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1. DNP Photo Imaging America Corp M4 Q4 Printer Basics EE E EeEESEJERETZTTTMEKMRERSE E ZTZZSEEEEEOEEE CBS ESSE sa BEFORE YOU BEGIN IMPORTANT SAFETY INSTRUCTIONS Safety is paramount These safety instructions are to protect you your customer and your investment in the DNP Photo Imaging America Corp product line and for the overall public The following bullet points apply to the safety instructions in this manual gm Read all of these instructions before setting up installing and operating your system g m Follow all warnings safety precautions and notices for all procedures in this manual g m When in doubt stop what you are doing and reassess the safety of the situation or procedure Never continue with a step or procedure when there is the slightest doubt regarding safety g m Save these instructions for future reference GENERAL SAFETY PRECAUTIONS m m Never install or setup the system near water um Never place the system on an unstable platform um Never place the system near a heat source such as a heater or furnace n m Never perform any of these steps while wearing jewelry rings loose necklaces bracelets etc neckties or long sleeve shirts These items are conductors of electricity or may get caught in the unit and cause injury um Never insert any foreign object into the system unit without powering the system OFF first g m Never block ventilation ports allow plenty of room around the system for v2. DNP Photo Imaging America Corp 13 Cleaning the Print Head Basic Maintenance Figure 16 Unthreading the Printer Paper Before proceeding wait a couple of minutes to allow the print head to cool off Using a 8000 cleaning sheet 3M Fuji Film etc wipe the print head surface five 5 times in the same direction for example left to right to remove any powder or residue adhering to the print head see Figure 17 Figure 17 Cleaning the Print Head 7 Turn the roller as you wipe the surface to clean the entire unit 8 Power ON the printer VS Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution See Important Safety Instructions on page iii Replace the printer paper See Installing the M4 Q4 Paper on page 2 10 Replace the supply and receive ribbon spools making sure to position them as noted in step 3 See Installing the M4 Q4 Ribbon on page 5 11 Remove the ribbon slack by turning the receive spool approximately five times Ba Note It is important that the ribbon be taut when it is installed A loose ribbon causes printer errors 14 DNP Photo Imaging America Corp Cleaning the Print Head Basic Maintenance 12 Close the printer cover You have now cleaned the print head DNP Photo Imaging America Corp 15 Repairing a Torn Ribbon Basic Maintenance Repairing a Torn Ribbon 1 Attach the supply side of the ribbon to the receive side using cle
3. Photo Imaging America Corp Installing the M4 04 Ribbon Basic Maintenance Installing the M4 04 Ribbon Attention Before installing the ribbon in the M4 Q4 printer make sure that the paper is properly installed See Installing the M4 Q4 Paper on page 2 1 Remove the new ribbon from the plastic bag 2 Insert the receive spool in the upper ribbon cradles with the geared end on the left see Figure 4 3 Insert the supply spool in the lower ribbon cradles with the geared spool on the left see Figure 4 Figure 4 Ribbon Cradles AN Attention The receive ribbon must be wound opposite of the supply ribbon spool creating an S shape in the ribbon see Figure 5 4 Wind the receive spool so that the ribbon feeds under the spool see Figure 5 5 Wind the supply spool so that the ribbon feeds over the spool and the ribbon is taut see Figure 5 DNP Photo Imaging America Corp 5 Installing the M4 04 Ribbon Basic Maintenance Figure 5 Ribbon Path B Note 3 When using your M4 Q4 printer empty the paper scrap bin on a regular basis to prevent paper jams The printer cycles through the new ribbon and paper for a few seconds When this process is complete approximately four sheets of blank paper eject from the printer You have now replaced the ribbon in the M4 Q4 printer Continue with Maintaining the Printers on page 25 6 DNP Photo Imaging America Corp Emptying the Paper Scrap Bin Ba
4. Power ON the printer Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution See General Safety Precautions on page iii 5 Replace the printer paper 6 Replace the supply and receive ribbon spools making sure to position them as noted in Installing the M4 Q4 Ribbon on page 5 beginning with step 2 7 Remove the ribbon slack by turning the receive spool approximately five times Ba Note It is important that the ribbon be taut when it is installed A loose ribbon causes printer errors 8 Close the printer cover You have now cleaned the Platen Roller 1 Available in the Field Maintenance Kit Contact your customer support representative at 1 877 388 1776 for more information 12 DNP Photo Imaging America Corp Cleaning the Print Head Basic Maintenance Cleaning the Print Head A Attention Do not use alcohol Benzene thinner or sand paper to clean the print head 1 Power OFF the M4 Q4 printer 2 Press the printer cover release button to open the printer cover see Figure 14 Printer Door Release Button Figure 14 Printer Cover Release Button 3 Remove the ribbon from the printer noting the placement of the receive and supply spools see Figure 15 RECEIVE SPOOL UPPER SUPPLY SPOOL LOWER Figure 15 Ribbon Spool Placement 4 Once the ribbon is removed gently pull the paper to unwind it from the paper path see Figure 16
5. Series and Q Series Printers 8 Printer M8C Q8 Printer M2 Printer Model D M2 Printer Model M Q4 Printer M4 Printer Figure 3 The M Series and Q Series Printer Lines A Attention Prior to moving the printer the ink ribbon and paper cassette should be removed from the printer Always have assistance when lifting moving the printer When reinstalling check that the ribbon and the paper are properly positioned before resuming printing If either is positioned incorrectly paper jams print position errors or other unexpected problems can occur Attention Do not open the printer cover when the printer is printing Doing so can cause damage to the thermal head The M4 and Q4 printers are very similar The instructions written for one work for the other Both the M4 and Q4 printers have multiple paper sizes available The most common paper size for both printers is 4x6 The M8C and Q8 printers are interchangeable Instructions written for one work for the other and so forth 20 DNP Photo Imaging America Corp M4 04 Printers M4 04 PRINTERS Use the following procedures with your M4 Q4 printer Installing the M4 04 Paper B Note Basic Maintenance It is a good idea to check daily that there is enough paper in the printer to meet anticipated demand Avoid touching the surface of the M4 Q4 paper Excessive fingerprints or smudges can lead to poor print quality 1 Removethe ribbon spools from the
6. error Not an error Not an error No Message Idle Printing 1 Paper End 40 g m Paper is finished g m Paper spool is not installed g m Paper is not positioned correctly g m Reinstall paper wm Harness is disconnected or damaged g m Faulty Paper End sensor g m Faulty Paper Empty sensor g m Faulty interim board g m Faulty drive board g m Faulty main board Requires a trained technician Contact technical support at 1 877 388 1776 a DNP Photo Imaging America Corp Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued No Message 2 Ribbon End Possible Cause na na na Ribbon is finished Ribbon is not installed Incorrect ribbon Basic Maintenance Solution ym Replace ribbon na na na nn nn nn nn nn nn Harness is disconnected or damaged Faulty ribbon sensor DIP switch setting error on RFID module Faulty RFID board Faulty ribbon rewind motor Faulty tension HP sensor Faulty interim board Faulty drive board Faulty main board Requires a trained technician Contact technical support at 1 877 388 1776 TA dd 3 Head Cooling Down DNP Photo Imaging America Corp na Print head temperature too high to continue printing g m Warning Only Allow the print head to cool na na na Harness is disconnected or damage
7. m Harness is Requires a trained disconnected technician Contact technical or damaged support at 1 877 388 1776 m Faulty mistor a y sa g m Faulty main bd board 16 Illegal Media g m Temperature of ym Power OFF Allow Temperature media is too printer to cool for a high few minutes Restart the printer e m Check that the cooling fan airflow is not blocked g m Harness is Requires a trained disconnected technician Contact technical or damaged support at a 1 877 388 1776 m Faulty mistor a y sa g m Faulty interim EN board g m Faulty drive board g m Faulty main board 48 DNP Photo Imaging America Corp Basic Maintenance Removing Paper Jams Basic Maintenance Removing Paper Jams 1 Power OFF the M4 Q4 printer 2 Press the printer cover release button to open the printer cover see Figure 19 Printer Door Release Button Figure 19 Printer Cover Release Button 3 Remove the ribbon from the printer noting the placement of the receive and supply spools see Figure 20 Receive Spool Upper Supply Spool Lower Figure 20 Ribbon Spool Placement 4 Once the ribbon is removed gently pull the paper to unwind it from the paper path see Figure 21 DNP Photo Imaging America Corp 19 Removing Paper Jams Basic Maintenance Figure 21 Unthreading the Printer Paper 5 Cutthe damaged end off the roll with a straight cut across the leading edge see Figure 22 FN Fi
8. printer 2 Remove the paper spool from the paper compartment 3 Pull the spool apart Properly discard of the used paper roll Paper Spool Packaging Foam Figure 1 Paper Spool 4 Place the new paper roll on one end of the paper spool B Note Hold the edges of the new paper roll to avoid getting fingerprints and smudges on the paper 5 Attach the other end of the paper spool 6 Turn the paper spool so that the leading edge of the paper goes over the top of the spool Hello DNP Photo Imaging America Corp Hello Basic Maintenance Paper Leading Edge Figure 2 Positioning the Leading Edge of the Paper 7 Remove the sticker from the paper roll Carefully place the spool in the paper cradle see Figure 3 8 Feed the paper over the beam and under the alignment guide Align the paper as indicated by the guide markings on the printer see Figure 3 Paper Beam Alignment Guide Rubber Roller Guide Plate raal Paper insert Figure 3 Threading the Paper in the M4 Q4 9 Slide the paper over the rubber roller and behind the guide plate see Figure 3 S Note When using your M4 Q4 printer empty the paper scrap bin on a regular basis to prevent paper jams 10 Continue feeding the paper until the printer beeps This indicates that the paper is in the correct position You have now replaced the paper in the M4 Q4 printer Continue with Installing the M4 Q4 Ribbon on page 5 DNP
9. act technical support at 1 877 388 1776 Adjust ribbon rewinding gear assembly Requires a trained technician Contact technical support at 1 877 388 1776 Stripe Adjust ribbon feed out gear assembly Requires a trained technician Contact technical support at 1 877 388 1776 Adjust head pressure Requires a trained technician Contact technical support at 1 877 388 1776 Adjust ribbon rewinding gear assembly Requires a trained technician Contact technical support at 1 877 388 1776 Registration Error DNP Photo Imaging America Corp Adjust head pressure Requires a trained technician Contact technical support at 1 877 388 1776 Clean platen roller See Cleaning the Platen Roller on page 12 Clean thermal print head See Cleaning the Print Head on page 13 Basic Maintenance E Troubleshooting M4 04 Print Quality Basic Maintenance Table 1 M4 Q4 Print Quality Continued Issue Solution Page Feed Deviation Clean platen roller See Cleaning the Platen Roller on page 12 Clean thermal print head See Cleaning the Print Head on page 13 Cut Start Cut off paper width Adjust Requires a trained technician Position Error Print position Contact technical support at 1 877 388 1776 Angled Cut Adjust Cutter assembly Requires a trained technician position Contact technical support at 1 877 388 1776 18 DNP Photo Imag
10. ar tape There is no need to be specific in aligning the ribbon pieces B Note Depending on your printer the ribbon may look different from the one shown in the picture below Fix using clear tape Figure 18 Fixing a Torn Ribbon 2 Turn the receive spool towards the back of the printer several times until the repaired portion disappears completely and the supply side of the ribbon is smooth Note The ribbon can be repaired without removing the ribbon spools from the printer If more space is needed then remove the ribbon spools and replace them after repairing them You have now fixed a torn ribbon 16 DNP Photo Imaging America Corp Troubleshooting M4 04 Print Quality Troubleshooting M4 04 Print Quality Occasionally the M4 Q4 printer will require manual adjustments to ensure high quality prints The following table lists various print issues and how to resolve them Table 1 M4 Q4 Print Quality Issue Graze Solution Adjust offset Page Requires a trained technician Contact technical support at 1 877 388 1776 Clean thermal print head See Cleaning the Print Head on page 13 Adjust head voltage Requires a trained technician Contact technical support at 1 877 388 1776 Wrinkle Adjust offset Requires a trained technician Contact technical support at 1 877 388 1776 Adjust ribbon feed out gear assembly Requires a trained technician Cont
11. d Basic Maintenance No Message Possible Cause Solution 5 Paper End Error g m Paperis am Replace or reinstall finished paper See Installing the M4 ua Paper spool is Q4 Paper on not installed page 21 g m Paperis not positioned correctly 6 Paper Jam a Paper is torn or am Using scissors cut crumpled the leading edge T of the paper roll n poss E straight across asing pap and reinstall to jam g m Allow paper to dry Turn down AC to remove some of the humidity from the air 7 Ribbon Error am Ribbon break g m Repair torn ribbon due to jamming 8 Ribbon End am Ribbon is gm Replace ribbon finished See Installing the m Ribbon is not 2 tai sai installed pag g m Incorrect ribbon 9 System Error g m Harness is Requires a trained disconnected technician Contact or damaged technical support at aim Head Voltage 1 877 388 1776 requires yey adjustment um Faulty power unit um Faulty drive board ua DNP Photo Imaging America Corp Troubleshooting M4 04 Errors Basic Maintenance B Note 2 Whenever there is a error it is possible for the print spooler to lose prints Always verify that the correct number of prints have been issued Resend the order if necessary DNP Photo Imaging America Corp 39 Troubleshooting M4 04 Errors Advanced M4 04 Error Messages Table 8 M4 Q4 Advanced Error Messages Possible Cause Not an error Basic Maintenance Solution Not an
12. d Faulty mistor Faulty main board Requires a trained technician Contact technical support at 1 877 388 1776 a 41 Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued No Message Possible Cause Basic Maintenance Solution 4 Cover Open g m Printer cover is Close the cover open em Harness is Requires a trained disconnected technician Contact technical or damaged support at slm Faulty open 1 877 388 1776 wy ww sensor bd g m Faulty interim board e m Faulty drive board g m Faulty main board 5 Paper Jam w Paper is torn or g m Using scissors cut 42 na crumpled Humidity level is causing paper to jam the leading edge of the paper roll straight across and reinstall g m Allow paper to dry Turn down AC to remove some of the humidity from the air na nn nn nn nn Harness is disconnected or damaged Faulty Paper Jam sensor Faulty interim board Faulty drive board Faulty main board Requires a trained technician Contact technical support at 1 877 388 1776 a DNP Photo Imaging America Corp Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued Basic Maintenance Solution ym Repair torn ribbon No Message Possible Cause 6 Ribbon Error wm Ribbon break due to jamming Ribbon break due to a Head voltage set too high mE Offset Adjustment erro
13. e na na na na na Harness is disconnected or damaged Head Voltage requires adjustment Faulty power unit Faulty drive board Faulty main board Basic Maintenance Solution Requires a trained technician Contact technical support at 1 877 388 1776 a 10 Head Position Error DNP Photo Imaging America Corp na Head up down movement error ym Power OFF and then restart the printer na na na na na Harness is disconnected or damaged Head Voltage requires adjustment Faulty power unit Faulty drive board Faulty main board Requires a trained technician Contact technical support at 1 877 388 1776 TA 3 45 Troubleshooting M4 04 Errors Basic Maintenance Table 8 M4 Q4 Advanced Error Messages Continued No Message Possible Cause Solution 11 Power Supply g m Fan is blocked e m Power OFF printer Fan Stopped aum Fan not working and remove obstacle g m Power OFF and then restart the printer wm Harness is Requires a trained disconnected technician Contact technical or damaged support at 1 877 388 1776 g m Faulty fan s w us a Faulty interim d board am Faulty drive board am Faulty main board 12 Cutter Error g m Paper caught ym Power OFF printer Power ON printer to release the cutter Remove paper em Harness is Requires a trained disconnected technician Contact technical or damaged su
14. entilation um Never use water or liquid to extinguish a fire on the system unit um Always protect the power cord from accidental kinks cuts and foot traffic um Always operate this system from the correct type of grounded power source g m Always clean and maintain the system in the prescribed manner as instructed in this manual g m Always use this equipment in the specified manner as recommended by the manufacturer Failure to observe safety precautions voids your warranty and may cause damage to the unit and could result in personal injury or death Contact technical support at 1 888 749 3587 if g m The system is damaged due to fire or flood or is otherwise unsafe to operate g m Any part of the system is dropped cracked or is not operating properly after performing cleaning and maintenance um You have any questions not answered in this manual DNP Photo Imaging America Corp General Safety Precautions Basic Maintenance DNP Photo Imaging America Corp M Series amp Q Series Printers Basic Maintenance M SERIES amp O SERIES PRINTERS Distinguishing Your M Series and Q Series Printer Model The M Series printers are versatile photo printers for use in photo labs by professional photographers or in other commercial situations which demand high speed and exceptional quality Other information on the M Series printers can be found in the printer s field service manual or your system s documentation suite PixelWare M
15. gure 22 Cutting the Damaged End off the Roll a 6 Power ON the printer VS Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution See General Safety Precautions on page iii 7 Replace the printer paper See Installing the M4 Q4 Paper on page 2 8 Replace the supply and receive ribbon spools making sure to position them as noted in step 3 Refer to Installing the M4 Q4 Ribbon on page 5 9 Remove the ribbon slack by turning the receive spool approximately five times S Note It is important that the ribbon be taut when it is installed A loose ribbon causes printer errors 20 DNP Photo Imaging America Corp Removing Paper Jams Basic Maintenance 10 Close the printer cover 11 Power ON the printer You have now cleared a paper jam DNP Photo Imaging America Corp 21 Clearing Scrap Paper Stuck in the Printer 1 Power OFF and then power ON the M4 Q4 printer again Basic Maintenance 2 When the LED is lit solid press the printer cover release button to open the printer cover see Figure 23 Printer Door Release Button Figure 23 Printer Cover Release Button 3 The paper scrap is automatically ejected You have now dislodged a stuck paper scrap or french fry 22 DNP Photo Imaging America Corp Basic Maintenance Clearing Stuck Prints Due to Power Outage Note Whenever there is a power outage it is possible for the prin
16. he ribbon be taut when it is installed A loose ribbon causes printer errors 24 DNP Photo Imaging America Corp Basic Maintenance 10 Close the printer cover You have now cleared a print stuck due to a power outage DNP Photo Imaging America Corp 25 PN 35 3020 M4Q4 Rev 0208 DNP Photo Imaging America Corp PO Box 767 SAN MARCOS TX 78667 WWW DNPPHOTO COM
17. ing America Corp Troubleshooting M4 04 Errors Troubleshooting M4 04 Errors Basic Maintenance B Note Whenever there is a error it is possible for the print spooler to lose prints Always verify that the correct number of prints have been issued Resend the order if necessary Occasionally the M4 Q4 displays an error message on the screen The following tables list each error message as it appears and the possible causes and solutions Standard M4 04 Error Messages Table 7 M4 Q4 Standard Error Messages No Message Possible Cause Solution 1 Cover Open g m Printer coveris Close the cover open 2 Data Error g m Trouble am Check USB receiving connection image data a m Check application g m Application problem 3 Hardware Error g m Harness is Requires a trained disconnected technician Contact or damaged technical support at aim Head Voltage 1 877 388 1776 requires yey adjustment um Faulty power unit gum Faulty drive board 4 Paper Error g m Media size n Reset software doesn t match settings or replace software media to match aim Paper and software in Admin ribbon media nm Replace media to DNP Photo Imaging America Corp do not match achieve matching combination of sizes See Installing the M4 Q4 Paper on page 21 See Installing the M4 Q4 Ribbon on page 23 37 Troubleshooting M4 04 Errors Table 7 M4 Q4 Standard Error Messages Continue
18. pport at am Faulty cutter pa ci position yey sensor Am Faulty cutter motor a Faulty interim board g m Faulty drive board g m Faulty main board 46 DNP Photo Imaging America Corp Troubleshooting M4 04 Errors Basic Maintenance Table 8 M4 Q4 Advanced Error Messages Continued No Message Possible Cause Solution 13 Pinch Roller am Paperjam g m Remove the paper Position Error detected near jam the delivery roller g m Harness is Requires a trained disconnected technician Contact technical or damaged support at a Faulty cutter 1 877 388 1776 position g Y sensor bd Em Faulty cutter motor g m Faulty interim board g m Faulty drive board am Faulty main board 14 Ribbon Tension em Ribbon tension um Remove the paper Error mechanism jam failure em Harness is Requires a trained disconnected technician Contact technical or damaged support at g m Faulty tension 1 877 388 1776 I Am HP sensor Y Y a Faulty tension motor a m Faulty interim board g m Faulty drive board g m Faulty main board DNP Photo Imaging America Corp 47 Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued No Message Possible Cause Solution 15 Illegal Head em Printer head am Power OFF Allow Temperature overheated printer to cool for a few minutes Restart the printer ym Check that the cooling fan airflow is not blocked g
19. r g m Faulty Feed Out assembly tension setting g m Harness is disconnected or damaged am Faulty ribbon sensor am Faulty ribbon rewind motor a Faulty tension HP sensor al Faulty interim board g m Faulty drive board gum Faulty main board DNP Photo Imaging America Corp Requires a trained technician Contact technical support at 1 877 388 1776 a 43 Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued Basic Maintenance No Message Possible Cause Solution 7 Paper Definition em Media size a m Reset software Error doesn t match settings or replace software media to match mim Paper and software ribbon media am Replace media to do not match achieve matching combination of sizes em Harness is Requires a trained disconnected technician Contact technical or damaged support at am Faulty paper 1 877 388 1776 size sensor yy em Faulty interim board a Faulty drive board g m Faulty main board 8 Data Error am Trouble am Check USB receiving connection image ote um Check application g m Application problem wm Harness is Requires a trained disconnected technician Contact technical or damaged support at atm Faulty main 1 877 388 1776 board yey 44 DNP Photo Imaging America Corp Troubleshooting M4 04 Errors Table 8 M4 Q4 Advanced Error Messages Continued No Message 9 Head Voltage Error Possible Caus
20. re 9 Printer Door Release Button Figure 9 Printer Cover Release Button 3 Remove the ribbon from the printer noting the placement of the receive and supply spools see Figure 10 Receive Spool Upper Supply Spool Lower Figure 10 Ribbon Spool Placement 4 Once the ribbon is removed gently pull the paper to unwind it from the paper path see Figure 11 10 DNP Photo Imaging America Corp Cleaning the Interior of the M4 04 Basic Maintenance Figure 11 Unthreading the Printer Paper 5 Using a small vacuum or blower clean the inside of the printer to remove any dust or debris Figure 12 Printer Interior 6 Power ON the printer Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution See General Safety Precautions on page iii 7 Reinstall the printer paper and ribbon 8 Close the printer cover You have now cleaned the interior of the M4 Q4 DNP Photo Imaging America Corp 11 Cleaning the Platen Roller Basic Maintenance Cleaning the Platen Roller 1 Before proceeding wait a couple of minutes to allow the print head to cool off 2 Using a soft lint free cloth and ethyl alcohol clean the platen roller see Figure 13 BH Attention To avoid invading resin do not use Benzene thinner or other cleaning agents Figure 13 Cleaning the Platen Roller 3 Turn the roller as you wipe the surface to clean the entire unit 4
21. sic Maintenance Emptying the Paper Scrap Bin VS Attention Do not insert your fingers into the print exit area when the printer is in use Doing so can cause injury Before replacing the printer media remove the paper trimmings from the printer s scrap bin 1 Locate the hand hold area at the bottom center of the bin see Figure 6 AAA Figure 6 M4 Q4 Printer Scrap Bin Gently pull the bin away from the bottom of the printer base Slide the bin down and remove it from printer Empty any paper trimmings in the bin into a proper receptacle Insert the top end of the bin into the upper base of the printer Oo cv 0 N Gently guide the bottom end of the scrap bin into the printer base You have now emptied the scrap bin DNP Photo Imaging America Corp 7 Cleaning the Air Filters Basic Maintenance Cleaning the Air Filters VS Attention If the filter is clogged the inside temperature of the housing becomes higher and can cause the thermal head to overheat When the thermal head overheats printing halts and the error LED may blink Printing resumes automatically when the head temperature cools The thermal head can also overheat due to inputting continuous high power such as printing all black images 1 Locate the cooling fans bolted to the bottom of the housing towards the back of the interior cavity of the printer Figure 7 Cooling Fans Location 9 The filter covers snap off Use your fingers to pry
22. t spooler to lose prints Always verify that the correct number of prints have been issued Resend the order if necessary 1 Power ON the M4 Q4 printer again 9 When the LED is lit solid blue press the printer cover release button to open the printer cover see Figure 24 Printer Door Release Button Figure 24 Printer Cover Release Button 3 Remove the ribbon from the printer noting the placement of the receive and supply spools see Figure 25 Receive Spool Upper Supply Spool Lower Figure 25 Ribbon Spool Placement 4 Once the ribbon is removed gently pull the paper to unwind it from the paper path see Figure 26 DNP Photo Imaging America Corp 23 Basic Maintenance Figure 26 Unthreading the Printer Paper 5 Cutthe recovered interrupted print off the roll with a straight cut across the leading edge see Figure 27 6 Power ON the printer Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution See General Safety Precautions on page iii ay Figure 27 Cutting the Damaged End off the Roll 7 Replace the printer paper See Installing the M4 Q4 Paper on page 2 8 Replace the supply and receive ribbon spools making sure to position them as noted in step 3 Refer to Installing the M4 Q4 Ribbon on page 5 9 Remove the ribbon slack by turning the receive spool approximately five times Note It is important that t
23. the filter cover off the fan Figure 8 Removing the Fan Filter Cover 3 Clean the air filter using a brush or cleaner A Attention If you wash the air filter wait until the filter is completely dry before reinstalling Any moisture will cause problems 4 Replace the filter covers making sure that they snap securely on to the cooling fans DNP Photo Imaging America Corp Cleaning the Air Filters Basic Maintenance 5 Power ON the printer A Attention Remove any jewelry or clothing that could get caught in the unit as a safety precaution 6 Reinstall the printer paper See Installing the M Series Paper and Ribbon on page 8 7 Replace the ribbon See Installing the M Series Paper and Ribbon on page 8 8 Close the printer cover You have now cleaned the air filters DNP Photo Imaging America Corp 9 Cleaning the Interior of the M4 04 Basic Maintenance Cleaning the Interior of the M4 04 A Attention An accumulation of dust can clog the filter causing the inside temperature of the housing to become higher and the thermal head to overheat When the thermal head overheats printing halts and the error LED may blink Printing resumes automatically when the head temperature cools The thermal head can also overheat due to inputting continuous high power such as printing all black images 1 Power OFF the M4 Q4 printer 2 Press the printer cover release button to open the printer cover see Figu
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