Ricoh R-G1 Service Training Download Page 54

Page: 54 / 163

Ricoh Co. Ltd.

http://www.ricoh.com/

Model: M-G1a/M-G1b/M-G1L/M-G1W/R-
G1
Machine Codes:
J017/J019/J021/J023/J018

Slide 54

J017/J019/J021/J018/J023

Service Training

6) Print Heads

No additional notes.

Summary of Contents for R-G1

Page 1: ...Y1030 J309 Multi bypass Tray BY1020 J311 Paper Feed Unit TK1110 J307 Paper Feed Unit TK1110 J308 Photo of J017 J019 Revised 28 January 2010 Slide 147 deleted Revised 19 April 2010 200 sheet multi bypa...

Page 2: ...td http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 2 J017 J019 J021 J023 J018 Service Training 1 Product Outline M G1a M G1b M G1L M G1W R G1 No addi...

Page 3: ...ppm J018 Fast duplex speed J017 J019 J018 Over 80 of simplex speed over 75 for J023 There is no duplex option for J021 First print speed For more details see service manual J017 J019 J021 Monochrome L...

Page 4: ...in print mode J017 J019 J021 J023 38 W or less in print mode J018 New Energy Star compliant BAM compliant Plant based plastic Advanced Technology Improves Usability Counter function for click charge...

Page 5: ...can cause poor images or trigger errors like SC999 SC990 etc Lower ink consumption Redesigned print heads ink supply unit head cleaning algorithm and reversible pumps Redesigned ink level detection p...

Page 6: ...er jams More compact Shorter depth J017 J019 J021 J018 J023 Improved Ink Collector Unit Design Access from front of machine easy to change Sealed unit no ink leakage when changing ID chip added counte...

Page 7: ...event paper jams caused by incorrectly inserted unit Improved Head Maintenance New method helps to prevent clogged nozzles Carriage Unit Ink Supply Unit Carriage Unit and Supply Unit now Replaceable C...

Page 8: ...color print heads Yellow Magenta and Black Cyan YM BC Print Heads for J018 Two dual channel 2 color print heads Yellow Magenta and Magenta Yellow YM MY Two dual channel single color print heads Cyan...

Page 9: ...or L size Operation Panel J017 J019 J023 White J021 Grey J018 White on slightly larger panel Duplex Unit J017 J019 J018 J023 Standard J021 Not available Ink collector unit is larger in J018 The horizo...

Page 10: ...10 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 10 J017 J019 J021 J023 J018 Service Training 2 Specifications No additional notes...

Page 11: ...based ink Power Consumption Print Mode From 35W or less to 38W or less Energy Saver Mode From 2 W or less to 3 499 W or less See service manual for specific model details Dimensions J017 J019 J021 W...

Page 12: ...ions Number of Print Heads J017 J019 J021 J023 Two dual channel 192 nozzle heads J018 Four dual channel 192 nozzle heads Estimated Service Life J017 J019 J023 5 years or 150 000 prints J021 5 years or...

Page 13: ...ed RPCS J017 J019 J021 Less than 6 seconds mono Less than 7 5 seconds color J023 Less than 6 5 seconds mono Less than 9 seconds color J018 Less than 4 seconds mono Less than 5 seconds color Print Spee...

Page 14: ...ellow J017 J019 J021 J023 Medium size only J018 Medium size or large size Four starter ink cartridges K C M Y are provided with each printer Thereafter replacement ink cartridges must be purchased sep...

Page 15: ...Humidity 15 to 80 RH Ambient Illumination Less than 1 500 Lux Never leave sitting in direct sunlight Ventilation More than 30 m3 hr person in the work area Ambient Dust Less than 0 10 mg m3 Note that...

Page 16: ...ray J311 100 sheets For J023 only Multi bypass tray J309 200 sheets Paper Feed Unit J307 500 sheets For J018 only Paper Feed Unit J308 250 sheets For J023 only Specifications 6 6 Refer to the FSM for...

Page 17: ...17 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 17 J017 J019 J021 J018 J023 Service Training 3 Installation No additional notes...

Page 18: ...b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 18 Note optimal temperature humidity ranges in the above chart Caution Dry and hot operating environments may cause higher instances of...

Page 19: ...19 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 19 Space Requirements J017 J019 J021 J023 1 2 No additional notes...

Page 20: ...20 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 20 Space Requirements J018 2 2 No additional notes...

Page 21: ...off while ink tanks are filling some ink wastage will result when machine resumes filling process A clicking sound might be heard while ink tanks are filling This is normal and will stop after a few m...

Page 22: ...l M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 22 These machines and all peripherals are customer installed See user guide for general installation procedures General Inst...

Page 23: ...Machine Codes J017 J019 J021 J023 J018 Slide 23 Firmware updates can be performed by customer via USB J017 J019 J021 J018 J023 LAN J017 J019 J023 J018 New firmware can be downloaded from Firmware Down...

Page 24: ...24 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 24 J017 J019 J021 J018 J023 Service Training 4 Machine Overview No additional notes...

Page 25: ...M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 25 Top Cover Output Tray Output Tray Extension Paper Tray 1 Envelope Selector Print Cartridges Black Cyan Magenta Yellow Ink Collector Unit Righ...

Page 26: ...oh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 26 Machine External 2 4 Paper Feed Wheel Left Cover of Paper Feed Wheel J018 No additional...

Page 27: ...com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 27 Machine External 3 4 USB Slot Ethernet Port Duplex Unit Vent Power Inlet J018 Appearance varies slightly dependin...

Page 28: ...28 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 28 Machine External 4 4 Guide Board Duplex Unit J018 No additional notes...

Page 29: ...29 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 29 Operation Panels EU Model NA Model No additional notes...

Page 30: ...M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 30 Paper Feed Unit J307 1 2 For printing on paper longer than A4 Letter size use extension Tray 2 Tray 3 Rear Unit 500 sheet c...

Page 31: ...com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 31 Tray 2 Tray 3 Optional Trays 2 3 for J018 Only Tray 1 Up to two PFUs may be installed as shown here Paper Feed Un...

Page 32: ...J017 J019 J021 J023 J018 Slide 32 Paper Feed Unit TK1140 J308 1 2 PFU TK1140 is mounted on the bottom of the J023 and holds 250 sheets of paper This unit is used with the J023 only Two paper feed unit...

Page 33: ...nd one bottom fence can be adjusted to hold and feed a variety of standard and custom paper sizes See table below After the paper cassette is loaded with paper and installed in the paper feed unit the...

Page 34: ...ww ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 34 Bypass Tray Extension Bypass Tray Wheel for jams Multi Bypass Tray J507 Multi bypass tray J507 holds up...

Page 35: ...R G1 Machine Codes J017 J019 J021 J023 J018 Slide 35 Multi Bypass Tray J309 The bypass paper tray 1 and drive unit 2 comprise the bypass tray unit The drive unit 2 is mounted onto the back of the mai...

Page 36: ...om Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 36 Multi Bypass Tray J311 1 2 This multi bypass tray is available as an option for the J023 only Holds up to 100 shee...

Page 37: ...017 J019 J021 J023 J018 Slide 37 Guide Rod Fan PSU Carriage Control Board HVPS High Voltage Power Supply Ink Supply Unit Left Ink Sump Horizontal Encoder Vertical Encoder Wheel Envelope Selector J017...

Page 38: ...td http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 38 Maintenance Unit J017 Inside 2 5 Model shown is the J017 other models are slightly different in...

Page 39: ...icoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 39 J017 Inside 3 5 Model shown is the J017 other models are slightly different in some pl...

Page 40: ...Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 40 LAN USB J017 Inside 4 5 Model shown is the J017 other models are slightly different in som...

Page 41: ...com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 41 Transfer Belt Control Board HVPS On Control Board NIB J017 Inside 5 5 Model shown is the J017 other models are sl...

Page 42: ...td http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 42 Underside Friction Pad Unit J017 Model shown is the J017 other models are slightly different in...

Page 43: ...el M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 43 All Angles without covers Left Side Left Side Right Side Right Side Front Rear J017 Model shown is the J017 other models...

Page 44: ...ross Section Left Side View 1 2 1st Registration Sensor Transfer Belt 2nd Registration Sensor Cooling Fan Horizontal Motor Duplex Unit Print Head Unit Envelope Selector Ink Supply Unit Operation Panel...

Page 45: ...ross picture above from left to right and back with resting place over Maintenance Unit where the heads are capped to prevent them from drying out Cross Section Front View 2 2 Right Ink Sump Paper Sta...

Page 46: ...s see the service manual Electrical Components J017 J018 J019 1 5 J017 J019 J021 1st Registration Sensor Mounted on Carriage Unit Print Heads 2nd Registration Sensor Rear Jam Removal Door Switch Paper...

Page 47: ...cal Encoder Sensor Paper Feed Clutch SENC Sub Scan ENCoder Rear Plate Duplex Unit Switch Ink Level Sensor Carriage Position Sensor Air Release Solenoid Horizontal Motor Electrical Components J017 J018...

Page 48: ...J018 Slide 48 Electrical Components J018 3 5 Vertical Motor SENC Sub Scan Encoder Jam Wheel Cover Sensor Right Front Cover Switch Paper End Sensor 2nd Registration Sensor Duplex Unit Cover Switch Dupl...

Page 49: ...J021 J023 J018 Slide 49 Electrical Components J018 4 5 Cooling Fan Control Board DIB Duplex Interface Board HVPS High Voltage Power Switch PSU Power Supply Unit Ink Pump Motors x6 CCB Cartridge Contr...

Page 50: ...1 J023 J018 Slide 50 Electrical Components J018 5 5 Paper Feed Clutch Vertical Encoder Sensor 1st Registration Sensor HRB Head Relay Board Maintenance Motor Maintenance Unit HP Sensor Ink Collector OP...

Page 51: ...NIC is an integrated part of the controller board NIC is separate board from controller board No NIC The J017 J023 controller has the NIC mounted on the CTL board This controller is not PCL compatible...

Page 52: ...52 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 52 J017 J019 J021 J018 J023 Service Training 5 Image Processing No additional notes...

Page 53: ...53 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 53 Image Processing No additional notes...

Page 54: ...54 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 54 J017 J019 J021 J018 J023 Service Training 6 Print Heads No additional notes...

Page 55: ...level is controlled by a combination of input from electrical sensor pins detecting excess air lack of ink and mechanical feeler arms attached to tank bellows Redesigned electrical ink level detection...

Page 56: ...de 56 Wide print heads 32 3 mm 1 27 enable faster printing due to large area printed with each pass of the heads There are four print heads each with two rows for ink output Note J018 has four heads P...

Page 57: ...ing PZT expand Expansion of PZT puts pressure on ink forcing it out of ejection port This is a unique design that has several technical advantages over bubble jet printers such as faster printing spee...

Page 58: ...G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 58 Under magnification right with head cover removed staggered alignment of ink output holes can be seen Nozzles 2 2 Ink Output Holes...

Page 59: ...Level Feelers 1 2 Each print head tank feeler arm passes through ink level sensor as carriage passes Near End indicated by software count of number of prints head cleaning actions etc Ink detection sy...

Page 60: ...r air purge preset amount of ink is first pumped into head tanks and then Carriage Unit moves so Ink Level Sensor can detect arm positions When arm positions indicate that ink has not risen in head ta...

Page 61: ...019 J021 J023 J018 Slide 61 Air Release Solenoid Air release arm pushes the air release valves both channels of two channel heads opened together when performing Air Purge Filling Ink Level Feeler Pin...

Page 62: ...valve is opened during filling until prescribed time Air release valve closes Ink pump motors run in reverse momentarily to create vacuum in head tank Optimal arm position is set J017 J019 J021 J023...

Page 63: ...63 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 63 J017 J019 J021 J018 J023 Service Training 7 Ink Supply No additional notes...

Page 64: ...s high color image quality on plain paper at fast printing speeds Viscous Ink Penetration Dries quickly Supports high speed printing No stain on back of print out Enables high speed duplex printing Vi...

Page 65: ...und 20 when printing in duplex Reason GelJet ink is more viscous than typical ink jet ink but still seeps into paper more than laser printers toner and ink density reduction results in better looking...

Page 66: ...k Cartridges 1 3 Notice how the four cartridges have different shapes see A D above ensuring that each color cartridge will only fit into the correct slot D C B A M size Machines come with four starte...

Page 67: ...M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 67 Ink Cartridges 2 3 Different mechanical keys at end of new type cartridges safeguard against using wrong generation cartridges in machine K...

Page 68: ...68 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 68 Ink Cartridges 3 3 ID Chip Ink Out ID Chip No additional notes...

Page 69: ...for each ink cartridge IC chip are shown here Mechanical type carriage keys prevent the wrong type of cartridge from being inserted Ink Cartridge Type Keys Old 1 2 Carriage Type Keys Old Set Sensor Co...

Page 70: ...achine Codes J017 J019 J021 J023 J018 Slide 70 New shape Carriage type Keys prevent older style cartridges from being used and new type cartridges from being used in older machines Ink Cartridge Type...

Page 71: ...W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 71 Dual ink tank system enables Changing print cartridges without changing heads Print cartridge replacement without running the head s out of ink H...

Page 72: ...es J017 J019 J021 J023 J018 Slide 72 Ink Flow Two Head Old 1 4 Two motor four pump design Used in two head models prior to J017 J019 J021 J023 Head Tanks HT 1 4 Sensor Pins AS 1 4 Feeler Arms F 1 4 Pr...

Page 73: ...17 J019 J021 J023 J018 Slide 73 Ink Flow Two Head New 2 4 Four motor reversible four pump design Used in current two head models J017 J019 J021 J023 Head Tanks HT 1 4 Sensor Pins AS 1 4 Feeler Arms F...

Page 74: ...Flow Four Head Old 3 4 Three motor six pump design Used in four head models prior to J018 Colors can be laid down in the same order in both directions assisting quality color output Sensor Pins AS 1...

Page 75: ...ensor Pins AS 1 6 Feeler Arms F 1 6 Head Tanks HT 1 6 Print Heads H 1 4 Ink Cartridges CT 1 4 Ink Pump Motors IM 1 6 Magenta Yellow Black Cyan Left to right pass Right to left pass MYC MYC MCY MCY YCM...

Page 76: ...Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 76 Ink Supply Unit 1 2 Notice ink supply motors attached to back of Ink Supply Unit Ink Supply Motors Bidirectional J017...

Page 77: ...Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 77 View of Ink Supply Unit component parts Motors J017 J019 J021 J023 Ink Supply Unit 2 2 No addi...

Page 78: ...G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 78 Ink Pumps 1 4 Ink pumps for new machine have been completely redesigned Rubber seal in cap on end of spring prevents ink from leaking down outs...

Page 79: ...G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 79 Ink Pumps 2 4 New design reversible pumps have one motor per pump with each color having its own motor pump example above Ink...

Page 80: ...efore Ink is pumped as the off center cam rotates squeezing ink through the tube wrapped around the cam New design is bidirectional enabling head tank vacuum creation when run in reverse Previous desi...

Page 81: ...81 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 81 View of Ink Pump component parts Ink Pumps 4 4 No additional notes...

Page 82: ...g Ink supply sequence performed every time printer is switched on Normal Filling Machine monitors level of ink in each ink tank during printer operation and replenishes ink supply when ink level drops...

Page 83: ...r Purge Filling Sensor pins trigger pump time out during filling Near End Ink inside the cartridge is almost empty Ink cartridge level drops below 20 Software count Final End Ink inside the head tank...

Page 84: ...below for Black K shows progression in display from full on left to empty on right At 100 ink cartridge is between 81 and 100 full 0 display is cartridge near end alert Printing is still possible unti...

Page 85: ...1 J023 J018 Slide 85 Display Count Ink Cartridge Replacements 7300 CART CHG CNT K K Black 7301 CART CHG CNT C C Cyan 7302 CART CHG CNT M M Magenta 7303 CART CHG CNT Y Y Yellow Use the above SP codes t...

Page 86: ...Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 86 J017 J019 J021 J018 J023 Service Training 8 Print Head Maintenance No additional not...

Page 87: ...des J017 J019 J021 J023 J018 Slide 87 Needle plugs into sealed Ink Collector Unit newly designed since last model Ink Collector Unit Needle J017 J019 J021 J023 Maintenance Unit 1 6 Maintenance unit ab...

Page 88: ...19 J021 J023 J018 Slide 88 View of Maintenance Unit View of Maintenance Unit being removed from machine being removed from machine Right Ink Sump Maintenance Unit J017 J019 J021 J023 Maintenance Unit...

Page 89: ...d 2 cover print heads when carriage is at home position on right side of printer J018 has 4 moisture caps New machine version has larger opening among other differences Cap 2 Moisture Cap 1 Moisture S...

Page 90: ...e Unit scrapers scrape excess ink off sides of exit area directly over the Right Ink Sump Over time dried ink can build up in this area Dual scrapers move back and forth together wiping ink off Ink Sc...

Page 91: ...ine Codes J017 J019 J021 J023 J018 Slide 91 Maintenance Unit 5 6 Rubber Head Scraper of Maintenance Unit periodically rises up and scrapes excess ink off print heads Rubber Head Scraper Maintenance un...

Page 92: ...Maintenance Unit 6 6 Directional Arrow Before moving carriage unit align triangles as shown in above image to ensure Maintenance Unit parts are all retracted Note directional arrow indicating correct...

Page 93: ...ed ink in Ink Collector Unit Note Ink Collector Unit shown above is for J017 J019 J021 J023 machines J018 machine has the same type and shape of unit but larger Usage Monitor IC Chip Used Toner Needle...

Page 94: ...Ink Collector Unit Use this SP to display current software count for flushing tank s Note Near end threshold is 413 ml Display Count Tank Full Ink Collector Unit 7201 WASTE CNT R FULL Ink Collector Un...

Page 95: ...1 J023 J018 Slide 95 The Right Ink Sump is new to this machine Normally this ink sump does not need to be removed and should last for lifetime of machine Over long periods of inactivity thickened ink...

Page 96: ...del M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 96 The Right Ink Sump moves back and forth enabling even distribution of ink within the sump Left Ink Sump is stationary R...

Page 97: ...1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 97 Gear driven by Maintenance Unit motor drives gear which converts rotational movement to side to side motion Right Ink Sump Drive Gears J01...

Page 98: ...23 J018 Slide 98 SP Code for Left Ink Sump Display Count Tank Full Ink Collector Unit SP 7202 WASTE CNT L FULL Left Ink Collector Unit During printing it is sometimes necessary to eject ink into this...

Page 99: ...L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 99 User Maintenance Cleaning Flushing The term flushing for this machine has the same meaning as drive cleaning in previous machines See user...

Page 100: ...mall amount of ink ejected after 10 hours Ensuring smooth surface of ink in nozzle holes Head cleaning after one week Ink purge after one month While Printing periodically Small amount of ink ejected...

Page 101: ...s depending on how negative pressure is reestablished Maintenance Unit Air Purge Filling Resets the pressure inside the tank by releasing the air release valve Refills the head tanks Closes the air re...

Page 102: ...een Sheets Before Capping Ink purge Air Purge Filling Cleaning Normal filling O O O O O Initial filling O Flushing O O O O O O O O O O O O O O High Low Maintenance Priority Ink filling Ink suction Wip...

Page 103: ...4 For J018 only Use this SP to display total number of print head cleanings executed from printer driver and from printer operation panel Display User Flushing Count 7104 USER RF CNT H1 Print Head 1 7...

Page 104: ...104 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 104 J017 J019 J021 J023 J018 Service Training 9 Carriage Drive No additional notes...

Page 105: ...elt which is connected to the Carriage Unit Horizontal Encoder Strip parallel with Timing Belt is read by a sensor which keeps track of Carriage Unit position Carriage Drive 1 3 Horizontal Motor Drive...

Page 106: ...106 Horizontal Motor Drive Gear Horizontal Drive Motor Front Rear Horizontal Encoder Strip Vertical Encoder Wheel Periodically clean both Horizontal Encoder Strip and Vertical Encoder Wheel with soft...

Page 107: ...J017 J019 J021 J023 J018 Slide 107 Control Board HVPS Transfer Belt Carriage Unit Maintenance Unit Ink Sump J018 Notice that J018 machine is wider to accommodate the extra width of the Carriage Unit...

Page 108: ...19 J021 J023 J018 Slide 108 Registration Sensors 1 3 1st registration sensor detects leading edge of every sheet and also detects width of paper when carriage and sensor pass horizontally over vertica...

Page 109: ...om Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 109 Registration Sensors 2 3 Cover over 1st Registration Sensor is easily removed Transport Belt 1st Registration Sen...

Page 110: ...Machine Codes J017 J019 J021 J023 J018 Slide 110 Registration Sensors 3 3 2nd registration sensor detects leading and trailing edge of each sheet during high speed printing Printer uses this informati...

Page 111: ...td http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 111 J018 can replace with carriage unit alone J017 J019 J021 J023 J018 Service Part Setting No add...

Page 112: ...full details see the service manual The service part number is different for the kit for the J023 Ink tube is longer Carriage Unit Replacemnt Kit 1 2 Carriage Unit Replacement Kit 1 2 J017 J019 J021 J...

Page 113: ...a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 113 The above items are included in the Carriage Replacement Kit for the J018 For full details see the service manual Carriage Uni...

Page 114: ...overs 6 Release ink supply unit 4 Remove operation panel 5 Remove front cover Inner cover Upper cover Right cover Ink cartridge cover 7 Change Envelope lever 9 Remove encoder strip 10 Attach jigs 11 U...

Page 115: ...software settings 2 Remove output tray 3 Remove covers 4 Insert sheet Inner cover Upper cover Right cover 7 Change Envelope lever 9 Remove encoder strip 10 Attach jigs 11 Unlock Pull out guide rod 12...

Page 116: ...116 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 116 J017 J019 Service Training 10 Paper Feed No additional notes...

Page 117: ...G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 117 Paper path Bypass Unit Paper Feed Rollers Pick up Roller Duplex Unit Output Tray Tray 3 Tray 2 Tray 1 Print Head Unit J018 Only J0...

Page 118: ...achine Codes J017 J019 J021 J023 J018 Slide 118 Transport Belt Highly accurate print images J017 J019 J018 J023 simplex duplex J021 simplex only Laser like printable area with bottom margin 4 2 mm Rol...

Page 119: ...8 Slide 119 Vertical Timing 1 2 Machine is able to accurately gauge position of paper on Transport Belt by reading markings on Vertical Encoder which is connected to transport belt as shown in above d...

Page 120: ...Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 120 Vertical Timing 2 2 Vertical Encoder Sensor Vertical Encoder Wheel No additional no...

Page 121: ...pply charges the roller below the transport belt Charge Roller then applies charge to Transfer Belt Static charge holds paper in place Temperature humidity sensor below transport belt monitors tempera...

Page 122: ...to 35 C 32 F to 95 F Adjusted in 2 5 C 4 5 F steps Humidity 0 to 100 Adjusted in 10 steps Feedback from temperature humidity sensor is used to charge width applied to transport belt below print heads...

Page 123: ...ing heads generate a slight amount of ink mist as byproduct of printing process This mist adheres to head surface due to static charge effect on feeding belt which varies depending on type of paper us...

Page 124: ...ving leak detection signal from HVPS High Voltage Power Supply during printer operation When charge leak is detected Voltage supply from HVPS is interrupted immediately Printer stops current job in pr...

Page 125: ...125 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 125 J017 J019 J021 J023 J018 Service Training 11 Duplex Unit No additional notes...

Page 126: ...sides of Duplex Unit standard Note that Front Back Top Bottom labels are from point of view of looking at rear of machine Rear cover can be opened while Duplex Unit is attached to machine Duplex Unit...

Page 127: ...G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 127 Duplex Unit snaps into place via spring loaded hooks without having to manually set the hooks Duplex Unit 2 2 Duplex Unit Release Hooks Back o...

Page 128: ...8 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 128 J017 J019 J021 J023 J018 Service Training 12 Peripheral Devices No additional note...

Page 129: ...1 Machine Codes J017 J019 J021 J023 J018 Slide 129 For Paper Tray Unit details see following slides Paper Tray Unit Cross Section Left Side Friction Pad Lever Friction Pad Paper Feed Rollers Smooth Ro...

Page 130: ...el M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 130 Paper Tray Unit Electrical Components PFU Control Board Paper Feed Motor Paper Feed Clutch Relay Sensor Rear Unit Switc...

Page 131: ...er cassette is inserted pegs on bottom plate arms slide up over runners on both sides of frame raising bottom plate and paper stack The Bottom Plate Spring expands and applies tension on the Bottom Pl...

Page 132: ...ler rotates it pulls sheet over friction pad If more than one sheet is picked up the friction pad will catch the lower sheet and prevent it from feeding This mechanism prevents double feeds The pick u...

Page 133: ...drops into slot in bottom tray pulling top of actuator into paper end sensor gap When actuator enters sensor gap this signals Paper End and machine will display a paper end alert on the printer Opera...

Page 134: ...023 J018 Slide 134 Paper feed motor drives pick up roller and paper feed roller Magnetic Paper Feed Clutch activates to rotate pick up roller to feed each sheet to Paper Feed Rollers Paper Tray Unit P...

Page 135: ...oller provides enough resistance to ensure that only one sheet of paper feeds The 1st feed roller 3 and 2nd feed roller 4 feed the paper to the main machine The J507 J309 J311 are much the same so the...

Page 136: ...hine Codes J017 J019 J021 J023 J018 Slide 136 Bypass Tray 2 Important Parts Cross Section View 1 Paper tray 2 Side fence 3 Pickup roller 4 1st feed roller 5 De curl roller J309 J311 6 2nd feed roller...

Page 137: ...J023 J018 Slide 137 Bypass Tray 3 Important Parts 3D View 1 Bypass feed clutch 2 Cam 3 Pickup roller 4 Bypass paper end sensor 5 Cam 6 1st feed roller 7 De curl roller J309 J311 8 2nd feed roller 9 By...

Page 138: ...er from the tray and sends it to the 1st feed roller 5 J309 only The 1st feed roller sends the paper to the de curl roller 6 The de curl roller is raised slightly higher than the other rollers so it p...

Page 139: ...n a sheet of paper enters the main machine from the bypass tray Only the 1st registration sensor 1 on the left side of the print head detects the leading edge of each sheet as it enters the printer Th...

Page 140: ...140 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 140 J017 J019 J021 J023 J018 Service Training 13 Maintenance No additional notes...

Page 141: ...ad Cleaning and Adjustment Print Head Cleaning and Adjustment Preparing for Test Printing Nozzle Check Nozzle Check Pattern Nozzle Coverage Check Pattern Ctrl Shift 3 Color Demo Print Print Head Clean...

Page 142: ...21 J023 J018 Slide 142 Cleaning Most Frequently Necessary Maintenance Unit Cleaning Transport Belt Cleaning Horizontal Encoder Strip Cleaning Other Items to Clean Feed Roller Cleaning Friction Pad Cle...

Page 143: ...d tip of screwdriver to clean inside and around right air vent and suction cap 3 Procedures for J018 are the same but there are four head caps 1 2 3 J017 J019 J021 J023 The damp cloth prevents scratch...

Page 144: ...del M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 144 Transport Belt Cleaning Jam Feed Wheel Rotate jam feed wheel enough to progressively expose all sections of transport...

Page 145: ...re Dampen small piece of clean linen cloth with a little alcohol Never use cotton tissue or any type of material that leaves fibers Gently wipe horizontal encoder strip in one direction only Never app...

Page 146: ...146 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 146 J017 J019 J021 J023 J018 Service Training 14 Troubleshooting No additional notes...

Page 147: ...this and the following two slides Print nozzle check pattern Is there a buildup of ink on right side Has there been a similar condition before Are white lines evenly spaced Perform flushing and print...

Page 148: ...nes on this and preceding following slides A Perform flushing and print nozzle check pattern Solved Y N After 5 10 minutes perform flushing and print nozzle check pattern Solved Y N End Replace with n...

Page 149: ...tend to happen every morning or after long idle periods N Y Has it been more than six months since the ink cartridge was installed Y N Any color missing from nozzle check pattern Y Y Is recycled pape...

Page 150: ...1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 150 Recommended Reference Material For a thorough understanding of the machine and best trouble shooting procedures spend some time studying Servic...

Page 151: ...151 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 151 J017 J019 J021 J023 J018 Service Training 15 Service Remarks No additional notes...

Page 152: ...as pair J018 Carriage Unit only without changing the Ink Supply Unit At future date all machines will have J018 type Carriage Unit The following parts however are considered irreplaceable If a defect...

Page 153: ...153 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 153 J017 J019 J021 J023 J018 Service Training 16 Appendix No additional notes...

Page 154: ...J021 J023 J018 Slide 154 Arrows stamped into sides of parts circled above indicate correct side and orientation of parts Note Some older machines do not have the arrows in which case extra caution is...

Page 155: ...Machine Codes J017 J019 J021 J023 J018 Slide 155 Caution When installing new Ink Carriage Unit the timing belt must be properly attached For details see the service manual Timing Belt Attachment Timi...

Page 156: ...Carefully note order and placement of ink lines as they must be placed exactly in the order shown above Ink Tube Order 6 5 4 3 2 1 6 1 2 3 4 5 Back to Replacement Flow Note Be certain that there is n...

Page 157: ...157 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 157 J017 J019 J021 J023 J018 Service Training 17 Energy Saving No additional notes...

Page 158: ...23 J018 Slide 158 Promote Use of Energy Saving Features Energy Saver Mode Proper use of energy saver modes saves energy and is environmentally friendly Duplex Settings Use of Duplex settings reduces a...

Page 159: ...y Saver Mode1 30 sec This can be only turned on or off Energy Saver Mode2 1 to 240 min This can be turned on or off and timer setting is adjustable default 1min Return to Stand by Mode Energy Saver Mo...

Page 160: ...ter Default is 5 minutes Setting can be changed within a range of 5 to 60 minutes After selected time has elapsed machine will enter Sleep Mode Return to Standby Mode Machine returns to standby mode f...

Page 161: ...017 J019 J021 J023 J018 Slide 161 Duplexing and combine functions reduce amount of paper used Less energy overall is used for paper production which helps the environment Duplex Reduce paper volume by...

Page 162: ...counter For one duplex page total counter goes up by 2 For a duplex job of a three page original total counter goes up by 3 Duplex counter counts pages with images on both sides For one duplex page du...

Page 163: ...163 Ricoh Co Ltd http www ricoh com Model M G1a M G1b M G1L M G1W R G1 Machine Codes J017 J019 J021 J023 J018 Slide 163 End of Course No additional notes...

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