Oce North America LIGHTJET 430 User's Manual
Contents
1. CONNECTED TO THE FILTER ASSEMBLY THERE IS A RISK OF PERSONAL INJURY IF RELEASED UNDER PRESSURE ATTENTION LA CARTOUCHE DU FILTRE EST SOUS PRESSION 4 1 BAR DECONNECTEZ LA SOURCE D ALIMENTATION D AIR COMRIME ET DEPRESSURISEZ TOUTES LES LIGNES A AIR CONNECTEES AU PORTE FILTRE IL EXISTE UN RESQUE DE BLESSURE SI LE PORTE FILTRE SET RELACHE SOUS PRESSION VORSICHT DER LUFTFILTER IST UNTER DRUCK 4 1 BAR DIE LUFTZUFUHR MUSS ABGESTELLT UND DIE LEITUNGEN ZUM LUFTFILTER ENTLEHRT WERDEN ES BESTEHT VERLETZUNGSGEFAHR SOLLTE ER UNTER DRUCK GEOFFNET WERDEN 1 Shut off the house air supply and depressurize the machine by disconnecting the 6 mm 14 air hose from the bulkhead tube connector on the right side of the machine 2 Open the right side door to access the drum Unscrew the threaded collar and carefully remove the bowl 4 Clean using mild soap and water only and thoroughly dry all internal parts and the bowl before reassembling 2 4 see copyright disclosure use and duplication information on pg ii 45574 F gt Routine Maintenance Procedures If a new filter element is required 1 Unscrew the lower baffle and remove the old filter element Insert the new filter element and replace the lower baffle tighten firmly 2 Replace bowl and lubricate seal if necessary to help keep it in position Use only mineral based oils or grease 3 Install bowl into body and tighten collar firmly with your hands 4 Close the r2. damaged media if necessary 455 74 F see copyright disclosure use and duplication information on pg ii 2 5 LightJet 430 User Guide lt 3 Ifthe media does not move freely it must be removed manually from the drum Cut the media before the infeed pinch rollers by running a knife in the slot between the idler roller and the first guide vane Remove the infeed media roll 4 Power down the LightJet 430 use the procedures described in the LightJet 430 User Guide to ensure proper cool down of the blue laser and disconnect the AC power cord from the wall outlet 5 Open the right side door to access the drum 6 Using caution extract the media from the drum To facilitate the removal of media the media guides should be in their parked position The guides can be retracted by hand by applying a force at their drive point Be careful not to exert any appreciable force on the light shield 7 Close the right side door 8 Connect the AC power to the wall outlet and power up the LightJet 430 Advance Jam To clear a media jam that has occurred while media is advancing through the machine 1 Cut the media before the infeed pinch rollers by running a knife in the slot between the idler roller and the first guide vane Using the control panel select Set Up Motor Control All Motors Forward Attempt to advance 10 inches of media If the media moves freely use All Motors Forward again for 135 inches to wind the media onto
3. the customer site Record software and firmware versions Record ND Light Levels from LJ Explorer Optical Motors Inspect all optics clean and adjust if necessary Clean media load and unload area Clean rubber rollers and drum Clean all air filters Customers who do not have a service contract can request a PM and provide a purchase order number in order to receive this service To ensure consistent and reliable operation of your LightJet 430 we recommend that a PM service visit be performed every 6 months Cleaning Your LightJet 430 Cleaning the LightJet 430 on a regular basis will prevent build up of particles in the drum and media transport system that can cause imaging artifact problems The following schedule is a guideline only machines that experience heavy use should be cleaned more often Notes PM activities may change without notice 45574 F see copyright disclosure use and duplication information on pg ii 2 1 LightJet 430 User Guide lt Maintenance Activity Weekly 6 Mths Annually Clean media load amp unload area Clean output pinch rollers m Clean drum Clean the light shield As required Clean or replace the intake air filter E Replace the coalescing filter Media Load and Unload Area Paper dust and small shavings from cutting media can build up in this area over time To clean 1 2 Open front media door Use a vacuum cleaner with a
4. the outfeed roll Inspect the media for damage If media is torn inspect the inside of the imaging drum for debris Clean drum if necessary If the media does not move freely it must be removed manually from the drum Cut the media at the cutter bar Remove the infeed and outfeed media rolls Power down the LightJet 430 use the procedures described in the LightJet 430 User s Manual to ensure proper cool down of the blue laser and disconnect the AC power cord from the wall outlet Open the right side door to access the drum Using caution extract the media from the drum To facilitate the removal of media the media guides should be in their parked position The guides can be retracted by hand by applying a force at their drive point Be careful not to exert any appreciable force on the light shield Close the right side door Connect the AC power to the wall outlet and power up the LightJet 430 End of Section 2 6 see copyright disclosure use and duplication information on pg ii 45574 F Troubleshooting 3 Troubleshooting Problems with the LightJet 430 generally fall into four categories Power up Failures Electronic Optical and Mechanical Failures Communication Failures Undesirable Artifacts on Media Retrieving the LightJet Log LightJet Explorer maintains a log of the actions performed by the LightJet 430 This is an excellent diagnostic tool and Oc service representatives may reques
5. 75 Web hetp www dgs oce com Tech Support Site http www dgs oce com rgi tech index html Comments on this manual Please forward to the above address marked Attention Technical Writer Oc maintains a comprehensive support structure for its LightJet customers Upon installation of your printer you will be provided with the name of the sales and service office responsible for your account Record this information along with the serial number of your LightJet 430 Always report service problems to the office assigned to your account at installation Contacting the factory directly may cause unnecessary delays in resolving your service issue ii see copyright disclosure use and duplication information on pg ii 45574 F gt Copyright Company Information and Laser Safety Standards Compliance US and Canadian Customers Oc Display Graphics Systems Service 1 800 456 3473 13231 Delf Place Building 501 Fax 604 232 3154 Richmond British Columbia Canada Spares Orders 1 800 295 6433 ext 4 V6V 2C3 European Customers Oc Display Graphics Systems Service 44 0 1628 519720 6 Waltham Park Service Fax 44 0 1628 519589 Waltham Road Spares Enquiries 44 0 1628 519736 White Waltham Spares Orders Fax 44 0 1628 519751 Berkshire SL6 3TN England Asia Pacific Customers Oc Display Graphics Systems Service 8 1 3 5 484 8033 Grand Palace Tamachi 601 Fax 81 3 5 484 2071 4 9 18 Shibaura Min
6. IED HEREIN MAY RESULT IN HAZARDOUS LASER RADIATION EXPOSURE ATTENTION LE CONTROLE ET L AJUSTEMENT AINSI QUE LA MODIFICATION DES PERFORMANCES AUTRES QUE CEUX STIPULES DANS CE MANUEL PEUVENT CREER DES EFFETS IMPREVUS DE LA RADIATION LASER VORSICHT ANDERE ALS HIER VORGESCHRIEBENE BENUTZUNG VON KONTROLLSCHALTERN JUSTIERUNGEN UND DURCHFUEHRUNG VON VORSCHRIFTEN KANN ZU GEFAEHRLICHER BESTRAHLUNG FUEHREN End of Section see copyright disclosure use and duplication information on pg ii 45574 F gt Routine Maintenance Procedures 2 Routine Maintenance Procedures NOTE The LightJet 430 is a digital photo printer intended for operation under conditions of acontrolled environment Photo printers are classified as information technology equipment ITE and are subject to applicable ITE test and working environment standards Deployment of this equipment in an environment or under conditions other than specified and or recommended may result in degradation of machine performance Preventative Maintenance Service Visits Customers who hold a service contract for their LightJet 430 receive regular Preventative Maintenance PM service visits During a PM visit our service engineer will Review customer log and address potential problems Verify acceptable level of image quality Verify media transport operation Verify electrical and optical systems using LJ Explorer Verify that a hard copy of the EEPROM data is on file at
7. N60204 1 Low Voltage Directive Machinery Directive 73 23 EEC 93 68 EEC iv see copyright disclosure use and duplication information on pg ii 45574 F gt Copyright Company Information and Laser Safety Standards Compliance Laser Safety This equipment is a Class 1 laser product which is safe under all operating conditions The following standards were used to evaluate compliance United States of America 21 CFR 1040 Center for Devices and Radiological Health CDRH Canada and European Community Safety of Laser Products EN60825 1 End of Section 455 74 F see copyright disclosure use and duplication information on pg ii LightJet 430 User Guide lt THIS PAGE INTENTIONALLY LEFT BLANK vi see copyright disclosure use and duplication information on pg ii 45574 F gt LightJet 430 Safety Information 1 LightJet 430 Safety Information This manual is applicable to both the LightJet 430 and LightJet 430RS printers All references to the LightJet 430 also refer to the LightJet 430RS Important Safety Information For Maintenance Personnel The LightJet 430 is equipped with laser safety warning labels that are strategically placed to remind user and maintenance personnel of laser safety issues before any exposure can occur Please note that the panels at the home left end cannot be removed by maintenance personnel These panels can only be removed by a qualified service engineer
8. Oc LightJet 430 Maintenance Guide Wide Format Photo Laser Printer Revision F April 2002 Oc Display Graphics Systems 2002 ALL RIGHTS RESERVED Table of Contents Copyright and Document Estonian nnRere rss ii Product Support Documentation and Service ii Product Compliance and Standards ss siennes tetes iv 1 LightJet 430 Safety Information 1 1 Important Safety Information For Maintenance Personnel 1 1 2 Routine Maintenance Procedures 2 1 Preventative Maintenance Service Visits cccccceceeeeeececeeecececeeeeeeeeeeeeeeeees 2 1 Cleaning Your LightJet 490 f1c i ciasic sn preteen 2 1 Media Load and Unload Area 2 2 Output Pinch Rollers intranet eee 2 2 Dm sh fs RER Re Re At oes aes 2 2 Dighe Shield re tv an a 2 3 Intake Air Filter 2 3 Cols EI E MR Sate ER SRE A 2 4 Power Distribution Checklist 25028 08h nt den 2 5 Checking th Cooling SSSR 2 5 Clearing Media miss na din And a a 2 5 Eoad Jani iaceret ieie eiii A A EEA S 2 5 Advance Jar 4 0 0 2 6 3 Troubleshooting 2 20 20 ceeeeeeeeeneeeeneeeeeeeeeeeeeeeeeeeeeeeeeees 3 1 Retrieving the LightJet Login nou 3 1 Powertip Failures attenante nn E E ne 3 1 Electronic Optical and Mechanical Failures ccceeceeceeeeeeeeeeeeeeens 3 2 Communication Failures ccccccesecceeeeceeeeceeeeeaeececeeeeaeecseneeesuaeeneeeeseas 3 4 Undesirable Artifacts on Media 3 5 List of Tabl
9. This is a Class 1 laser product meeting laser safety requirements of 21 CFR 1040 and ENGo825 1 as applicable Laser devices contained within this equipment are hazardous All procedures necessary to perform user maintenance functions are outlined in this document Internal lasers have the following output characteristics under maximum conditions Laser Type Wavelength Output Power Beam Divergence nm mW mRad Helium Neon HeNe Red Laser 633 14 1 4 Helium Neon HeNe Green Laser 543 1 7 1 0 Argon Ar Blue Laser 458 2 5 1 0 Table 1 1 LightJet 430 laser specifications CAUTION DANGER LASER RADIATION THIS EQUIPMENT WILL EMIT LASER RADIATION WHEN OPEN AND INTERLOCK SWITCHES DEFEATED AVOID EYE EXPOSURE TO DIRECT AND SCATTERED LASER RADIATION DANGER RADIATIONS LASER CET EQUIPEMENT PEUT EMETTRE DES RADIATIONS LASER LORSQU IL EST OUVERT ET EN CAS DE DEFAILLANCE DES INTERRUPTEURS DE SECURITE EVITER TOUT CONTACT DES YEUX AUX RAYONS DIRECTS ET INDIRECTS DES LASERS GEFAHR LASERSTRAHLUNG IM OFFENEM ZUSTAND UND MIT UBERBRUCKTEN SICHERUNGSSCHALTERN WIRD VON DIESEM GERAT LASERSTRAHLUNG EMITTIERT VERMEIDEN SIE DIE BESTRAHLUNG DER AUGEN DURCH DIREKTE ODER GETREUTE LASERSTRAHLUNG 455 74 6 see copyright disclosure use and duplication information on pg ii 1 1 LightJet 430 User Guide lt CAUTION CAUTION USE OF CONTROL OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIF
10. ato ku Tokyo Japan 108 0023 Other Customers Your regional distributor When you call one of our customer service numbers you will be provided with telephone technical support Outside of office hours you can leave a message and your call will be returned the next working day When you call identify yourself as a LightJet customer and provide the following information The serial number of your LightJet 430 Your telephone number Your company name Nature of the problem Your name If we are unable to resolve your problem over the telephone field engineers can be dispatched to your site to conduct repairs Service visits are paid for by the customer either under a maintenance agreement or by purchase order or prepayment Time and material rates are charged for any service not covered under a maintenance agreement Before calling to report a problem gather as much information about the problem as possible and have it ready to provide to the customer care center engineer The more information you can provide initially the more quickly the problem can be corrected 45574 F see copyright disclosure use and duplication information on pg ii iii LightJet 430 User Guide lt Product Compliance and Standards Electromagnetic Compatibility This equipment generates uses and radiates radio frequency energy and if not installed and used as designed or intended may cause interference to radio communications This equipmen
11. e laser causing an image artifact It is recommended the drum be free of paper dust and particles before cleaning the light shield This will minimize the chance of recontaminating the light shield To clean the light shield 1 Examine the image exhibiting the artifact to ascertain approximately where in the light shield the hair or particle is located 2 Using the control panel select Set Up Cleaning Mode Clean Light Shield Press ENTER to park the media guides at their home position and move the light shield to the customer access side of the machine 3 Open the right side door to access the light shield 4 The spokes of the light shield are spaced far enough apart that you can put your head between them and look through the gap to find any debris A small flashlight can be helpful Use compressed air or tweezers to remove debris Use caution when handling the light shield It can be damaged if any appreciable weight is applied to it 5 Using a can of clean air spray the problem area liberally Direct the air so that it is blowing air outward through the gap in the radial direction 6 Close the right side door Intake Air Filter The intake air filter is located at the base of the machine on the left hand side To clean or replace 1 Remove media from the LightJet 430 When in place the air intake filter blocks light from entering the machine 2 Remove the filter grill to access the filter 3 Ifthe filter is dirt
12. er switch and the control panel are on but the blue laser blower exhaust cooling fan and cardcage cooling fans are off contact Oc Electronic Optical and Mechanical Failures This section provides a list of error conditions for the LightJet 430 When an error occurs the control panel displays Errors Encountered lt ENTER to View ESC to Clear gt 1 Press ENTER to display the error ESC will clear the error buffer without displaying the error 2 After viewing the error press the SETUP MEDIA or ON LINE keys to clear the error buffer Note that this clears the error buffer but does not correct the cause of the error 3 Use the recommended recovery methods described below to troubleshoot the error If the printer does not allow you to initiate the recovery process power down and restart the printer then continue the process Wait at least 15 seconds between powering off and on Rapid power cycling can harm the electronics If you are unable to resolve the problem contact Oc see Product Support Documentation and Service on page ii Error o1 End of Roll During Load Possible Loaded media is less than 125 in length Loading the machine requires a Cause minimum of 125 of media Recovery Select Set Up Motor Control All Motors Reverse Retract 135 inches of Method media see copyright disclosure use and duplication information on pg ii 45574 F Troubleshootin
13. es Table 1 1 LightJet 430 laser specifications cccscsseseseseseceseseeeeceeeseseeeseneeeeeeees 1 1 LightJet 430 User Guide lt Copyright 2002 Oc All rights reserved This document contains information proprietary to Oc to its subsidiaries or to third parties to which Oc may have a legal obligation to protect such information from unauthorized disclosure use or duplication Any disclosure use or duplication of this document or of any of the information contained herein for other than the specific purpose for which it was disclosed is expressly prohibited except as Oc may otherwise agree to in writing Due to continuing research and product improvements features or product specifications may change at any time without notice Document History Date Doc No Revision Revision Summary May 14 2001 45574 C Additional compliance information new manual format Jan 22 2002 45574 D Changed all Gretag references to Oc new format Feb 13 2002 45574 E Added info that manual also covers LightJet 430RS wman e a tee en or gee Ue Product Support Documentation and Service For further information on documentation and support for your LightJet 430 or for information on other Oc Display Graphics Systems products please contact Oc Display Graphics Systems 13231 Delf Place 501 Richmond British Columbia Canada V6V 2C3 Phone 604 273 7730 Fax 604 273 27
14. g Error 02 Media Seating Failed Possible Media has buckled in the drum Cause Load Failure Select Set Up Motor Control All Motors Reverse Retract 13 5 Recovery inches of media Methods Advance Failure Select Media Cut and Unload Error 03 Excessive Media Slip Load Failure Leading edge of media has excessive curl or a folded corner This Possible will create excessive drag as media travels between the media guides and the Cause drum Recovery Load Failure Select Set Up Motor Control All Motors Reverse Retract 135 Method inches of media Error 04 Infeed Timeout Fault Possible User took too long to feed media into the machine Cause Recovery Reload media Method Error os Media Guide Location Unknown A The media has come off the drum surface and is causing drag against the Possible movement of the media guides Causes B The media guides or brushes are dragging against the drum surface C The media guide sensor is not functioning properly A Select Media Cut and Unload If problem persists call a field service Recovery representative Methods B The media guides have shifted Contact Oc C Contact Oc 45574 F see copyright disclosure use and duplication information on pg ii 3 3 LightJet 430 User Guide lt Error 06 Micropositioner Location Unknown Possible Micropositioner has lost
15. ight side door Reconnect the 6 mm 4 air hose and turn on the house air supply Power Distribution Checklist Maintenance of the AC power system involves checking the following parts Building circuit breaker for dedicated power Input power cord condition Input power cord connection at the wall outlet Input power cord connection on the power distribution unit PDU Checking the Cooling System The cooling system consists of two cooling fan assemblies and one air blower One dual cooling fan assembly is located under the electronic control unit ECU The other single fan assembly is located on the rear panel left side of the LightJet 430 The greatest heat source is the blue laser head which is cooled by the blue laser blower It is imperative that the airflow through the vent hose never be restricted or the blue laser could be damaged and image quality degraded If overheating does occur the blue laser will shut down interrupting image production Refer to the LightJet 430 Site Preparation Guide for heat removal specifications Clearing Media Jams Load Jam To clear a media jam that has occurred during media loading 1 Using the control panel select Set Up Motor Control All Motors Reverse Attempt to retract 10 inches of media 2 If the media moves freely use All Motors Reverse again for 135 inches to rewind the loaded media onto the infeed roll Inspect leading edge of media for damage Cut away
16. lowing The application software is loaded and functioning properly The SCSI ID is set correctly in the host computer configuration file The SCSI cable is properly connected to the host computer The SCSI cable is no longer than 6 meters 20 feet The image can be displayed properly on the computer screen Undesirable Artifacts on Media Problems that create undesirable artifacts but are not reported as a fault by the LightJet 430 diagnostics may be related to Deterioration of moving parts Contamination of the optical and mechanical parts due to airborne particles Light leakage due to damaged or worn light seals Media damage Corrupted image file Problems with image artifacts may be difficult to pinpoint over the telephone Save a sample image showing the problem and contact Oc see Product Support Documentation and Service on page ii for shipping instructions End of Section Notes Check whether all the functions have failed or only certain ones The SCSI ID switch on the main processor board should only be checked by a qualified service engineer 455 74 F see copyright disclosure use and duplication information on pg ii 3 5 LightJet 430 User Guide lt THIS PAGE INTENTIONALLY LEFT BLANK 3 6 see copyright disclosure use and duplication information on pg ii 45574 F
17. n appropriate attachment to remove dust and shavings Output Pinch Rollers Paper dust and small shavings from cutting media can build up on the rollers rubber surfaces over time To clean 1 2 4 Drum Open front media door Using the control panel select Set Up Cleaning Mode Clean Output Rollers Press ENTER to rotate the output pinch rollers 1 8 revolutions at a time so they can be properly cleaned do this 9 times for a full rotation Use a vacuum cleaner with an appropriate attachment to remove dust and shavings from the rollers Close the front media door Paper dust and particles can build up on the drum s surface over time To clean 1 Using the control panel select Set Up Cleaning Mode Clean Drum Press ENTER to park the media guides at their home position and move the light shield away from the customer access side of the machine Open right side door to access the drum DO NOT step into the drum see copyright disclosure use and duplication information on pg ii 45574 F gt Routine Maintenance Procedures 3 Use a vacuum with a soft brush attachment or a dust mop with an electrostatic cleaning cloth to remove dust and particles from the inside drum surface 4 Close right side door Light Shield The light shield consists of two structures the imaging beam scans in a gap between them Cleaning the light shield is only required if a foreign particle or hair on the light shield is blocking th
18. servo Cause Recovery Select Media Cut and Unload If problem persists contact Oc Method Error o7 Media Guide Stuck at Home Possible A Media guides are stuck in their parked position Causes B Mechanical component failure A Select Media Cut and Unload Inspect media guides Clear physical Recovery obstruction if present Methods B Contact Oc Error 10 Outfeed Timeout Fault Possible The bottom of drum sensor did not sense any media within 30 seconds Cause Recovery Select Set Up Motor Control All Motors Reverse Retract 150 inches of media Method If error persists contact Oc Communication Failures Problems that prevent proper communication between the LightJet 430 and the host computer can cause total loss of communication prevent certain functions or corrupt the data used to generate the image The LightJet 430 cannot detect Whether the host computer is unable to generate the proper commands Some cases of data corruption When a SCSI cable is bad or disconnected When the wrong SCSI ID has been selected Notes The LightJet 430 can detect some but not all types of data corruption The LightJet 430 is shipped from the factory with the SCSI ID set to 6 binary 110 3 4 see copyright disclosure use and duplication information on pg ii 45574 F Troubleshooting If communication failure is suspected check the fol
19. t has been tested and found to comply with the limits for a Class A computing device This equipment has been designed to provide reasonable protection against such interference when operated in residential and commercial environments Operation of this equipment in a residential area may cause interference in which case the user at his own expense is required to take whatever measures are required to correct the interference United States Of America FCC This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Canada ICES 003 This Class A B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numerique de la classe A B respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada European Community EMC This device complies with Class A B emission limits in accordance with EN 5 5022 Electromagnetic compatibility Emissions Electromagnetic compatibility Immunity Electrical Safety 89 336 EEC 89 336 EEC This equipment has been tested and found to comply with the following electrical safety standards North America Canada United States of America CSA 950 UL 1950 European Community EN6o0950 E
20. t that you refer to or send ina copy of the log to assist them during a support call To retrieve the log 1 In LightJet Explorer select Utilities Retrieve Log 2 The log can then be saved as a text file by selecting File Save As Power up Failures Power problems that can occur include The power circuit breaker switch is on but nothing operates The power circuit breaker switch is on and the air blower outfeed exhaust cooling fan and cardcage cooling fans are operating but the control panel is off no display or backlight indicator If either of these conditions occur 1 Check that the power circuit breaker switch is operating by turning it off and back on once Wait at least 15 seconds between cycles 2 Check that the power cord is properly connected to both the wall outlet and the LightJet 430 3 Check that the dedicated circuit breaker for the LightJet 430 in the buildings main circuit breaker panel is on 4 If you don t find the problem contact Oc see Product Support Documentation and Service on page ii 455 74 F see copyright disclosure use and duplication information on pg ii 3 1 LightJet 430 User Guide lt Other power up problems include The LightJet 430 takes longer than 15 minutes to power up This indicates a servo laser test failure The LightJet Explorer Optical Motors Window displays which laser failed the test in the attenuator fields If the power circuit break
21. y but otherwise undamaged clean it using a mild solution of water and dish detergent 4 Thoroughly dry the filter using a cloth and or forced air dryer Water must never contact the ECU circuit boards 45574 F see copyright disclosure use and duplication information on pg ii 2 3 LightJet 430 User Guide lt 5 Ifthe filter is damaged replace it Contact Oc see Product Support Documentation and Service on page ii for a replacement filter part 39958 6 Re install the filter and grill NOTE If anything other than clean dry air is sent to the air bearings in the micropositioner the air ports within the micropositioner can become clogged There is no way to repair this in the field and the entire LightJet must be returned to the factory for repair Coalescing Filter The coalescing filter is located just inside the right side door Examine the filter monthly checking for the following Dirt Liquid or oil in the bowl should not be above the lower baffle holding the filter element Differential pressure indicator should not extend more than half way into the clear dome located above the retaining ring on top of the filter body If one or more of the above conditions exists replace the coalescing filter Otherwise replace once per year To examine or replace the coalescing filter CAUTION CAUTION THE FILTER CONTAINER IS UNDER PRESSURE 60 PSI TURN OFF THE HOUSE AIR SUPPLY AND DEPRESSURIZE ALL AIR LINES
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