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Ricoh M-G1a Service Training

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Model M-G1a/M-G1b/M-G1L/M-G1W/R-G1 Training
Machine Codes: J017/J019/J021/J023/J018
Slide 1
Revised 28 January 2010
Slide 147 deleted
Revised 19 April 2010
200 sheet multi-bypass tray (J309) added
Revised 30 May 2011
M-G1W (J023) added (including new duplex unit)
BY1020 multi-bypass tray (J311) added
TK1140 Paper Feed Unit (J308) added
Machine codes / development names / product names
J017 / M-G1a / GX e3300N
J019 / M-G1b / GX e3350N
J021 / M-G1L / GX e2600N
J023 / M-G1W / GX e7700N
J018 / R-G1 / GX e5550N
Options: Multi-bypass Tray BY1000 (J507)
Multi-bypass Tray BY1030 (J309)
Multi-bypass Tray BY1020 (J311)
Paper Feed Unit TK1110 (J307)
Paper Feed Unit TK1110 (J308)
Full Course - Based on previous GelJet Machines
Model: M-G1a/M-G1b/M-G1L/M-G1W/R-
G1
Machine Codes:
J017/J019/J021/J023/J018
1
Photo of:
J017/J019

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Summary of Contents for Ricoh M-G1a

  • Page 1 BY1020 multi-bypass tray (J311) added TK1140 Paper Feed Unit (J308) added Machine codes / development names / product names J017 / M-G1a / GX e3300N J019 / M-G1b / GX e3350N J021 / M-G1L / GX e2600N J023 / M-G1W / GX e7700N...

  • Page 2: Service Training

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 1) Product Outline M-G1a/M-G1b/M-G1L/M-G1W/R-G1 Slide 2 No additional notes.

  • Page 3: Product Concept

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Product Concept - 1/2 J017/J019/J021/J023/J018 Low TCO with Useful Business Specifications New level color » Unique technology for reducing cost per-page of color printing High productivity » 29 ppm (J017/J019/J021/J023) » 30 ppm (J018) Fast duplex speed (J017/J019/J018) »...
  • Page 4 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Product Concept - 2/2 J017/J019/J021/J023/J018 Eco-Friendly Low power consumption » 35 W or less 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...
  • Page 5 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Improvements (over previous model) - 1/3 J017/J019/J021/J023/J018 Improved ink New ink provides improved performance in high temperature and/or low humidity environments. The better flowing inks gel quickly, with less ink clogging, which can cause poor images or trigger errors like SC999, SC990, etc.
  • Page 6 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Improvements (over previous model) - 2/3 J017/J019/J021/J023/J018 Adjustable tilting operation panel Improved paper tray unit Easy to remove and reinsert New side fence locks More skew-resistant Tilting Operation Panel Fewer jams More compact Shorter depth (J017/J019/J021/J018/J023)
  • Page 7 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Improvements (over previous model) - 3/3 J017/J019/J021/J023/J018 Improved Duplex Unit (J017/J019/J023/J018) Automatic locks (unit automatically locks into place when pushed in) » This helps prevent paper jams caused by incorrectly inserted unit. Improved Head Maintenance New method helps to prevent clogged nozzles...

  • Page 8: Model Differences

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Model Differences - 1/2 J017/J019/J021/J023/J018 Print Heads J017/J019/J021/J023 » Two print heads (YM & BC) J018 » Four print heads (YM & BB & CC & MY) Motors & Pumps J017/J019/J021/J023 » 4 motors and 4 pumps (reversible) –...
  • Page 9 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Model Differences - 2/2 J017/J019/J021/J023/J018 Ink Cartridges J017/J019/J021/J023 » M-size only J018 » M-size 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 »...
  • Page 10 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 2) Specifications Slide 10 No additional notes.

  • Page 11: Specifications

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Specifications - 1/6 J017/J019/J021/J023/J018 Configuration Desktop Printing Method On-demand GelJet Ink printing technology Pigment-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...
  • Page 12 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Specifications - 2/6 J017/J019/J021/J023/J018 Weight J017/J019/J021 » 14 kg (30.8 lb) J023 » 19.1 kg (42.1 lb) J018 » 15.5 kg (34.1 lb) (See service manual for weights with options) Number of Print Heads J017/J019/J021/J023 » Two dual-channel, 192-nozzle heads J018 »...
  • Page 13 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Specifications - 3/6 J017/J019/J021/J023/J018 Warm-up Time J017/J019/J021/J023 » Less than 35 seconds J018 » Less than 40 seconds Printer Language J017/J021/J023 » RPCS J018/J019 » RPCS, PCL5c/6 First Print Speed (RPCS) J017/J019/J021 » Less than 6 seconds (mono) / Less than 7.5 seconds (color) J023 »...
  • Page 14 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Specifications - 4/6 J017/J019/J021/J023/J018 Ink Cartridges Black, Cyan, Magenta, & Yellow » 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 separately.
  • Page 15 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Specifications - 5/6 J017/J019/J021/J023/J018 Operating Environment Temperature: 10˚ to 32˚C (50˚F to 89.6˚F) Humidity: 15% to 80% RH Ambient Illumination: Less than 1,500 Lux » Never leave sitting in direct sunlight Ventilation: More than 30 m /hr/person in the work area Ambient Dust: Less than 0.10 mg/m...
  • Page 16 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 Specifications - 6/6 Multi-bypass tray (J507) 100 sheets Multi-bypass tray (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) Slide 16 Refer to the FSM for full specifications for the peripherals.
  • Page 17 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 3) Installation Slide 17 No additional notes.
  • Page 18 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Environment J017/J019/J021/J023/J018 Note optimal temperature & humidity ranges in the above chart. Caution: Dry (and hot) operating environments may cause higher instances of ink drying in heads. Slide 18 No additional notes.
  • Page 19 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Space Requirements (J017/J019/J021/J023) - 1/2 J017/J019/J021/J023/J018 Slide 19 No additional notes.
  • Page 20 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Space Requirements (J018) - 2/2 J017/J019/J021/J023/J018 Slide 20 No additional notes.
  • Page 21 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Installation-related Cautions J017/J019/J021/J023/J018 Starter cartridges are primarily for initialization purposes and must not be thought of as standard issue cartridges. Please understand that they will run out of ink in a much shorter span of time than regular replacement cartridges.

  • Page 22: General Installation Procedures

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 General Installation Procedures These machines and all peripherals are customer installed. See user guide for general installation procedures. Slide 22 No additional notes.

  • Page 23: Firmware Updating

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Firmware Updating J017/J019/J021/J023/J018 Firmware updates can be performed by customer via: » J017/J019/J021/J018/J023 » J017/J019/J023/J018 New firmware can be downloaded from: Firmware Download Center Ricoh Global Website Slide 23 No additional notes..
  • Page 24 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 4) Machine Overview Slide 24 No additional notes.
  • Page 25 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Machine (External) - 1/4 J017/J019/J021/J023/J018 J018 Top Cover Envelope Selector Output Tray Output Tray Black Extension Cyan Paper Tray-1 Magenta Yellow Ink Collector Unit Print Cartridges Right Front Cover Slide 25 No additional notes.
  • Page 26 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Machine (External) - 2/4 J017/J019/J021/J023/J018 Paper Feed Wheel Left Cover (of Paper Feed Wheel) J018 Slide 26 No additional notes.
  • Page 27 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Machine (External) - 3/4 J017/J019/J021/J023/J018 USB Slot Vent Ethernet Port Power Duplex Unit Inlet J018 Appearance varies slightly depending on model. Slide 27 No additional notes.
  • Page 28 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Machine (External) - 4/4 J017/J019/J021/J023/J018 Guide Board Duplex Unit J018 Slide 28 No additional notes.

  • Page 29: Operation Panels

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Operation Panels J017/J019/J021/J023/J018 EU Model NA Model Slide 29 No additional notes.
  • Page 30 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Feed Unit (J307) - 1/2 J017/J019/J021/J023/J018 500-sheet capacity Rear Unit Tray 2 / Tray 3 For J018 Only For printing on paper longer than A4/Letter size, use extension. Slide 30 No additional notes.
  • Page 31 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Feed Unit (J307) - 2/2 J017/J019/J021/J023/J018 Tray-1 Tray-2 Tray-3 Optional Trays 2 & 3 for J018 Only Up to two PFUs may be installed, as shown here. Slide 31 No additional notes.
  • Page 32 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Feed Unit TK1140 (J308) - 1/2 J017/J019/J021/J023/J018 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 units can be...
  • Page 33 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Feed Unit TK1140 (J308) - 2/2 J017/J019/J021/J023/J018 The paper feed unit has a universal paper cassette. The two side fences and one bottom fence can be adjusted to hold and feed a variety of standard and custom paper sizes.

  • Page 34: Multi Bypass Tray (J507)

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Multi Bypass Tray (J507) J017/J019/J021/J023/J018 Bypass Tray Extension Bypass Tray Wheel (for jams) Slide 34 Multi bypass tray J507 holds up to 100 sheets of paper.
  • Page 35 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Multi Bypass Tray (J309) J017/J019/J021/J023/J018 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 main machine. Slide 35 Multi bypass tray J309 holds up to 200 sheets of paper.
  • Page 36 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Multi Bypass Tray (J311) – 1/2 J017/J019/J021/J023/J018 This multi bypass tray is available as an option for the J023 only. Holds up to 100 sheets of paper. Slide 36 No additional notes.
  • Page 37 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Inside - 1/5 J017/J019/J021/J023/J018 Carriage Control Board Envelope Selector Vertical Encoder Wheel Supply Unit Horizontal HVPS Encoder (High Voltage Power Supply) Guide Left J017 Sump Slide 37 Model shown is the J017 – other models are slightly different in some places.
  • Page 38 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Inside - 2/5 J017/J019/J021/J023/J018 Maintenance Unit J017 Slide 38 Model shown is the J017 – other models are slightly different in some places.
  • Page 39 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Inside - 3/5 J017/J019/J021/J023/J018 J017 Slide 39 Model shown is the J017 – other models are slightly different in some places.
  • Page 40 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Inside - 4/5 J017/J019/J021/J023/J018 J017 Slide 40 Model shown is the J017 – other models are slightly different in some places.
  • Page 41 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Inside - 5/5 On-Control-Board NIB J017/J019/J021/J023/J018 Control Board Transfer Belt HVPS J017 Slide 41 Model shown is the J017 – other models are slightly different in some places.
  • Page 42 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Underside Machine Codes: J017/J019/J021/J023/J018 J017 Friction Pad Unit Slide 42 Model shown is the J017 – other models are slightly different in some places.
  • Page 43 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: All Angles (without covers) J017/J019/J021/J023/J018 Left Side Front Right Side J017 Left Side Right Side Rear Slide 43 Model shown is the J017 – other models are slightly different in some places.
  • Page 44 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Cross Section (Left Side View) - 1/2 J017/J019/J021/J023/J018 2nd Registration Sensor 1st Registration Sensor Envelope Selector Cooling Fan Horizontal Motor Print Head Unit Ink Supply Unit Ink Cartridges Operation Panel Transfer Belt Output Tray Duplex Unit...
  • Page 45 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Cross Section (Front View) - 2/2 J017/J019/J021/J023/J018 Print 1st Registration Sensor Head Horizontal Encoder Strip Unit Timing Belt Transfer Belt Right Sump Pick-up Roller Left Ink Sump Paper Stack J018 Ink Collector Unit Maintenance Unit Note that Print Head Unit moves completely across 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.
  • Page 46 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Electrical Components (J017/J018/J019) - 1/5 J017/J019/J021/J023/J018 Horizontal Encoder Sensor HRB (Head Relay Board) 1st Registration Sensor (Mounted on Carriage Unit) 2nd Registration Sensor Rear Jam Removal Thermistor Door Switch (Mounted on Carriage Unit) Print Heads Paper End Sensor...
  • Page 47 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Electrical Components (J017/J018/J019) - 2/5 J017/J019/J021/J023/J018 SENC (Sub Scan ENCoder) Horizontal Motor Vertical Motor Vertical Encoder Sensor Paper Feed Clutch Jam Wheel Cover Switch Control Board Air Release Ink Level Sensor Solenoid HVPS Rear Plate Carriage...
  • Page 48 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Electrical Components (J018) - 3/5 J017/J019/J021/J023/J018 Vertical Encoder Wheel Paper End Sensor SENC (Sub-Scan Encoder) 2nd Registration Sensor Duplex Unit Cover Switch Jam Wheel Cover Sensor Vertical Motor Duplex Switch (J017/J018/J019) Rear Plate Switch J018 (J021)
  • Page 49 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Electrical Components (J018) - 4/5 J017/J019/J021/J023/J018 Cooling Fan HVPS (High Voltage Power Switch) DIB (Duplex Interface Board) Control Board Top Cover Switch Air Release Solenoid Ink Level Sensor PSU (Power Supply Unit) Carrier Position Sensor Ink Pump Motors (x6)
  • Page 50 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Electrical Components (J018) - 5/5 J017/J019/J021/J023/J018 Horizontal Motor Vertical Encoder Sensor Paper Feed Clutch 1st Registration Sensor HRB (Head Relay Board) Maintenance Motor Maintenance Unit HP Sensor J018 Ink Collector WTR (Waste Tank Relay) Board OPU (Operation Panel Unit) PCB...
  • Page 51 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Controllers J017/J019/J021/J023/J018 J017/J023 J021 J018/J019 CPU - TX4956 No NIC NIC is an integrated part of the controller board NIC is separate board from controller board RTC - (Real Time Clock) Beginning with these models, new clock is embedded in controller board.

  • Page 52: Service Training

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 5) Image Processing Slide 52 No additional notes.

  • Page 53: Image Processing

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Image Processing J017/J019/J021/J023/J018 Slide 53 No additional notes.
  • Page 54 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 6) Print Heads Slide 54 No additional notes.
  • Page 55 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Redesigned Print Heads - 1/2 • Air Release Ink Inputs J017/J019/J021/J023/J018 Valves have been redesigned (see Ink level monitored next slide) with electrically via sensor pins filter to block dust in head tank. from entering. Air Release Valves •...
  • Page 56 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Print Heads - 2/2 J017/J019/J021/J023/J018 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.
  • Page 57 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Nozzles - 1/2 J017/J019/J021/J023/J018 Add Electric Voltage Big drop Small drop Each print head uses piezo-electric elements (PZT), which force ink from ink reservoirs, out of ink nozzles, and then onto paper. This is done with pressure. At prescribed time, electric charge is applied to PZT, making PZT expand.
  • Page 58 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Nozzles - 2/2 J017/J019/J021/J023/J018 Head (without cover) Ink Output Holes (Nozzles) Under magnification (right - with head cover removed), staggered alignment of ink output holes can be seen. Slide 58 No additional notes.
  • Page 59 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Level Feelers - 1/2 J017/J019/J021/J023/J018 Front Back Ink Level Feelers Ink Level Sensor 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.
  • Page 60 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Level Feelers - 2/2 J017/J019/J021/J023/J018 Ink Level Sensor Back Front (Tips of) Ink Level Back Front Feeler Arms When refilling tanks after 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.

  • Page 61: Air Release Solenoid

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Air Release Solenoid J017/J019/J021/J023/J018 Air Release Front Air Release Solenoid Ink Level Feeler Pin Path Ink Level Sensor Back Air release arm pushes the air release valves (both channels of two-channel heads opened together) when performing Air Purge Filling.
  • Page 62 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Print Head Mechanical Feeler Position Calibration J017/J019/J021/J023/J018 Mechanical arms ("feelers" - attached to bellows on each print head - one arm per color) are calibrated at first filling for full position. Periodically, these feeler positions need to be recalibrated.
  • Page 63 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 7) Ink Supply Slide 63 No additional notes.
  • Page 64 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: GelJet Technology J017/J019/J021/J023/J018 Advanced Gel technology provides 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 »...
  • Page 65 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Photo & Text Ink Density J017/J019/J021/J023/J018 Condition: Note that density of both images and text is reduced by around 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 duplex prints.

  • Page 66: Ink Cartridges

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Cartridges - 1/3 J017/J019/J021/J023/J018 M-size Notice how the four cartridges have different shapes (see A-D above) - ensuring that each color cartridge will only fit into the correct slot. Slide 66 Machines come with four starter print cartridges for installation (note that these...
  • Page 67 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Cartridges - 2/3 J017/J019/J021/J023/J018 Different mechanical keys at end of new type cartridges safeguard against using wrong generation cartridges in machine. Slide 67 No additional notes.
  • Page 68 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Cartridges - 3/3 J017/J019/J021/J023/J018 ID Chip Ink Out ID Chip Slide 68 No additional notes.
  • Page 69 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Cartridge-Type Keys (Old) - 1/2 J017/J019/J021/J023/J018 Contacts for each ink cartridge IC chip are shown Set Sensor here. Contacts Mechanical type carriage keys prevent the wrong type of cartridge from being inserted. Carriage Type Keys (Old) Slide 69 Note: These photos are from previous machine.
  • Page 70 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Cartridge-Type Keys (New) - 2/2 J017/J019/J021/J023/J018 J017/J019/J021 Carriage Type Keys (New) New shape Carriage-type Keys prevent older style cartridges from being used (and new type cartridges from being used in older machines). Slide 70 No additional notes.
  • Page 71 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Dual-Tank System J017/J019/J021/J023/J018 Head Tanks Dual ink tank system enables Changing print cartridges without changing heads Print cartridge replacement without running the head(s) out of ink. No additional notes. Print Cartridges Slide 71...
  • Page 72 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Flow (Two Head - Old) - 1/4 J017/J019/J021/J023/J018 Sensor Pins (AS 1-4) Feeler Arms (F 1-4) Ink Pump Motors (IM 1-2) Head Tanks (HT 1-4) Print Heads (H 1-2) No additional notes. Two-motor, four-pump design.
  • Page 73 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Flow (Two Head - New) - 2/4 J017/J019/J021/J023/J018 Sensor Pins (AS 1-4) Ink Pump Feeler Motors Arms (IM 1-4) (F 1-4) Head Tanks (HT 1-4) Print Heads (H 1-2) No additional notes. Four-motor, (reversible) four-pump design.
  • Page 74 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Flow (Four Head - Old) - 3/4 J017/J019/J021/J023/J018 Sensor Ink Pump Pins Motors (AS 1-6) (IM 1-3) Feeler Arms (F 1-6) Head Tanks (HT 1-6) Print Heads (H 1-4) No additional notes. Three-motor, six-pump design.
  • Page 75 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Flow (Four Head - New) - 4/4 J017/J019/J021/J023/J018 Sensor Ink Pump Pins Motors (AS 1-6) (IM 1-6) Feeler Arms (F 1-6) Head Tanks (HT 1-6) Print Heads (H 1-4) Cartridges Six-motor, (reversible) six-pump design. Magenta - Yellow - Black - Cyan...

  • Page 76: Ink Supply Unit

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Supply Unit - 1/2 J017/J019/J021/J023/J018 J017/J019/J021/J023 Ink Supply Motors (Bidirectional) Notice ink supply motors attached to back of Ink Supply Unit. Slide 76 No additional notes.
  • Page 77 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Supply Unit - 2/2 J017/J019/J021/J023/J018 View of Ink Supply Unit component parts. J017/J019/J021/J023 Motors Slide 77 No additional notes.

  • Page 78: Ink Pumps

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Pumps - 1/4 J017/J019/J021/J023/J018 Ink Input Ink Seal Ink Pump Ink pumps for new machine have been completely redesigned. (Rubber seal in cap on end of spring prevents ink from leaking down outside of needle.) Slide 78 No additional notes.
  • Page 79 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Pumps - 2/4 J017/J019/J021/J023/J018 Ink Input Pump Ink Output New design (reversible) pumps have one motor per pump, with each color having its own motor & pump (example above). Slide 79 No additional notes.
  • Page 80 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Pumps - 3/4 J017/J019/J021/J023/J018 Ink Out Motor Ink In Pump Cam Bearing Pump Cam Gears Ink pumps for new machine have been completely redesigned. Each ink color now has its own motor (whereas one motor powered two pumps before).
  • Page 81 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Pumps - 4/4 J017/J019/J021/J023/J018 View of Ink Pump component parts. Slide 81 No additional notes.

  • Page 82: Ink Filling

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Filling J017/J019/J021/J023/J018 There are three basic ink supply operations. Initial Filling 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 below prescribed level.
  • Page 83 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Near End & Ink End Detection Processes J017/J019/J021/J023/J018 Normal Operation Ink cartridge level drops below 20% (Software count) Near End (Ink inside the cartridge is almost empty) During Normal Filling: 1) Feeler/ink level sensor triggers pump time-out...
  • Page 84 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Operation Panel Ink Low/Ink End Indicator J017/J019/J021/J023/J018 Printer shows 7-level display that keeps operator informed about status of ink levels in tanks. Example below for Black (K) shows progression in display from full on left to empty on right.
  • Page 85 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Supply SP Codes J017/J019/J021/J023/J018 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 to display number of times (each) carriage has been replaced.

  • Page 86: Service Training

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J018/J023 Service Training 8) Print Head Maintenance Slide 86 No additional notes.

  • Page 87: Maintenance Unit

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 1/6 J017/J019/J021/J023/J018 J017/J019/J021/J023 Needle Ink Collector Unit Needle plugs into (sealed) Ink Collector Unit (newly designed since last model). Slide 87 Maintenance unit above is from the J017/J019/J021/J023 models – the J018 model...
  • Page 88 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 2/6 J017/J019/J021/J023/J018 J017/J019/J021/J023 Right Ink Sump View of Maintenance Unit View of Maintenance Unit being removed from machine. being removed from machine. Maintenance Unit Slide 88 Maintenance unit above is from the J017/J019 model – the J018 model is slightly...
  • Page 89 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 3/6 J017/J019/J021/J023/J018 J017/J019/J021/J023 Cap 2 (Moisture) Cap 1 (Moisture/Suction) Carriage Position Sensor J018 Maintenance unit keeps surface of print heads from drying out when they are not being used, and cleans print heads with suction during print head cleaning.
  • Page 90 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 4/6 J017/J019/J021/J023/J018 Ink Scrapers Fall-through Area Motor J017/J019/J021/J023 Maintenance 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.
  • Page 91 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 5/6 J017/J019/J021/J023/J018 Rubber Head-Scraper Rubber Head Scraper of Maintenance Unit periodically rises up and scrapes excess ink off print heads. Slide 91 Maintenance unit above is from the J017/J019 models – the J018 model is slightly...
  • Page 92 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit - 6/6 J017/J019/J021/J023/J018 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 direction (counter-clockwise) to turn screwdriver.) Never turn this in the wrong (clockwise) direction.

  • Page 93: Ink Collector Unit

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Collector Unit - 1/2 J017/J019/J021/J023/J018 Rear side of chip J017/J019/J021 (J018 Ink Collector Unit is wider.) Usage Monitor IC Chip Used Toner Needle Input Used ink is pumped into (sealed) Ink Collector Unit. Usage Monitor IC Chip monitors calculated amount of used ink in Ink Collector Unit.
  • Page 94 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Collector Unit - 2/2 J017/J019/J021/J023/J018 Display Software Count: Near End for Ink Collector Unit 7200 WASTE CNT:R:NEAR Ink Collector Unit » Use this SP to display current software count for flushing tank(s). » Note: Near-end threshold is 413 ml.

  • Page 95: Right Ink Sump

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Right Ink Sump - 1/3 J017/J019/J021/J023/J018 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 is ejected into this sump as part of head-cleaning process.
  • Page 96 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Right Ink Sump - 2/3 J017/J019/J021/J023/J018 The Right Ink Sump moves back and forth - enabling even distribution of ink within the sump. Left Ink Sump is stationary Slide 96 No additional notes.
  • Page 97 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Right Ink Sump - 3/3 J017/J019/J021/J023/J018 Gear driven by Maintenance Unit motor drives gear which converts Right Ink Sump rotational movement Drive Gears to side-to-side motion. J017/J019/J021/J023 Slide 97 No additional notes.
  • Page 98 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Left Ink Sump J017/J019/J021/J023/J018 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 sump.

  • Page 99: Manual Maintenance

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Manual Maintenance J017/J019/J021/J023/J018 User Maintenance Cleaning Flushing » The term "flushing" for this machine has the same meaning as "drive cleaning" in previous machines. See user guide for details Slide 99 No additional notes.

  • Page 100: Automatic Maintenance

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Automatic maintenance J017/J019/J021/J023/J018 Before Printing (whenever heads are uncapped) Small amount of ink ejected » Ensuring smooth surface of ink in nozzle holes After Idle Time Small 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）...
  • Page 101 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Air Purge Filling J017/J019/J021/J023/J018 What is Air Purge Filling? In order to eject the ink properly from the print head, it is necessary to maintain negative pressure (with respect to the surrounding air) inside the head tank. If negative pressure is lost, the ink can leak out from the nozzle and adversely affect the image quality.
  • Page 102 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Mode Sequence J017/J019/J021/J023/J018 Maintenance Mode Sequence Maintenance Initial Normal Flushing Air Purge Filling Cleaning Modes filling purge filling Piezo element Draw Start activation with suction Air bubble suction Negative pressure Sequence Negative pressure purge restoration...
  • Page 103 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Cleaning Count SP Codes J017/J019/J021/J023/J018 Display User Cleaning Count 7100 USER CL CNT:H1 Print Head 1 7101 USER CL CNT:H2 Print Head 2 7102 USER CL CNT:H3 Print Head 3 (For J018 only) 7103 USER CL CNT:H4 Print Head 4 (For J018 only) Use this SP to display total number of print head cleanings executed from printer driver and from printer operation panel.

  • Page 104: Service Training

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 9) Carriage Drive Slide 104 No additional notes.

  • Page 105: Carriage Drive

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Carriage Drive - 1/3 J017/J019/J021/J023/J018 Horizontal Motor Drive Gear Timing Belt Guide Rod Carriage Unit Horizontal Encoder Strip J017/J019/J021 Horizontal Motor drives the Timing Belt, 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.
  • Page 106 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Carriage Drive - 2/3 J017/J019/J021/J023/J018 Rear Front Vertical Encoder Wheel Horizontal Motor Horizontal Drive Gear Drive Motor J017/J019/J021/J023 Horizontal Encoder Strip Periodically clean both Horizontal Encoder Strip and Vertical Encoder Wheel with soft cloth. Slide 106...
  • Page 107 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Carriage Drive - 3/3 J017/J019/J021/J023/J018 Maintenance Unit Ink Sump Control Board Carriage Unit HVPS J018 Transfer Belt Notice that J018 machine is wider to accommodate the extra width of the Carriage Unit, Maintenance Unit, and Left Ink Sump.

  • Page 108: Registration Sensors

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Registration Sensors - 1/3 J017/J019/J021/J023/J018 Front Back 1st Registration Sensor (cover on) 1st registration sensor detects leading edge of every sheet, and also detects width of paper when carriage and sensor pass horizontally over vertical edge of paper as it feeds.
  • Page 109 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Registration Sensors - 2/3 J017/J019/J021/J023/J018 Cover over 1st Registration Sensor is easily removed. 1st Registration Sensor (cover off) Transport Belt Slide 109 No additional notes.
  • Page 110 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Registration Sensors - 3/3 J017/J019/J021/J023/J018 2nd Registration Sensor 2nd registration sensor detects leading and trailing edge of each sheet during high speed printing. Printer uses this information for print control timing. Slide 110 No additional notes.
  • Page 111 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Service Part Setting J017/J019/J021/J023/J018 J018 J017/J019/J021/J023 J018 can replace with carriage unit alone Slide 111 No additional notes.
  • Page 112 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Carriage Unit Replacement Kit - 1/2 J017/J019/J021/J023/J018 J017/J019/J021/J023 Carriage Unit Replacemnt Kit - 1/2 The above items are included in the Carriage Replacement Kit for the J017/J019/J021/J023. For full details, see the service manual. The service part number is different for the kit for the J023. (Ink tube is longer)
  • Page 113 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Carriage Unit Replacement Kit - 2/2 J017/J019/J021/J023/J018 J018 The above items are included in the Carriage Replacement Kit for the J018. For full details, see the service manual. Slide 113 No additional notes.
  • Page 114 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Replacement Flow - 1/2 Common J017/J019/J021/J023 J017/J019/J021/J023/J018 Unique Start 9. Remove encoder strip 1. Remove paper tray 10. Attach jigs 2. Remove output tray 11. Unlock/Pull out guide rod Stay Plates 3. Remove covers ● Inner cover 12.
  • Page 115 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Replacement Flow - 2/2 Common J017/J019/J021/J023/J018 Unique Start J018 10. Attach jigs 1. Remove paper tray 2. Remove output tray 11. Unlock/Pull out guide rod 3. Remove covers 12. Remove belt ● Inner cover ● Upper cover 13.
  • Page 116 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019 Service Training 10) Paper Feed Slide 116 No additional notes.

  • Page 117: Paper Path

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper path J017/J019/J021/J023/J018 Print Head Bypass Unit Unit J018 J507, J309, or J311 Output Tray Duplex Unit Tray-1 Paper Feed Rollers Tray-2 J018 Only Pick-up Roller Tray-3 J018 Only Slide 117 No additional notes.

  • Page 118: Transport Belt

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Transport Belt J017/J019/J021/J023/J018 Roller feeding system Belt Transfer system （Competitors） Highly accurate print images J017/J019/J018/J023 (simplex & duplex) J021 (simplex only) No additional notes. Laser-like printable area (with bottom margin 4.2 mm) Slide 118...

  • Page 119: Vertical Timing

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Vertical Timing - 1/2 J017/J019/J021/J023/J018 Paper Vertical Encoder Disk Transport Belt Vertical Motor Vertical Encoder Sensor 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 diagram.
  • Page 120 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Vertical Timing - 2/2 J017/J019/J021/J023/J018 Vertical Encoder Wheel Vertical Encoder Sensor Slide 120 No additional notes.
  • Page 121 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Belt Transport System - 1/2 J017/J019/J021/J023/J018 Transport Belt This machine uses a Belt Transport System (BTS) to move paper. HVPS (High Voltage Power Supply) charges the roller below the transport belt. Charge Roller then applies charge to Transfer Belt...
  • Page 122 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Belt Transport System - 2/2 J017/J019/J021/J023/J018 Belt charge control operates within following ranges: Temperature - 0˚C 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 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Useful Bit Switch Settings J017/J019/J021/J023/J018 While printing, 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 used).

  • Page 124: Charge Leak Detection

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Charge Leak Detection J017/J019/J021/J023/J018 The printer checks for charge leaks at following times: Immediately after machine is turned on. When receiving leak detection signal from HVPS (High Voltage Power Supply) during printer operation. When charge leak is detected: Voltage supply from HVPS is interrupted immediately.
  • Page 125 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 11) Duplex Unit Slide 125 No additional notes.

  • Page 126: Duplex Unit

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Duplex Unit - 1/2 J017/J019/J021/J023/J018 J017/J019/J021/J018 Rear Cover Release (for jam clearing) Duplex Unit Release Tabs Front Bottom Back All four sides of Duplex Unit (standard) Note that Front/Back/Top/Bottom labels are from point-of-view of looking at rear of machine.
  • Page 127 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Duplex Unit - 2/2 J017/J019/J021/J023/J018 J017/J019/J021/J018 Duplex Unit Release Hooks Back of (removed) Duplex Unit Duplex Unit snaps into place (via spring-loaded hooks) without having to manually set the hooks. Slide 127 No additional notes.
  • Page 128 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 12) Peripheral Devices Slide 128 No additional notes.
  • Page 129 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Cross Section (Left Side) J017/J019/J021/J023/J018 Pick-up Roller Paper End Sensor Smooth Roller Relay Sensor Paper Friction Friction Pad Feed Rollers Lever For Paper Tray Unit details, see following slides. Slide 129 No additional notes.
  • Page 130 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Electrical Components J017/J019/J021/J023/J018 Relay Sensor Rear Unit Switch Paper Feed Clutch Paper End Switch Paper Feed Motor PFU Control Board Slide 130 No additional notes.
  • Page 131 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Paper Feed - 1/4 J017/J019/J021/J023/J018 Bottom Plate Arm Bottom Plate Bottom Plate Spring When paper cassette is inserted, pegs on bottom plate arms slide up over runners on both sides of frame, raising bottom plate and paper stack.
  • Page 132 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Paper Feed - 2/4 J017/J019/J021/J023/J018 Pick-up Roller Paper Feed Rollers Friction Pad Pick-up Roller Nip Friction Pad Lever Paper Cassette Removing paper tray reduces pressure on friction pad, enabling easier jam clearing.
  • Page 133 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Paper Feed - 3/4 J017/J019/J021/J023/J018 Paper End Paper End Sensor Feeler (down) Paper End Sensor Sensor Feeler (up) After "Paper End" Last Paper Stack Sheet Feeds After last sheet of paper feeds, weighted bottom of actuator drops into slot in bottom tray, pulling top of actuator into paper end sensor gap.
  • Page 134 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Tray Unit - Paper Feed - 4/4 J017/J019/J021/J023/J018 Pick-up Roller Paper Feed Roller Paper Feed Motor Paper Feed Clutch 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.
  • Page 135 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Bypass Tray 1 – Paper Feed J017/J019/J021/J023/J018 The wide surface of the large pickup roller [1] pulls the paper from the tray. The friction pad [2] below the paper and pickup roller provides enough resistance to...
  • Page 136 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Bypass Tray 2 – Important Parts J017/J019/J021/J023/J018 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 [7] Friction pad [8] Stopper...
  • Page 137 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Bypass Tray 3 – Important Parts: 3D View J017/J019/J021/J023/J018 [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...
  • Page 138 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Bypass Tray 4 – Paper Transport J017/J019/J021/J023/J018 Refer to the notes below for details. Slide 138 When a print job starts: The bypass feed motor and feed clutch switch on and start to rotate the shaft of the pickup roller.
  • Page 139 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Bypass Tray 5 – Paper Detection J017/J019/J021/J023/J018 When 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.
  • Page 140 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 13) Maintenance Slide 140 No additional notes.

  • Page 141: Print Head Cleaning And Adjustment

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Print Head Cleaning and Adjustment J017/J019/J021/J023/J018 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 Cleaning Print Head Flushing...
  • Page 142 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Cleaning J017/J019/J021/J023/J018 Most Frequently Necessary: Maintenance Unit Cleaning Transport Belt Cleaning Horizontal Encoder Strip Cleaning Other Items to Clean: Feed Roller Cleaning Friction Pad Cleaning Vertical Encoder Wheel Cleaning For more details, see the service manual.

  • Page 143: Maintenance Unit Cleaning

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Maintenance Unit Cleaning J017/J019/J021/J023/J018 J017/J019/J021/J023 After removing right cover, use plus-screwdriver to align triangles [1]. Turn counter-clockwise Push envelope selector to envelope position (rear position). Push carriage to center [2]. Wrap tip of screwdriver or similar tool with piece of finely woven damp cloth.

  • Page 144: Transport Belt Cleaning

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Transport Belt Cleaning J017/J019/J021/J023/J018 Rotate jam feed wheel enough to (progressively) expose all sections of transport belt (when cleaning). Jam Feed Wheel Slide 144 No additional notes.

  • Page 145: Horizontal Encoder Strip Cleaning

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Horizontal Encoder Strip Cleaning J017/J019/J021/J023/J018 Clean horizontal encoder strip if following conditions occur: Vertical white lines on printed image Double image Broken vertical lines Cleaning Procedure Dampen small piece of clean linen cloth with a little alcohol.
  • Page 146 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 14) Troubleshooting Slide 146 No additional notes.
  • Page 147 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Image Problem Procedural Checklist - 1/3 J017/J019/J021/J023/J018 White lines in output Run cleaning and print nozzle check pattern up to three times Is there a buildup of ink on right side? Solved? Print nozzle check pattern...
  • Page 148 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Image Problem Procedural Checklist - 2/3 J017/J019/J021/J023/J018 Perform flushing and print nozzle check pattern Solved? After 5–10 minutes, perform flushing and print nozzle check pattern If left to sit overnight, Solved? air bubbles inside head tank may dissipate.
  • Page 149 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Image Problem Procedural Checklist - 3/3 J017/J019/J021/J023/J018 Does this tend to Any color missing from happen every morning nozzle check pattern? or after long idle periods? Replace with new maintenance unit Has it been more Is recycled paper...
  • Page 150 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Recommended Reference Material J017/J019/J021/J023/J018 For a thorough understanding of the machine and best trouble- shooting procedures, spend some time studying: Service Manual User guide FAQ in Global Web Site Slide 150 No additional notes.
  • Page 151 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 15) Service Remarks Slide 151 No additional notes.
  • Page 152 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Non-replaceable Parts J017/J019/J021/J023/J018 In this latest version of the GelJet printer, the Carriage Unit can be changed. J017/J019/J021/J023 - Carriage Unit & Ink Supply Unit as pair. J018 - Carriage Unit only (without changing the Ink Supply Unit).
  • Page 153 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 16) Appendix Slide 153 No additional notes.
  • Page 154 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Stay Plates J017/J019/J021/J023/J018 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 necessary to ensure correct assembly.
  • Page 155 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Timing Belt Attachment J017/J019/J021/J023/J018 Caution: When installing new Ink Carriage Unit, the timing belt must be properly attached. Timing Belt For details, see the service Attachment point manual. Back to Replacement Flow Slide 155 No additional notes.

  • Page 156: Ink Tube Order

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Ink Tube Order J017/J019/J021/J023/J018 Carefully note order and placement of ink lines, as they must be placed exactly in the order shown above. Back to Replacement Flow Slide 156 Note: Be certain that there is no pressure on the connections when installing a...
  • Page 157 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 J017/J019/J021/J023/J018 Service Training 17) Energy Saving Slide 157 No additional notes.
  • Page 158 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Promote Use of Energy Saving Features J017/J019/J021/J023/J018 Energy Saver Mode Proper use of energy saver modes saves energy and is environmentally friendly. Duplex Settings Use of Duplex settings reduces amount of paper used, which results in less energy consumption for paper production.

  • Page 159: Energy Saver Modes

    Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Energy Saver Modes - 1/2 J017/J019/J021/J023/J018 Energy Saver Modes Customers should use energy saver modes properly, to save energy and protect the environment. Energy saver mode should be utilized to save energy & protect environment. The area shaded grey in this diagram represents the amount of energy that is saved when the timers are at the default settings.
  • Page 160 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Energy Saver Modes - 2/2 J017/J019/J021/J023/J018 Timer Settings - User can set Energy Saver timer via: [Menu]> [up] or [down] "System"> [Enter]. [up] or [down]> "Energy Saver"> [Enter]. » Default is 5 minutes. » Setting can be changed within a range of 5 to 60 minutes.
  • Page 161 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Saving - 2/2 J017/J019/J021/J023/J018 Duplexing and combine functions reduce amount of paper used. Less energy overall is used for paper １ production, which helps the environment. Duplex: Reduce paper volume by 50%! １ Combine mode: １...
  • Page 162 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: Paper Saving - 2/2 J017/J019/J021/J023/J018 Duplex + Combine: １ Using both features together can further reduce paper volume by 3/4! To check paper consumption, view total counter and duplex counter. For one duplex page, total counter goes up by 2.
  • Page 163 Model: M-G1a/M-G1b/M-G1L/M-G1W/R- Machine Codes: J017/J019/J021/J023/J018 End of Course Slide 163 No additional notes.

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