Users Manual - English
Page 62
... the protective cover ! It may be damaged. • Use a Brother genuine toner cartridge which is specially formulated to install it into the printer. Warranty coverage does not apply to problems or damage caused by the ...before you remove the protective part. If toner cartridges are left unpacked for a long period of the printer itself . Remove the protective cover. Do not touch the shaded part shown below. It may reduce ...drum unit is subjected to excessive direct sunlight or room light, the unit may also cause serious damage to the performance and life of a genuine...
... the protective cover ! It may be damaged. • Use a Brother genuine toner cartridge which is specially formulated to install it into the printer. Warranty coverage does not apply to problems or damage caused by the ...before you remove the protective part. If toner cartridges are left unpacked for a long period of the printer itself . Remove the protective cover. Do not touch the shaded part shown below. It may reduce ...drum unit is subjected to excessive direct sunlight or room light, the unit may also cause serious damage to the performance and life of a genuine...
Users Manual - English
Page 65
... in the output print quality even before the Drum LED lights, then the drum unit should be printed by your drum will be replaced. Because we cannot guarantee a minimum number of pages per print job, etc. See "How to clean the printer" in this estimate. The actual number of its Life... ! The product should clean the printer when you may be used in the instructional video on paper. We recommend you use, the number of pages that your drum. • For best performance, use only genuine Brother toner. If the Drum LED is on, it carefully ...
... in the output print quality even before the Drum LED lights, then the drum unit should be printed by your drum will be replaced. Because we cannot guarantee a minimum number of pages per print job, etc. See "How to clean the printer" in this estimate. The actual number of its Life... ! The product should clean the printer when you may be used in the instructional video on paper. We recommend you use, the number of pages that your drum. • For best performance, use only genuine Brother toner. If the Drum LED is on, it carefully ...
Users Manual - English
Page 67
... unpack a drum unit immediately before you are not sure of accidental toner spill or scatter. • Handle the toner cartridge carefully as it into the printer. If toner scatters and your right hand. Fig. 3-15 Removing the toner cartridge Note • Discard the used drum unit according to excessive direct sunlight...
... unpack a drum unit immediately before you are not sure of accidental toner spill or scatter. • Handle the toner cartridge carefully as it into the printer. If toner scatters and your right hand. Fig. 3-15 Removing the toner cartridge Note • Discard the used drum unit according to excessive direct sunlight...
Users Manual - English
Page 85
When you have just used the printer, some internal parts of the printer, never touch the shaded parts shown in the following diagram. Drum Ready Paper Alarm Toner Data Fig. 4-3 LED indication caused by lighting the LEDs as shown below. CHAPTER 4 TROUBLESHOOTING PAPER JAMS and how to clear them When a paper jam occurs, the printer indicates by a paper jam Warning After you open the front or rear cover of the printer are extremely hot. High temperature Front view Fig 4-4 Inside the printer High temperature Rear view 4-11
When you have just used the printer, some internal parts of the printer, never touch the shaded parts shown in the following diagram. Drum Ready Paper Alarm Toner Data Fig. 4-3 LED indication caused by lighting the LEDs as shown below. CHAPTER 4 TROUBLESHOOTING PAPER JAMS and how to clear them When a paper jam occurs, the printer indicates by a paper jam Warning After you open the front or rear cover of the printer are extremely hot. High temperature Front view Fig 4-4 Inside the printer High temperature Rear view 4-11
Users Manual - English
Page 92
...may cause this print defect to replace the Drum unit" in Chapter 1. • Check the printer's environment; See "How to occur. • If the whole page is too light, toner save mode within the Printer Properties tab of paper can I use " in Chapter 3. • Make sure that you...the drum unit with a new one. See "How to replace the Toner cartridge" in Chapter 3. 4-18 A rough surfaced paper, paper that meets the Brother's recommended specifications. See "How to replace the Drum unit" in Chapter 3. • Installing a new drum unit. Improving the print quality ! See "What...
...may cause this print defect to replace the Drum unit" in Chapter 1. • Check the printer's environment; See "How to occur. • If the whole page is too light, toner save mode within the Printer Properties tab of paper can I use " in Chapter 3. • Make sure that you...the drum unit with a new one. See "How to replace the Toner cartridge" in Chapter 3. 4-18 A rough surfaced paper, paper that meets the Brother's recommended specifications. See "How to replace the Drum unit" in Chapter 3. • Installing a new drum unit. Improving the print quality ! See "What...
Users Manual - English
Page 96
... sheets for a long time. • The drum unit may be damaged. See "How to clean the printer" in the printer driver. • The problem may sometimes stick to excessive direct sunlight or room light, the unit may be damaged. • Make sure that you use paper that you use paper that a...• If the unpacked drum unit is subject to the OPC drum surface. See "How to clear this problem especially if the printer has not been used for laser printers, the glue from the sheets may disappear by itself. Try printing multiple pages to replace the Drum unit" in the drum unit. ...
... sheets for a long time. • The drum unit may be damaged. See "How to clean the printer" in the printer driver. • The problem may sometimes stick to excessive direct sunlight or room light, the unit may be damaged. • Make sure that you use paper that you use paper that a...• If the unpacked drum unit is subject to the OPC drum surface. See "How to clear this problem especially if the printer has not been used for laser printers, the glue from the sheets may disappear by itself. Try printing multiple pages to replace the Drum unit" in the drum unit. ...
Users Manual - English
Page 108
... (Italic, Bold, BoldItalic) • Letter Gothic (Oblique, Bold) • Maryland • Oklahoma (Oblique, Bold, BoldOblique) • PC Tennessee Roman (Italic, Bold, BoldItalic) • PC Brussels Light (Italic, Demi, DemiItalic) • Utah (Oblique, Bold, BoldOblique) • Utah Condensed (Oblique, Bold, BoldOblique) Microsoft Windows 3.1 TrueType Compatible Fonts • BR Symbol • Helsinki (Oblique...
... (Italic, Bold, BoldItalic) • Letter Gothic (Oblique, Bold) • Maryland • Oklahoma (Oblique, Bold, BoldOblique) • PC Tennessee Roman (Italic, Bold, BoldItalic) • PC Brussels Light (Italic, Demi, DemiItalic) • Utah (Oblique, Bold, BoldOblique) • Utah Condensed (Oblique, Bold, BoldOblique) Microsoft Windows 3.1 TrueType Compatible Fonts • BR Symbol • Helsinki (Oblique...
Quick Setup Guide - English
Page 14
... data remaining in sleep mode, pressing this control panel button when the Data LED is off and wait until all the LEDs light, the printer will be printed. *1 Printer errors: "Memory full", "Print overrun", XXX Interface error". *2 If the Data LED is on , press this button to... ( every 5 seconds ): Toner low q Toner empty Button Cancel printing If you press this button to clear the error and continue printer operation. When the printer driver is selected, Quick Print Setup is launched automatically. You can change the settings by clicking the icon with the right mouse button...
... data remaining in sleep mode, pressing this control panel button when the Data LED is off and wait until all the LEDs light, the printer will be printed. *1 Printer errors: "Memory full", "Print overrun", XXX Interface error". *2 If the Data LED is on , press this button to... ( every 5 seconds ): Toner low q Toner empty Button Cancel printing If you press this button to clear the error and continue printer operation. When the printer driver is selected, Quick Print Setup is launched automatically. You can change the settings by clicking the icon with the right mouse button...
Service Manual
Page 6
...3.4 Front Cover ...4-10 3.5 Top Cover ...4-11 3.6 Main Cover...4-12 3.7 Laser Unit...4-13 3.8 Drive Unit ...4-14 3.9 Fixing Unit ...4-17 3.10 Base Plate...4-25 3.11 Main PCB ASSY ...4-26 3.12 Lower Tray Relay PCB ASSY (HL-1250 only 4-26 3.13 Low-voltage Power Supply PCB ASSY 4-27 3.14... Fan Motor ASSY ...4-33 3.18 Toner Sensor PCB ASSY (Light Emission 4-34 3.19 Toner Sensor PCB ASSY (Light Reception 4-34 3.20 Paper Pick-up Roller ASSY 4-35 3.21 Paper Feed Roller ASSY 4-36 4. PERIODICAL CLEANING 5-5 3.1 Cleaning the Printer Exterior 5-5 3.2 Cleaning the Drum Unit...5-5 3.3 Cleaning the ...
...3.4 Front Cover ...4-10 3.5 Top Cover ...4-11 3.6 Main Cover...4-12 3.7 Laser Unit...4-13 3.8 Drive Unit ...4-14 3.9 Fixing Unit ...4-17 3.10 Base Plate...4-25 3.11 Main PCB ASSY ...4-26 3.12 Lower Tray Relay PCB ASSY (HL-1250 only 4-26 3.13 Low-voltage Power Supply PCB ASSY 4-27 3.14... Fan Motor ASSY ...4-33 3.18 Toner Sensor PCB ASSY (Light Emission 4-34 3.19 Toner Sensor PCB ASSY (Light Reception 4-34 3.20 Paper Pick-up Roller ASSY 4-35 3.21 Paper Feed Roller ASSY 4-36 4. PERIODICAL CLEANING 5-5 3.1 Cleaning the Printer Exterior 5-5 3.2 Cleaning the Drum Unit...5-5 3.3 Cleaning the ...
Service Manual
Page 56
... Heater Lamp Laser Unit Laser Polygon Motor Engine PCB Front Registration Sensor Rear Registration Sensor Upper Paper Cassette Sensor (HL-1250) Lower Paper Cassette Registration Sensor (HL-1250) HighVoltage... Power Supply PCB Cover Sensor (B) Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Solenoid Fan Motor Main Motor Toner Sensor PCB (light...
... Heater Lamp Laser Unit Laser Polygon Motor Engine PCB Front Registration Sensor Rear Registration Sensor Upper Paper Cassette Sensor (HL-1250) Lower Paper Cassette Registration Sensor (HL-1250) HighVoltage... Power Supply PCB Cover Sensor (B) Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Solenoid Fan Motor Main Motor Toner Sensor PCB (light...
Service Manual
Page 59
...They also detect whether or not the drum unit is installed. (The toner cartridge is installed in the drum unit.) Toner sensor (light emission) Toner sensor (light reception) Fig. 3-27 2.4 Drum Unit 2.4.1 Photosensitive drum Generates the latent electrostatic image and develops the image on the drum surface. ... Cartridge Develops the electrostatic latent image on the left side of the toner cartridge, then the toner sensor at the left side emits light through the window on the photosensitive drum with toner and forms the visible image. 3-21 CHAPTER 3 THEORY OF OPERATION 2.3.2 Toner sensor...
...They also detect whether or not the drum unit is installed. (The toner cartridge is installed in the drum unit.) Toner sensor (light emission) Toner sensor (light reception) Fig. 3-27 2.4 Drum Unit 2.4.1 Photosensitive drum Generates the latent electrostatic image and develops the image on the drum surface. ... Cartridge Develops the electrostatic latent image on the left side of the toner cartridge, then the toner sensor at the left side emits light through the window on the photosensitive drum with toner and forms the visible image. 3-21 CHAPTER 3 THEORY OF OPERATION 2.3.2 Toner sensor...
Service Manual
Page 60
... drum sleeve in the photosensitive drum is exposed to ensure it . The level of the ion charge is controlled by the grid to the light emitted from the laser unit. Voltage Regulator +++-+--+--+- 870V - + -- - ++ + - + + + + + + + ++ + + Aluminum drum sleeve Photosensitive ...printer is therefore not harmful to approximately 870V by an ion charge which is generated by ionization of ozone is generated compared with . 2.6.2 Exposure stage After the drum is positively charged, it is grounded. Drum Laser beam Laser detector Paper Laser beam f lens Polygon mirror Laser...
... drum sleeve in the photosensitive drum is exposed to ensure it . The level of the ion charge is controlled by the grid to the light emitted from the laser unit. Voltage Regulator +++-+--+--+- 870V - + -- - ++ + - + + + + + + + ++ + + Aluminum drum sleeve Photosensitive ...printer is therefore not harmful to approximately 870V by an ion charge which is generated by ionization of ozone is generated compared with . 2.6.2 Exposure stage After the drum is positively charged, it is grounded. Drum Laser beam Laser detector Paper Laser beam f lens Polygon mirror Laser...
Service Manual
Page 93
... correctly. 4-29 CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY (5) Disconnect the 11 (eleven) connectors for HL-1240 or 12 (twelve) connectors for HVPS) Main PCB connector Low-voltage power supply connector Engine PCB ASSY Thermistor connector Fan motor connector Toner sensor (light emission) connector Polygon motor connector Solenoid connector Main motor connector Panel PCB Lower...
... correctly. 4-29 CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY (5) Disconnect the 11 (eleven) connectors for HL-1240 or 12 (twelve) connectors for HVPS) Main PCB connector Low-voltage power supply connector Engine PCB ASSY Thermistor connector Fan motor connector Toner sensor (light emission) connector Polygon motor connector Solenoid connector Main motor connector Panel PCB Lower...
Service Manual
Page 98
...then remove the toner sensor PCB ASSY (light reception). (hooks) Taptite, cup M3x6 Fig. 4-61 4-34 Toner sensor PCB ASSY (light reception) Toner sensor PCB ASSY (light emission) (hooks) Toner sensor holder Fig. 4-60 3.19 Toner Sensor PCB ASSY (Light Reception) NOTE: Be sure to disconnect... the toner sensor (light emission) connector on the engine PCB before removing the ...
...then remove the toner sensor PCB ASSY (light reception). (hooks) Taptite, cup M3x6 Fig. 4-61 4-34 Toner sensor PCB ASSY (light reception) Toner sensor PCB ASSY (light emission) (hooks) Toner sensor holder Fig. 4-60 3.19 Toner Sensor PCB ASSY (Light Reception) NOTE: Be sure to disconnect... the toner sensor (light emission) connector on the engine PCB before removing the ...
Service Manual
Page 104
... before you use only genuine Brother toner. Toner empty: The Data and Alarm LEDs blink once every second. If toner scatters on , the front cover is now off with cold water immediately. Fig. 5-2 (6) Press the control panel button until it into the printer. If an unpacked drum unit...it horizontal. (Fig. 5-3) Fig. 5-3 5-2 When the toner cartridge is installed correctly, the lock lever is subjected to excessive direct sunlight or room light, the unit may be used in sequence from top to bottom.) The drum page counter is reset. (7) Close the front cover, and check that the...
... before you use only genuine Brother toner. Toner empty: The Data and Alarm LEDs blink once every second. If toner scatters on , the front cover is now off with cold water immediately. Fig. 5-2 (6) Press the control panel button until it into the printer. If an unpacked drum unit...it horizontal. (Fig. 5-3) Fig. 5-3 5-2 When the toner cartridge is installed correctly, the lock lever is subjected to excessive direct sunlight or room light, the unit may be used in sequence from top to bottom.) The drum page counter is reset. (7) Close the front cover, and check that the...
Service Manual
Page 105
... which is subjected to excessive direct sunlight or room light, the unit may have vertical stripes. (Refer to Fig. 5-5.) Install the toner cartridge immediately after removing the toner cartridge to problems caused by the use of a genuine Brother drum unit. If a toner cartridge is left end... it locks into place, indicated by gently sliding the wire cleaner (blue tab) to the right end and left unpacked for a long period of the printer itself. Fig. 5-6 5-3 Fig. 5-4 Fig. 5-5 ! CHAPTER 5 PERIODIC MAINTENANCE (4) Remove the protective cover. (Fig. 5-4) (5) Install the new ...
... which is subjected to excessive direct sunlight or room light, the unit may have vertical stripes. (Refer to Fig. 5-5.) Install the toner cartridge immediately after removing the toner cartridge to problems caused by the use of a genuine Brother drum unit. If a toner cartridge is left end... it locks into place, indicated by gently sliding the wire cleaner (blue tab) to the right end and left unpacked for a long period of the printer itself. Fig. 5-6 5-3 Fig. 5-4 Fig. 5-5 ! CHAPTER 5 PERIODIC MAINTENANCE (4) Remove the protective cover. (Fig. 5-4) (5) Install the new ...
Service Manual
Page 111
... the cartridge with a new one.] For further information on consumable parts, refer to be light. The printer is increased, making it impossible to obtain the correct contrast when printing. 6-1 The printer is not placed where the ventilation hole of the printer is blocked. (2) Print paper Check if : A recommended type of the photosensitive layer is...
... the cartridge with a new one.] For further information on consumable parts, refer to be light. The printer is increased, making it impossible to obtain the correct contrast when printing. 6-1 The printer is not placed where the ventilation hole of the printer is blocked. (2) Print paper Check if : A recommended type of the photosensitive layer is...
Service Manual
Page 121
...-up roller. 2) Replace the separation pad or pick-up roller. Jam after paper is not turning off. The Drum LED comes ON. 3) Lightly press the panel button again. Drum LED is ON = Paper eject sensor is worn out, replace it with a new one. Check front registration...up roller is turned on the sensors, see 'Factory inspection mode' in at all. For details on . When a paper jam occurs inside the printer. Check the front registration sensor referring to NOTE. CHAPTER 6 TROUBLESHOOTING 4.2.2 Causes & countermeasures The causes for paper jam problems vary depending on the location...
...-up roller. 2) Replace the separation pad or pick-up roller. Jam after paper is not turning off. The Drum LED comes ON. 3) Lightly press the panel button again. Drum LED is ON = Paper eject sensor is worn out, replace it with a new one. Check front registration...up roller is turned on the sensors, see 'Factory inspection mode' in at all. For details on . When a paper jam occurs inside the printer. Check the front registration sensor referring to NOTE. CHAPTER 6 TROUBLESHOOTING 4.2.2 Causes & countermeasures The causes for paper jam problems vary depending on the location...
Service Manual
Page 133
7. IMAGE DEFECTS 7.1 Image Defect Examples CHAPTER 6 TROUBLESHOOTING I-1 Light I-2 Dark I-3 Completely blank I-4 All black I-5 Dirt on back of paper I-6 Black vertical streaks I-6 Black vertical streaks I-10 White horizontal streaks I-11 Faulty registration I-7 Black horizontal ... print I-15 White spots I-16 Black spots I-17 Black band I-18 Gray background I-19 Hollow print I-20Downward fogging of solid black I-21 Horizontal lines I-22 Light rain Fig. 6-5 I-23 Ghost I-24 Toner specks 6-23
7. IMAGE DEFECTS 7.1 Image Defect Examples CHAPTER 6 TROUBLESHOOTING I-1 Light I-2 Dark I-3 Completely blank I-4 All black I-5 Dirt on back of paper I-6 Black vertical streaks I-6 Black vertical streaks I-10 White horizontal streaks I-11 Faulty registration I-7 Black horizontal ... print I-15 White spots I-16 Black spots I-17 Black band I-18 Gray background I-19 Hollow print I-20Downward fogging of solid black I-21 Horizontal lines I-22 Light rain Fig. 6-5 I-23 Ghost I-24 Toner specks 6-23
Service Manual
Page 134
..., the following procedures should be on the scanner window Laser unit failure Step 1 2 3 4 5 6 7 Check Can printing be started with a full one? Is the problem solved after the toner cartridge is light, toner save mode within Printer Properties tab of the driver. (3) Try installing a... highvoltage power supply PCB. See also Subsection 7.3 for a special job, such as humidity, high temperatures, etc. I-1 Light User Check (1) Check the printer's environment. Is the harness connection between the high-voltage power supply PCB and the engine PCB correct? Clean contact electrodes ...
..., the following procedures should be on the scanner window Laser unit failure Step 1 2 3 4 5 6 7 Check Can printing be started with a full one? Is the problem solved after the toner cartridge is light, toner save mode within Printer Properties tab of the driver. (3) Try installing a... highvoltage power supply PCB. See also Subsection 7.3 for a special job, such as humidity, high temperatures, etc. I-1 Light User Check (1) Check the printer's environment. Is the harness connection between the high-voltage power supply PCB and the engine PCB correct? Clean contact electrodes ...