of the wooden package should be executed to the front side with an identification mark of FRONT The equipment must be hoisted with the package box by the cra...

Страница 22: ...ea should be set for both front and rear side Individual clean shadowy and dust free workplace with associated ventilation Altitude Below 1000 meter Constant humidity 30 70 RH non condensing Ambient T...

Страница 23: ...as soon as the printer is placed properly Disassemble all the fixtures of the printer Verify that all the accessories listed are included and sign the bill See Appendix 4 Tools and properties for all...

Страница 24: ...justment Keep the printer s castors laid on the ground with the supports not enabled Use the level to measure the middle of the four edges of the platen and find out the highest point of the platen Ta...

Страница 25: ...be properly ground wired Diagrams below show the wiring method for various power input 400VAC 50Hz 4 6 Software and driver installation Double click the corresponding installation package to start Sel...

Страница 26: ...26 Select OS version x64 for 64 bit windows Select the communication port...

Страница 27: ...27 Select the printer model Select DPI...

Страница 28: ...28 Select rows...

Страница 29: ...29 Select UV lamp type Browse a path for TOPJet It s recommended to not choose system disk as installation folder For example E Thus the package will generate a folder named E TOPJet automatically...

Страница 30: ...30 Select additional task Confirm and install Wait for installation...

Страница 31: ...31 Install the initiations Click finish to continue...

Страница 32: ...32 Install the driver for PCIE card Accept...

Страница 33: ...33 Continue Finish Normally we do not have to reboot computer after installation...

Страница 34: ...imum and partial UV lamp power output activated properly X and Y directional moving properly Head height locating function running properly Print test OK 4 8 Printhead installation This step must be o...

Страница 35: ...void to be dipped with any liquid and should never be bent When dismantling the printhead Wear rubber gloves goggle to protect yourself from the ink Take all the assistant parts out and connect the co...

Страница 36: ...36 Finish the connecting between sub tank to heads and fix the printhead...

Страница 37: ...erly and then fill in each main tank with the color of ink accordingly The ink pumping function will be interrupted if the Sub Tank is still not filled to its standard ink amount every 15s and the buz...

Страница 38: ...nd continue the exhausting operation when the alert ceases Execute the exhaust on each printhead as the operations described above When finishes exhaust operation adjust the pressure to a value of 3 5...

Страница 39: ...cking and run printing Use the magnifier to observe the upper and lower parts of the small iron printed and sees whether the two parts merge into a complete one Adjust the Vertical Adjusting Screw of...

Страница 40: ...lignment Select the horizontal checking in the drop down list of the alignment checking and run printing The printing result is shown as below Use the magnifier to observe the left and right parts of...

Страница 41: ...ds offset means color calibration of left directional print Right dir heads offset means color calibration of right directional print Select the Left dir Heads Offset in the drop down list of calibrat...

Страница 42: ...he carriage speed of 1 0x Use the magnifier to observe the best alignment of the offset calibration print and take it as a variable to adjust the original value Modify the value with a variable in the...

Страница 43: ...n the drop down list of calibration and alignment and get it output Use the magnifier to observe and find a number indicates the best overlapping of the tiny lines Modify the value with a variable in...

Страница 44: ...parameter calculating Choose the most close one 4 11 6 Base Position Calibration Select the print base position in the drop down list of calibration and alignment and get it output Measure the distanc...

Страница 45: ...45 Reset the value of the zero position in the layout option...

Страница 46: ...ns of professional technicians For emergency stop press the any of the Emergency stop buttons 1 1 Printer start up operation Connect the power cable plugs to the wall socket These four power circuit b...

Страница 47: ...r and turn on the corresponding suction sector of the platform where the media laid Activate the UV lamp and start the normal printing job See for detail information If ever encountered with an alert...

Страница 48: ...ance Clean the towline and its internal cables Clean the fans electronic parts Clean the waste ink collecting tray Replace the filter fiber Do the calibration and alignment Monthly routine maintenance...

Страница 49: ...o eject the lubricating grease into the slide block via the lubricating nipple assembly on the block Non clean lithium grease must avoid to be used for lubrication job or it will result in slide way a...

Страница 50: ...of the printhead tray Execute anti dust and anti electrostatic operation 4 2 Printhead preservation If ever encountered with 1 A power failure yet the recovery time remained unknown 2 Vacation longer...

Страница 51: ...sen the screws of the fixture Remove the broken ink pump and remove the tubes connected to the pump Illustrated as below Cut the deformed heads of the tubes and reconnect them to the new pump Carefull...

Страница 52: ...bottle into the main tank Press the reset key of the external device board The ink tube must be inserted into the bottom of the main tank 5 3 Replacement of ink filter The ink filter requires seasona...

Страница 53: ...ere might be alert caused by operation failure Turn off the valves to avoid ink leaking from the nozzles Disconnect the plug of the main air pump Loosen the screws of the fixture and remove the main a...

Страница 54: ...air pumps Disassemble the cover of the towline Replace the used tubes with new ones Mark the tubes accordingly to avoid incorrect connection Connect and fix the tube properly Reassemble the cover of t...

Страница 55: ...e backup air pumps activated Troubleshooting When hearing the single buzz alert Click the Reset in the ink line options If this does not work check as following 1 Check if the main air pump is normal...

Страница 56: ...r and b Click Reset in the software c Check if the ink comes out of the tube d Replace the pump if not 4 Check if there is blockage of the capsule filter a Disconnect the upper joint of the capsule fi...

Страница 57: ...lushing 5 Replace the contaminated tubes Be careful with the blade using when disconnecting the tubes so as not to damage the nipple of the tank Or this might lead to air leakage which usually causes...

Страница 58: ...Check in the software if the positive pressure can go up high enough when priming 3 Printhead strike 3 1 How to avoid head strike The automatic head height adjustment must be run whenever changes mate...

Страница 59: ...tected when placed near the datum point you should put the media on the location for head height founder first And move it to the printing position when head height adjustment accomplished Never try t...

Страница 60: ...ronment maintain below 40 Keep the servo driver away from any heat resource 6 EH Encoder overheat Keep the environment maintain below 40 Remove any item baffles the heat dissipating of the servo drive...

Страница 61: ...ti virus operation periodically 4 3 Printing error Description With a message reads Device is busy please check the media location plate raster reader and motor driver try again Troubleshooting Anti c...

Страница 62: ...e optimum Clean the nozzles surface Do the calibration again Color deviation Adjust the total ink limit by 10 30 The printed image appears dark Check color calibration Adjust the brightness by 3 6 in...

Страница 63: ...tray daily 6 Cleaning the towline and check if there is any leakage of tubes daily 7 Execute calibration and alignment weekly 8 Clean the waste ink collection weekly 9 Replace the filtration fiber wee...

Страница 64: ...64 2 Certifications...

Страница 65: ...unity Longcheng street Longgang district Shenzhen China Tel 86 755 29781665 29375551 Fax 86 755 29781665 E mail info handtoptech com Website www handtoptech com Factory Address Ciyu Factory the third...

Страница 66: ...66 4 Rating plate...

Страница 67: ...on and future maintenance 5 Phillips screwdriver Flat Screw drivers Loosen or fix screws for installation and future maintenance 6 Flush Cleaning the printhead when clogging 7 Lint free tissue Wiping...

Страница 68: ...68 ii CMYKLcLmWW...

Страница 69: ...69 iii CMYKVW iv CMYkWW...

Страница 70: ...70 v CMYKVVWW vi CMYKLcLm...

Страница 71: ...71...

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