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...CHAPTER III : DISASSEMBLY AND REASSEMBLY Procedures for disassembling and reassembling the mechanical system. This service manual covers the HL-1070 laser printer. DESCRIPTIONS, CONNECTION DIAGRAMS, PCB CIRCUIT DIAGRAMS. Information in service information bulletins (Technical Information). This manual consists ...required for maintaining its print quality performance and for improving the practical ability to find the cause of the laser printer (here- CHAPTER IV : MAINTENANCE AND TROUBLESHOOTING Reference values and adjustments, troubleshooting image defects, troubleshooting malfunctions, etc...
...CHAPTER III : DISASSEMBLY AND REASSEMBLY Procedures for disassembling and reassembling the mechanical system. This service manual covers the HL-1070 laser printer. DESCRIPTIONS, CONNECTION DIAGRAMS, PCB CIRCUIT DIAGRAMS. Information in service information bulletins (Technical Information). This manual consists ...required for maintaining its print quality performance and for improving the practical ability to find the cause of the laser printer (here- CHAPTER IV : MAINTENANCE AND TROUBLESHOOTING Reference values and adjustments, troubleshooting image defects, troubleshooting malfunctions, etc...
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...in its own data compression technology in 256 grayscale levels, producing nearly photographic quality. You can easily install them into the printer's memory. Use this function when you know what to get smooth text print quality. It is out of your computer...High Resolution Control & Advanced Photoscale Technology High resolution control (HRC) technology provides clear and crisp printouts. For example: when your printer is fully compatible with your application software supports the bi-directional parallel interface, you to 1200dpi Resolution and 10ppm Printing Speed True 600...
...in its own data compression technology in 256 grayscale levels, producing nearly photographic quality. You can easily install them into the printer's memory. Use this function when you know what to get smooth text print quality. It is out of your computer...High Resolution Control & Advanced Photoscale Technology High resolution control (HRC) technology provides clear and crisp printouts. For example: when your printer is fully compatible with your application software supports the bi-directional parallel interface, you to 1200dpi Resolution and 10ppm Printing Speed True 600...
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...emulation switching between HP and Epson or HP, BR-Script 2 and Epson or HP, Brother BR-Script 2 and IBM. Environment-Friendly Economy Printing Mode: This feature will cut your printer. The front Feeder 1 also allows manual paper loading, so you operate your computer ... is available on . You need to select the printer emulation, you can also use . The printer consumes less than 13W when in use labels and transparencies. Popular Printer Emulation Support This printer supports four printer emulation modes, HP LaserJet 6P, Brother BR-Script Level 2, Epson FX-850, and IBM...
...emulation switching between HP and Epson or HP, BR-Script 2 and Epson or HP, Brother BR-Script 2 and IBM. Environment-Friendly Economy Printing Mode: This feature will cut your printer. The front Feeder 1 also allows manual paper loading, so you operate your computer ... is available on . You need to select the printer emulation, you can also use . The printer consumes less than 13W when in use labels and transparencies. Popular Printer Emulation Support This printer supports four printer emulation modes, HP LaserJet 6P, Brother BR-Script Level 2, Epson FX-850, and IBM...
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...0Mbytes with the SIMM Control panel 1 switch and 5 lamps Diagnostics Self-diagnostic program I-3 SPECIFICATIONS 2.1 Printing Print method Electrophotography by semiconductor laser beam scanning Resolution 1200 (H) x 600 (V) dpi (for Windows DIB graphics) 600 x 600dpi (for Windows / DOS) 300 x... 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 Printing Solution for Windows, Brother Native Compression mode and bi-directional capability Optional Macintosh® driver available for System...
...0Mbytes with the SIMM Control panel 1 switch and 5 lamps Diagnostics Self-diagnostic program I-3 SPECIFICATIONS 2.1 Printing Print method Electrophotography by semiconductor laser beam scanning Resolution 1200 (H) x 600 (V) dpi (for Windows DIB graphics) 600 x 600dpi (for Windows / DOS) 300 x... 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 Printing Solution for Windows, Brother Native Compression mode and bi-directional capability Optional Macintosh® driver available for System...
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... has implemented regulations for products marketed in the United States. This means that the printer does not produce hazardous laser radiation. The label for Japanese manufactured products MANUFACTURED: BROTHER INDUSTRIES, LTD. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467, Japan. This ...The label for US manufactured products MANUFACTURED: BROTHER INDUSTRIES (USA) INC. 2950 Brother Blud., Bartlet, TN 38133, U.S.A. Since radiation emitted inside the printer is completely confined within the protective housings and external covers, the laser beam cannot escape from the machine during...
... has implemented regulations for products marketed in the United States. This means that the printer does not produce hazardous laser radiation. The label for Japanese manufactured products MANUFACTURED: BROTHER INDUSTRIES, LTD. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467, Japan. This ...The label for US manufactured products MANUFACTURED: BROTHER INDUSTRIES (USA) INC. 2950 Brother Blud., Bartlet, TN 38133, U.S.A. Since radiation emitted inside the printer is completely confined within the protective housings and external covers, the laser beam cannot escape from the machine during...
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... Laser Scanner Unit Drum Unit Transfer Block Drive Block (Stepping Motor) Paper Tray Unit Paper Feeder Manual Feed Developing Block Drum Charging Block Cleaner Block Toner Cartridge Image Generation System Fig. 2.1 Fixing Unit Paper Eject Block Paper Feed System II-1 ELECTRONICS 1.1 General Block Diagram Fig. 2.1 shows a general block diagram of the HL-1070 printer...
... Laser Scanner Unit Drum Unit Transfer Block Drive Block (Stepping Motor) Paper Tray Unit Paper Feeder Manual Feed Developing Block Drum Charging Block Cleaner Block Toner Cartridge Image Generation System Fig. 2.1 Fixing Unit Paper Eject Block Paper Feed System II-1 ELECTRONICS 1.1 General Block Diagram Fig. 2.1 shows a general block diagram of the HL-1070 printer...
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1.3.5 DRAM Four 16Mbit DRAM (x 16bit) are used as the printer memory. Fig. 2.7 II-8
1.3.5 DRAM Four 16Mbit DRAM (x 16bit) are used as the printer memory. Fig. 2.7 II-8
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... drum is charged to approx. +1000V by an ion charge which is generated by ionization of the corona wire, which has a DC bias from the printer is distributed evenly on the drum surface.
... drum is charged to approx. +1000V by an ion charge which is generated by ionization of the corona wire, which has a DC bias from the printer is distributed evenly on the drum surface.
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... accidentally damage parts such as wires, PCBs, and covers. (5) Before handing any PCBs, touch a metal portion of the equipment to discharge any parts inside the printer. (2) Be careful not to lose screws, washers, or other parts removed. (3) Be sure to apply grease to the gears and applicable positions specified in the...
... accidentally damage parts such as wires, PCBs, and covers. (5) Before handing any PCBs, touch a metal portion of the equipment to discharge any parts inside the printer. (2) Be careful not to lose screws, washers, or other parts removed. (3) Be sure to apply grease to the gears and applicable positions specified in the...
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Taptite, cup M3x2 Taptite, bind M4x2 Taptite, cup M3x2 Screw Taptite, cup M3x2 Base Plate ASSY Soundproof Sponge Fig. 3.24 (3) Lift the base plate ASSY and remove the grounding screw. Base Plate ASSY Ground wire Screw Fig. 3.25 Low-voltage Power Supply PCB ASSY III-15 3.11 Base Plate ASSY Note: Prior to turning the printer upside-down, ensure that the drum unit has been removed from the printer. (1) Turn the printer upside down. (2) Remove the five M4 and four M3 self tapping screws and one screw.
Taptite, cup M3x2 Taptite, bind M4x2 Taptite, cup M3x2 Screw Taptite, cup M3x2 Base Plate ASSY Soundproof Sponge Fig. 3.24 (3) Lift the base plate ASSY and remove the grounding screw. Base Plate ASSY Ground wire Screw Fig. 3.25 Low-voltage Power Supply PCB ASSY III-15 3.11 Base Plate ASSY Note: Prior to turning the printer upside-down, ensure that the drum unit has been removed from the printer. (1) Turn the printer upside down. (2) Remove the five M4 and four M3 self tapping screws and one screw.
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... : • The source voltage stays within ±10% from a cold room into a warm room in cold weather, condensation may occur inside the printer, causing various problems as listed below: • Condensation on the optical surfaces such as near water or a humidifier). • The..., take out the drum unit and slowly rock it to redistribute the toner evenly.] (4) Others Condensation: When the printer is moved from the rated voltage shown on the rating plate. • The printer is installed on a solid, level surface. • The room temperature is maintained between 20% and 80%. ...
... : • The source voltage stays within ±10% from a cold room into a warm room in cold weather, condensation may occur inside the printer, causing various problems as listed below: • Condensation on the optical surfaces such as near water or a humidifier). • The..., take out the drum unit and slowly rock it to redistribute the toner evenly.] (4) Others Condensation: When the printer is moved from the rated voltage shown on the rating plate. • The printer is installed on a solid, level surface. • The room temperature is maintained between 20% and 80%. ...
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... Clean contact electrodes both in the event of the toner cartridge is replaced with a full one? Can printing be followed in the printer body and on the drum unit. Perform the same check as step 5 above and also between the high-voltage power supply PCB and...3.2 Troubleshooting Image Defects The following procedures should be started with the drum unit removed? 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 ...
... Clean contact electrodes both in the event of the toner cartridge is replaced with a full one? Can printing be followed in the printer body and on the drum unit. Perform the same check as step 5 above and also between the high-voltage power supply PCB and...3.2 Troubleshooting Image Defects The following procedures should be started with the drum unit removed? 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 ...
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... the corona wire dirty? No Replace the driver PCB. Yes Clean the corona wire by using the wire cleaner. 3 Are the corona electrodes between the printer body and drum unit dirty? power supply PCB Main PCB Driver PCB Step Check Result Remedy 1 Is the density dial at the center click position...
... the corona wire dirty? No Replace the driver PCB. Yes Clean the corona wire by using the wire cleaner. 3 Are the corona electrodes between the printer body and drum unit dirty? power supply PCB Main PCB Driver PCB Step Check Result Remedy 1 Is the density dial at the center click position...
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.... Result Remedy Yes Clean the electrodes at both sides. No Replace the H.V. No Check the connection between the printer body and drum unit dirty? 2 Are the drum shaft and drum electrode of the printer body connected correctly? 3 Is the problem solved after the main PCB or the driver PCB replaced? 6 Scanner interlock...
.... Result Remedy Yes Clean the electrodes at both sides. No Replace the H.V. No Check the connection between the printer body and drum unit dirty? 2 Are the drum shaft and drum electrode of the printer body connected correctly? 3 Is the problem solved after the main PCB or the driver PCB replaced? 6 Scanner interlock...
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...PCB Ditto Main PCB Driver PCB Step Check 1 Is the corona wire of the drum unit broken? 2 Are the electric terminal springs in the printer and on the bottom face of the drum unit dirty? 3 Is the scanner unit connected with the driver PCB correctly? 4 Is the problem ...solved after driver PCB replaced? Yes Clean the terminals in the printer body and the electrode on the drum. I-4 All black Possible cause Corona failure Harness connection H.V. Result Remedy Yes Replace the drum unit. Yes Check...
...PCB Ditto Main PCB Driver PCB Step Check 1 Is the corona wire of the drum unit broken? 2 Are the electric terminal springs in the printer and on the bottom face of the drum unit dirty? 3 Is the scanner unit connected with the driver PCB correctly? 4 Is the problem ...solved after driver PCB replaced? Yes Clean the terminals in the printer body and the electrode on the drum. I-4 All black Possible cause Corona failure Harness connection H.V. Result Remedy Yes Replace the drum unit. Yes Check...
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... the drum unit No Replace the H.V. is on . (12) Press the panel switch again and release it immediately. (13) Print a page of paper in the printer dirty? 2 Is the transfer roller dirty? Is any other area in MP sheet feeder 1 (or 2). 2) Open the top cover. (3) Turn on the power switch while...
... the drum unit No Replace the H.V. is on . (12) Press the panel switch again and release it immediately. (13) Print a page of paper in the printer dirty? 2 Is the transfer roller dirty? Is any other area in MP sheet feeder 1 (or 2). 2) Open the top cover. (3) Turn on the power switch while...
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...drum unit. Result Remedy Yes Shake the drum unit horizontally. Yes Clean the scanner window with a new one ? 3 Is the window of the laser scanner dirty? 4 Is the problem solved by replacing the scanner unit? I -13 Faint print Print out test print out test print out test... Print out test print o Print out test print o Possible cause Printer not level Drum unit Scanner window dirty Scanner unit failure Step Check 1 Is the printer placed horizontally? 2 Does the problem happened immediately after the printer has warmed up. Yes Recommend the user to change to specified of...
...drum unit. Result Remedy Yes Shake the drum unit horizontally. Yes Clean the scanner window with a new one ? 3 Is the window of the laser scanner dirty? 4 Is the problem solved by replacing the scanner unit? I -13 Faint print Print out test print out test print out test... Print out test print o Print out test print o Possible cause Printer not level Drum unit Scanner window dirty Scanner unit failure Step Check 1 Is the printer placed horizontally? 2 Does the problem happened immediately after the printer has warmed up. Yes Recommend the user to change to specified of...
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...the starter sheet. Is the problem solved after replacing the SR PCB? Result Remedy Yes Replace the drum unit. I -21 Light rain Note: Make the printer in the light rain test mode as follows before checking; 1. IV-18 No Check the connection between Yes Clean both the... printer body and the drum electrodes. unit dirty? 2 Are the SR electrodes between No Check the SR the printer body and the drum connection. Yes Replace the SR PCB. Is the problem solved after replacing ...
...the starter sheet. Is the problem solved after replacing the SR PCB? Result Remedy Yes Replace the drum unit. I -21 Light rain Note: Make the printer in the light rain test mode as follows before checking; 1. IV-18 No Check the connection between Yes Clean both the... printer body and the drum electrodes. unit dirty? 2 Are the SR electrodes between No Check the SR the printer body and the drum connection. Yes Replace the SR PCB. Is the problem solved after replacing ...
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...clear the problem. 2) Attach the film onto the regist sensor actuator. Inform BIL. Paper feed roller rotated twice. Jam caused paper is turned on the printer while pressing the panel switch. (3) Release the panel switch. (4) Press and release the panel switch. Check paper feed sensor motion referring to note and clear...) 1. Top paper stopped at 250mm from the fixing unit. Paper was not fed in proper timing. Bug Temp measure Remove the paper inside the printer. If the rubber is no paper exist, check suspect sensors referring to note and clear the problem.
...clear the problem. 2) Attach the film onto the regist sensor actuator. Inform BIL. Paper feed roller rotated twice. Jam caused paper is turned on the printer while pressing the panel switch. (3) Release the panel switch. (4) Press and release the panel switch. Check paper feed sensor motion referring to note and clear...) 1. Top paper stopped at 250mm from the fixing unit. Paper was not fed in proper timing. Bug Temp measure Remove the paper inside the printer. If the rubber is no paper exist, check suspect sensors referring to note and clear the problem.
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...mode (only when the flash memory is as follows. (1) Turn off the power switch of the printer. INSPECTION MODE 6.1 Incorporated Inspection Modes The printer incorporates various inspection modes such as follows. This printer supports a factory inspection mode, continuous grid pattern print mode, 3 patterns print mode and NV-RAM... cause the lamps turn on the power switch while holding down the switch on the model of the printer. (2) With the top cover open, turn ON in the printer are also checked. When you enter this inspection, the lamps and the switch on the control panel are...
...mode (only when the flash memory is as follows. (1) Turn off the power switch of the printer. INSPECTION MODE 6.1 Incorporated Inspection Modes The printer incorporates various inspection modes such as follows. This printer supports a factory inspection mode, continuous grid pattern print mode, 3 patterns print mode and NV-RAM... cause the lamps turn on the power switch while holding down the switch on the model of the printer. (2) With the top cover open, turn ON in the printer are also checked. When you enter this inspection, the lamps and the switch on the control panel are...