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... Wire ...III-23 ii SAFETY PRECAUTIONS III-1 2. DISASSEMBLY FLOW...III-2 3. 2.2.2 Paper Registration ...II-18 2.2.3 Paper Eject ...II-19 2.3 Sensors...II-20 2.3.1 Cover Sensor...II-20 2.3.2 Toner Empty Sensor...II-20 2.4 Drum Unit...II-21 2.4.1 Photosensitive Drum...II-21 2.4.2 Primary Charger ...II-21 2.4.3 Developer Roller ...II-21 2.4.4 Transfer Roller ...II-21 2.4.5 Cleaner...
... Wire ...III-23 ii SAFETY PRECAUTIONS III-1 2. DISASSEMBLY FLOW...III-2 3. 2.2.2 Paper Registration ...II-18 2.2.3 Paper Eject ...II-19 2.3 Sensors...II-20 2.3.1 Cover Sensor...II-20 2.3.2 Toner Empty Sensor...II-20 2.4 Drum Unit...II-21 2.4.1 Photosensitive Drum...II-21 2.4.2 Primary Charger ...II-21 2.4.3 Developer Roller ...II-21 2.4.4 Transfer Roller ...II-21 2.4.5 Cleaner...
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4. PACKING ...III-24 CHAPTER IV MAINTENANCE AND TROUBLESHOOTING IV-1 1. Main PCB Circuit Diagram, (4/5 A-6 7. CONSUMABLE PARTS ...IV-2 2.1 Drum Unit...IV-2 2.2 Toner Cartridge...IV-2 2.3 Periodical Replacement Parts...IV-3 3. Serial No. Switch Panel/Solenoid, Bin/Relay PCB Circuit Diagram A-9 10. TROUBLESHOOTING MALFUNCTIONS IV-22 6. Descriptions ...A-1 2. Main PCB Circuit ...
4. PACKING ...III-24 CHAPTER IV MAINTENANCE AND TROUBLESHOOTING IV-1 1. Main PCB Circuit Diagram, (4/5 A-6 7. CONSUMABLE PARTS ...IV-2 2.1 Drum Unit...IV-2 2.2 Toner Cartridge...IV-2 2.3 Periodical Replacement Parts...IV-3 3. Serial No. Switch Panel/Solenoid, Bin/Relay PCB Circuit Diagram A-9 10. TROUBLESHOOTING MALFUNCTIONS IV-22 6. Descriptions ...A-1 2. Main PCB Circuit ...
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... Enhanced Printing Performance and User-Friendly Operation for Windows The dedicated printer driver and TrueTypeTM-compatible fonts for Windows DIB graphics. (It is out of your computer screen to set various printer settings including toner saving mode, custom paper size, sleep mode, gray scale adjustment...The Universal Serial Bus Interface is fully compatible with microfine toner and ten pages per inch (dpi) resolution for Microsoft® Windows 3.1 and Windows 95 are available on your printer. CHAPTER I -1 FEATURES This printer has the following features: UP to print graphics in ...
... Enhanced Printing Performance and User-Friendly Operation for Windows The dedicated printer driver and TrueTypeTM-compatible fonts for Windows DIB graphics. (It is out of your computer screen to set various printer settings including toner saving mode, custom paper size, sleep mode, gray scale adjustment...The Universal Serial Bus Interface is fully compatible with microfine toner and ten pages per inch (dpi) resolution for Microsoft® Windows 3.1 and Windows 95 are available on your printer. CHAPTER I -1 FEATURES This printer has the following features: UP to print graphics in ...
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...consumption when the printer is not in use. Popular Printer Emulation Support This printer supports four printer emulation modes, HP LaserJet 6P, Brother BR-Script Level 2, Epson FX-850, and IBM Proprinter XL. The printer consumes less than 13W when in sleep mode. Low Running Cost: The toner cartridge is ...sheet feeders and a straight paper path mechanism. The printer also supports Auto-emulation switching between HP and Epson or HP, BR-Script 2 and Epson or HP, Brother BR-Script 2 and IBM. You need to replace only the toner cartridge after around 2,200 pages, which is useful ...
...consumption when the printer is not in use. Popular Printer Emulation Support This printer supports four printer emulation modes, HP LaserJet 6P, Brother BR-Script Level 2, Epson FX-850, and IBM Proprinter XL. The printer consumes less than 13W when in sleep mode. Low Running Cost: The toner cartridge is ...sheet feeders and a straight paper path mechanism. The printer also supports Auto-emulation switching between HP and Epson or HP, BR-Script 2 and Epson or HP, Brother BR-Script 2 and IBM. You need to replace only the toner cartridge after around 2,200 pages, which is useful ...
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... from toner cartridge Life Expectancy: 20,000 pages/drum unit (4% coverage, continuous printing) at 20 pages per job 8,000 pages at 1 page per job Fujitsu MB86831 66Mhz Emulation Automatic emulation selection among HP LaserJet 5P, EPSON FX-850, and IBM Proprinter XL BR-Script Printer driver Windows 95 / WindowsTM 3.1/3.11 driver, supporting Brother...
... from toner cartridge Life Expectancy: 20,000 pages/drum unit (4% coverage, continuous printing) at 20 pages per job 8,000 pages at 1 page per job Fujitsu MB86831 66Mhz Emulation Automatic emulation selection among HP LaserJet 5P, EPSON FX-850, and IBM Proprinter XL BR-Script Printer driver Windows 95 / WindowsTM 3.1/3.11 driver, supporting Brother...
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... to 85% (non condensing) Dimensions (W x D x H) 402 (W) x 439 (D) x 274 (H) mm (when the output tray is closed.) Weight Approx. 9.6kg (21.2lb.) including the drum unit and toner cartridge Note: N The peak figure of power consumption is worked out when the halogen heater lamp is reference value and should be used inside the...
... to 85% (non condensing) Dimensions (W x D x H) 402 (W) x 439 (D) x 274 (H) mm (when the output tray is closed.) Weight Approx. 9.6kg (21.2lb.) including the drum unit and toner cartridge Note: N The peak figure of power consumption is worked out when the halogen heater lamp is reference value and should be used inside the...
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ELECTRONICS 1.1 General Block Diagram Fig. 2.1 shows a general block diagram of the HL-1070 printer. External Device CHAPTER II THEORY OF OPERATION 1. Optional RAM(SIMM) (Max. 32Mbytes) Optional I/F Board ( RS-232C) Control System Expansion Memory I/O Expansion I/O...Device External Device Low-voltage Power Supply Block High-voltage Power Supply Block Engine Control Block Operation Block (Operation Panel) Erase Lamp Laser Scanner Unit Drum Unit Transfer Block Drive Block (Stepping Motor) Paper Tray Unit Paper Feeder Manual Feed Developing Block Drum Charging Block Cleaner...
ELECTRONICS 1.1 General Block Diagram Fig. 2.1 shows a general block diagram of the HL-1070 printer. External Device CHAPTER II THEORY OF OPERATION 1. Optional RAM(SIMM) (Max. 32Mbytes) Optional I/F Board ( RS-232C) Control System Expansion Memory I/O Expansion I/O...Device External Device Low-voltage Power Supply Block High-voltage Power Supply Block Engine Control Block Operation Block (Operation Panel) Erase Lamp Laser Scanner Unit Drum Unit Transfer Block Drive Block (Stepping Motor) Paper Tray Unit Paper Feeder Manual Feed Developing Block Drum Charging Block Cleaner...
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Fig. 2.15 1.3.13 USB I/O Fig. 2.17 shows the USB interface circuit. 1.3.12 Paper Feed Motor Drive Circuit A DC motor is used for main PCB • Registration sensor 1.5 SW Panel PCB The following parts are mounted on the driver PCB. • Connectors Low-voltage, high-voltage, solenoid, main motor, toner sensor, laser, polygon motor, connector for paper feeding. Fig. 2.16 1.4 Driver PCB The following parts are mounted on the SW panel PCB. • Operation panel ........1 Key, 5 LEDs II-14
Fig. 2.15 1.3.13 USB I/O Fig. 2.17 shows the USB interface circuit. 1.3.12 Paper Feed Motor Drive Circuit A DC motor is used for main PCB • Registration sensor 1.5 SW Panel PCB The following parts are mounted on the driver PCB. • Connectors Low-voltage, high-voltage, solenoid, main motor, toner sensor, laser, polygon motor, connector for paper feeding. Fig. 2.16 1.4 Driver PCB The following parts are mounted on the SW panel PCB. • Operation panel ........1 Key, 5 LEDs II-14
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... Transfer Roller Erase Lamp Fixing Unit Pressure Roller Paper Pick-up Roller Pinch Roller Hopper Plate Paper Feed Roller Registration Sensor Lever Toner Cartridge Polygon Mirror Toner Laser Scanner Empty Sensor Supply Roller Eject Roller Eject Sensor Actuator Heat Roller Develop- Thermistor ment Roller Cleaning Roller Corona Wire Scanner Unit... Main Motor Fan Motor HighVoltage Power Supply Solenoid Resist Primary Charger (Corona Wire) Primary Charger (Grid) Developer Roller Transfer Roller SR PCB Toner Empty Sensor PCB Relay PCB Solenoid Bin Thermistor (for Heat roller...
... Transfer Roller Erase Lamp Fixing Unit Pressure Roller Paper Pick-up Roller Pinch Roller Hopper Plate Paper Feed Roller Registration Sensor Lever Toner Cartridge Polygon Mirror Toner Laser Scanner Empty Sensor Supply Roller Eject Roller Eject Sensor Actuator Heat Roller Develop- Thermistor ment Roller Cleaning Roller Corona Wire Scanner Unit... Main Motor Fan Motor HighVoltage Power Supply Solenoid Resist Primary Charger (Corona Wire) Primary Charger (Grid) Developer Roller Transfer Roller SR PCB Toner Empty Sensor PCB Relay PCB Solenoid Bin Thermistor (for Heat roller...
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2.3 Sensors 2.3.1 Cover Sensor Detects opening and closing of the top cover. Top cover Cover switch Fig. 2.25 2.3.2 Toner Empty Sensor Detects if there is installed in the toner cartridge. It also detects whether or not the drum unit is installed. (The toner cartridge is toner in the drum unit). Toner empty sensor Fig. 2.26 II-20
2.3 Sensors 2.3.1 Cover Sensor Detects opening and closing of the top cover. Top cover Cover switch Fig. 2.25 2.3.2 Toner Empty Sensor Detects if there is installed in the toner cartridge. It also detects whether or not the drum unit is installed. (The toner cartridge is toner in the drum unit). Toner empty sensor Fig. 2.26 II-20
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... approx. +1000V by an ion charge which is generated by ionization of the corona wire, which has a DC bias from the printer is generated by the primary charger. Applicable safety standards have been complied with the negatively charged drum. II-21 The flow of the... Develops the latent electrostatic image on the drum surface by the addition of the toner. 2.4.4 Transfer Roller Transfers the toner image to the paper from the drum surface. 2.4.5 Cleaner Roller Removes and recycles the toner remaining on the drum surface. 2.4.6 Erase Lamp Discharges the electrostatic latent image on...
... approx. +1000V by an ion charge which is generated by ionization of the corona wire, which has a DC bias from the printer is generated by the primary charger. Applicable safety standards have been complied with the negatively charged drum. II-21 The flow of the... Develops the latent electrostatic image on the drum surface by the addition of the toner. 2.4.4 Transfer Roller Transfers the toner image to the paper from the drum surface. 2.4.5 Cleaner Roller Removes and recycles the toner remaining on the drum surface. 2.4.6 Erase Lamp Discharges the electrostatic latent image on...
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... charges to a positive voltage during non-printing rotation of a non-magnetic toner. The toner is charged and carried from the development roller to the latent image area on the drum surface. The toner adheres to the development roller and is also made of conductive sponge rotate against...After the drum has been charged and exposed, and has received a developed image, the toner formed is not transferred onto the paper perfectly, it into a visible image. 2.5.3 Developing Developing causes the toner to be attracted to the electrostatic image on the drum so as to transform it is...
... charges to a positive voltage during non-printing rotation of a non-magnetic toner. The toner is charged and carried from the development roller to the latent image area on the drum surface. The toner adheres to the development roller and is also made of conductive sponge rotate against...After the drum has been charged and exposed, and has received a developed image, the toner formed is not transferred onto the paper perfectly, it into a visible image. 2.5.3 Developing Developing causes the toner to be attracted to the electrostatic image on the drum so as to transform it is...
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... uniformly, ready to the drum when starting or non-printing time. 2.5.5 Drum Cleaning Stage In the image transfer stage, not all the toner on the photosensitive drum is removed and collected on the cleaning roller itself. In the drum cleaning stage, the drum surface is cleaned by... the cleaning roller, so that residual toner on the drum surface is transferred onto the paper but some remains on the drum. Pressure roller Thermistor ASSY Halogen heater lamp F,,ig.2.C3le1...
... uniformly, ready to the drum when starting or non-printing time. 2.5.5 Drum Cleaning Stage In the image transfer stage, not all the toner on the photosensitive drum is removed and collected on the cleaning roller itself. In the drum cleaning stage, the drum surface is cleaned by... the cleaning roller, so that residual toner on the drum surface is transferred onto the paper but some remains on the drum. Pressure roller Thermistor ASSY Halogen heater lamp F,,ig.2.C3le1...
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Note: Never touch the inside of the scanner unit or the mirror when disassembling or reassembling. If there is any dirt or dust on the mirror, blow it off. Screw Toner Sensor PCB Tape Fig. 3.21 Scanner Unit III-13 Screw Scanner Unit Screws Main Cover Fig. 3.20 Driver PCB (3) Disconnect the three connectors from the driver PCB. (4) Remove the screw and the tape, and lift the toner sensor PCB from the scanner unit. 3.9 Scanner Unit (1) Remove the three screws. (2) Lift out the scanner unit.
Note: Never touch the inside of the scanner unit or the mirror when disassembling or reassembling. If there is any dirt or dust on the mirror, blow it off. Screw Toner Sensor PCB Tape Fig. 3.21 Scanner Unit III-13 Screw Scanner Unit Screws Main Cover Fig. 3.20 Driver PCB (3) Disconnect the three connectors from the driver PCB. (4) Remove the screw and the tape, and lift the toner sensor PCB from the scanner unit. 3.9 Scanner Unit (1) Remove the three screws. (2) Lift out the scanner unit.
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(5) Turn the scanner unit upside down and remove the screw to pull out the main PCB ASSY. Screw Scanner Unit Fig. 3.22 Toner sensor harness 3.10 Main PCB ASSY (1) Remove the four screws. (2) Hold the hooks at left and right to release the toner sensor harness. Screw Hook Screws Fig. 3.23 Main PCB ASSY Hook III-14
(5) Turn the scanner unit upside down and remove the screw to pull out the main PCB ASSY. Screw Scanner Unit Fig. 3.22 Toner sensor harness 3.10 Main PCB ASSY (1) Remove the four screws. (2) Hold the hooks at left and right to release the toner sensor harness. Screw Hook Screws Fig. 3.23 Main PCB ASSY Hook III-14
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SW panel harness 2. Toner harness 4. Note 2: The connectors should be stressed by matching the housing color and the number of pins. 3.13 Low-voltage Power Supply PCB ASSY (1) Remove ... must be inserted securely into the PCB connectors and the PCB must not be inserted by the harnesses. (2) Disconnect the eleven connectors from the PCB. Laser harness 5.
SW panel harness 2. Toner harness 4. Note 2: The connectors should be stressed by matching the housing color and the number of pins. 3.13 Low-voltage Power Supply PCB ASSY (1) Remove ... must be inserted securely into the PCB connectors and the PCB must not be inserted by the harnesses. (2) Disconnect the eleven connectors from the PCB. Laser harness 5.
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...177;10% from the rated voltage shown on the rating plate. • The printer is installed on the control panel when a toner cartridge is installed in cold weather, condensation may occur inside the printer, causing various problems as listed below: • Condensation on the optical surfaces such ... it to redistribute the toner evenly.] (4) Others Condensation: When the printer is moved from a cold room into a warm room in the printer. [If the above lamp is maintained between 20% and 80%. • The printer is not located in a dusty place. • The printer is not exposed to ...
...177;10% from the rated voltage shown on the rating plate. • The printer is installed on the control panel when a toner cartridge is installed in cold weather, condensation may occur inside the printer, causing various problems as listed below: • Condensation on the optical surfaces such ... it to redistribute the toner evenly.] (4) Others Condensation: When the printer is moved from a cold room into a warm room in the printer. [If the above lamp is maintained between 20% and 80%. • The printer is not located in a dusty place. • The printer is not exposed to ...
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...vary depending on when the drum unit is moved from a cold room to room temperature before unpacking it is nearly at 5% print coverage) Note: Toner life expectancy will take one or two hours. 1.2 Basic Procedure If a malfunction or incorrect print appears, make an initial check following the basic ...later in this section. Life expectancy: 20,000 pages at 20 pages per job 8,000 pages at 1 page per print job, etc.. 2.2 Toner Cartridge Toner low: The Data and Alarm lamps blink once every five seconds. If the drum unit is unpacked soon after it . Instruct the user to allow...
...vary depending on when the drum unit is moved from a cold room to room temperature before unpacking it is nearly at 5% print coverage) Note: Toner life expectancy will take one or two hours. 1.2 Basic Procedure If a malfunction or incorrect print appears, make an initial check following the basic ...later in this section. Life expectancy: 20,000 pages at 20 pages per job 8,000 pages at 1 page per print job, etc.. 2.2 Toner Cartridge Toner low: The Data and Alarm lamps blink once every five seconds. If the drum unit is unpacked soon after it . Instruct the user to allow...
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...unit removed? See subsection 3.3 for information about the location of the click position? I-1 Light Possible cause Density dial Toner sensing failure (printer side) Toner sensing failure (toner cartridge side) Drum connection failure High-voltage power supply PCB failure Driver PCB or main PCB failure Scanner unit failure Step...5 6 7 Check Is the density dial in the printer body and on the drum unit. Is the problem solved by repealing the scanner unit? Check if the toner sensor needs cleaning and check the toner sensor connection. Clean contact electrodes both in the center ...
...unit removed? See subsection 3.3 for information about the location of the click position? I-1 Light Possible cause Density dial Toner sensing failure (printer side) Toner sensing failure (toner cartridge side) Drum connection failure High-voltage power supply PCB failure Driver PCB or main PCB failure Scanner unit failure Step...5 6 7 Check Is the density dial in the printer body and on the drum unit. Is the problem solved by repealing the scanner unit? Check if the toner sensor needs cleaning and check the toner sensor connection. Clean contact electrodes both in the center ...
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... at 94mm (OPC drum) intervals? Result Remedy Yes Replace the drum unit. I -7 Black and blurred horizontal stripes Possible cause Scratch on the drum Toner stuck on the developer roller Scratch on the heat roller 1 Is the corona wire dirty? Yes Print several sheet and see what happens. The problem...Yes Replace the fixing unit. IV-10 If not, replace the drum unit. Yes Replace the drum unit. 5 Is the drum surface dirty with toner in the paper feed system Scratch on the drum Cleaning failure Scratch on the fixing roller SR PCB Step 1 2 Check Are the horizontal stripes at...
... at 94mm (OPC drum) intervals? Result Remedy Yes Replace the drum unit. I -7 Black and blurred horizontal stripes Possible cause Scratch on the drum Toner stuck on the developer roller Scratch on the heat roller 1 Is the corona wire dirty? Yes Print several sheet and see what happens. The problem...Yes Replace the fixing unit. IV-10 If not, replace the drum unit. Yes Replace the drum unit. 5 Is the drum surface dirty with toner in the paper feed system Scratch on the drum Cleaning failure Scratch on the fixing roller SR PCB Step 1 2 Check Are the horizontal stripes at...