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Brother HL-6050DN, Service Manual

The Brother HL-6050DN is a reliable and high-performance laser printer designed for small to medium-sized businesses. Ensure optimal performance and troubleshoot any issues with the user-friendly Service Manual. Download it for free at manualshive.com and gain comprehensive guidance for maintaining and maximizing the potential of your printer.

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Brother Laser Printer 

SERVICE MANUAL 

 
 

MODEL: HL-6050/6050D/6050DN 

 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 

Read this manual thoroughly before maintenance work. 

Keep this manual in a convenient place for quick and easy reference at all times. 

 
 

October 2003 
SM-PRN048 

Summary of Contents for HL-6050DN

Page 1: ...aser Printer SERVICE MANUAL MODEL HL 6050 6050D 6050DN Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times October 2003 SM PRN048 ...

Page 2: ...rks registered in the United States and other countries and TrueType is a trademark of Apple computer Inc Epson is a registered trademark and FX 80 and FX 850 are trademarks of Seiko Epson Corporation Hewlett Packard is a registered trademark and HP LaserJet is a trademark of Hewlett Packard Company IBM IBM PC and Proprinter are registered trademarks of International Business Machines Corporation ...

Page 3: ...d their timing information CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY Procedures for disassembling and re assembling the mechanical system CHAPTER 5 PERIODIC MAINTENANCE Periodical replacements parts consumable parts etc CHAPTER 6 TROUBLESHOOTING Reference values and adjustments troubleshooting image defects troubleshooting malfunctions etc CHAPTER 7 SERVICE SUPPORT SOFTWARE Professional menu mode and ...

Page 4: ...15 CHAPTER 2 INSTALLATION AND BASIC OPERATION 2 1 1 CONDITIONS REQUIRED FOR INSTALLATION 2 1 1 1 Power Supply 2 1 1 2 Environment 2 1 1 3 System Requirements for Brother Printer Solution for Windows 2 2 2 UNPACKING 2 3 3 INSTALL THE PRINTER 2 4 3 1 For All Users 2 4 3 1 1 Install the drum unit assembly 2 5 3 1 2 Load paper into the paper tray 2 6 3 1 3 Print a test page 2 7 3 1 4 Setting our langu...

Page 5: ...nstalling the Network Board 2 33 5 2 Functions 2 35 5 2 1 LED functions 2 35 5 2 2 Factory default setting 2 35 6 PAPER TRAY INFORMATION FOR EUROPE ONLY 2 36 CHAPTER 3 THEORY OF OPERATION 3 1 1 ELECTRONICS 3 1 1 1 General Block Diagram 3 1 1 2 Main PCB Block Diagram 3 2 1 3 Main PCB 3 3 1 3 1 CPU 3 3 1 3 2 USB 3 4 1 3 3 IEEE1284 3 4 1 3 4 Network Interface 3 5 1 3 5 ROM 3 6 1 3 6 Flash ROM 3 7 1 3...

Page 6: ...r PCB ASSY 3 25 2 4 Drum Unit 3 26 2 4 1 Photosensitive drum 3 26 2 4 2 Primary charger 3 26 2 4 3 Transfer roller 3 26 2 4 4 Cleaner 3 26 2 5 Toner Cartridge 3 27 2 5 1 Toner empty mode 3 27 2 5 2 New toner detection boss 3 28 2 6 Print Process 3 29 2 6 1 Charging 3 29 2 6 2 Exposure stage 3 29 2 6 3 Pressure contact and release unit 3 31 2 6 4 Developing 3 31 2 6 5 Transfer 3 32 2 6 6 Fixing sta...

Page 7: ... Clutch 4 43 3 30 Develop Joint 4 43 3 31 Interlock SW ASSY 4 44 3 32 Relay PCB L ASSY 4 44 3 33 DEV Sensor ASSY 4 45 3 34 Toner LED PCB ASSY 4 45 3 35 Gear 18 48 Gear Collar 4 46 3 36 Gear 24 4 46 3 37 Plate Motor ASSY 4 47 3 38 DX Sensor PCB 4 48 3 39 Ejection Solenoid ASSY 4 49 3 40 Size SW PCB ASSY Size SW Spring 4 50 3 41 Toner Sensor PCB Unit 4 51 3 42 HVPS PCB ASSY 4 51 3 43 Relay PCB Unit ...

Page 8: ... 2 Warnings for Maintenance Work 6 2 1 3 Identify the Problem 6 3 2 OPERATOR CALLS SERVICE CALLS 6 4 2 1 Operator Calls 6 4 2 2 Service Calls 6 7 3 PAPER PROBLEMS 6 11 3 1 Paper Loading Problems 6 11 3 2 Paper Jams 6 13 3 2 1 Clearing jammed paper 6 14 3 2 2 Causes countermeasures 6 21 3 3 Paper Feeding Problems 6 22 4 SOFTWARE SETTING PROBLEMS 6 24 5 MALFUNCTIONS 6 27 6 IMAGE DEFECTS 6 33 6 1 Ima...

Page 9: ...ICE MENU MODE 7 8 3 1 Entering the Service Menu Mode 7 8 3 2 Function Table 7 8 4 OTHER HIDDEN FUNCTION MENUS 7 13 4 1 Hidden Function Menus Enabled by Pressing Switch es When Turning the Machine on 7 13 4 2 Parts Life Reset Function 7 14 5 PRINT SETTINGS 7 15 5 1 Printing out the Print Settings 7 15 5 2 Contents Overview 7 16 5 2 1 Page 1 7 16 5 2 2 Page 2 7 16 5 2 3 Page 3 HL 6050DN only 7 17 6 ...

Page 10: ...B CIRCUIT DIAGRAM 100V HL 6050 A 8 9 LOW VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM 200V HL 6050 A 9 10 HIGH VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM HL 6050 A 10 11 ENGINE PCB CIRCUIT DIAGRAM HL 6050 1 2 A 11 12 ENGINE PCB CIRCUIT DIAGRAM HL 6050 2 2 A 12 ...

Page 11: ...red on and after August 2 1976 Compliance is mandatory for products marketed in the United States One of the following labels on the back of the printer indicates compliance with the FDA regulations and must be attached to laser products marketed in the United States The label for Japanese manufactured products MANUFACTURED K BROTHER INDUSTRIES LTD 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan...

Page 12: ...aser unit is adjusted in accordance with the standards never touch it Caution Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure For Finland and Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Varoitus Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turval...

Page 13: ...Störungen der Lasereinheit muß diese ersetzt werden Das Gehäuse der Lasereinheit darf nicht geöffnet werden da sonst Laserstrahlen austreten können Location of the laser beam window ADDITIONAL INFORMATION When servicing the optical system of the printer be careful not to place a screwdriver or other reflective object in the path of the laser beam Be sure to take off any personal accessories such a...

Page 14: ...e various kinds of WARNING messages included in this manual WARNING Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the printer WARNING Some parts inside the printer are extremely hot immediately after the printer is used When opening the front cover or rear cover to access any parts inside the printer never touch the shaded parts ...

Page 15: ...lows you to choose various printer settings including toner save mode custom paper size sleep mode gray scale adjustment resolution water mark and many layout functions You can easily setup these print options through the Printer Setup Menu Printer Status Monitor with Bi directional Parallel Interface The printer driver can monitor the status of your printer using bi directional parallel communica...

Page 16: ...will cut your printing cost by saving toner It is useful for obtaining draft copies for proof reading Sleep Mode Power Save Mode Sleep mode automatically reduces power consumption when the printer is not in use for a certain period of time The printer consumes less than 10W HL 6050DN 8W HL 6050 and HL 6050D when in sleep mode Low Running Cost Since the toner cartridge is separate from the drum uni...

Page 17: ...ray MP Tray Support Flap Paper Tray Front Cover Release Button Face up Outlput Tray Face up Output Tray Support AC Power Connector Parallel Interface Connector USB Interface Connector Power Switch Side Cover HL 6050DN 10 100Base TX Port HL 6050DN Network LED Light emitting Diode HL 6050DN Network Test Button Compact Flash Card Slot Front Cover Face down output tray ...

Page 18: ...de Print speed Normal Up to 24 pages minute A4 UP to 25 pages minute Letter size paper when loading A4 or Letter size paper from the standard paper tray Duplex printing Up to 11 pages minute when printing from duplex unit Warm up Max 20 seconds at 23 C 73 4 F First print Max 11 seconds A4 or letter size using face down printing from tray Print media Toner cartridge Life expectancy 7 500 pages cart...

Page 19: ...ac Power Macintosh with USB printer driver Optional Macintosh driver available for System 6 0 7 or higher Interface IEEE 1284 Parallel Hi Speed USB 2 0 10 100 BaseTX Ethernet network interface HL 6050DN Memory 32 Mbytes Expandable up to 160 Mbytes by installing an industry standard DIMM Control Panel Display LCD 1 line 16 digits 3 colors LED 1 LED Buttons 7 buttons Go Job Cancel Reprint Set Back a...

Page 20: ... only way to achieve 0 W power consumption is to unplug the power cord from the AC outlet socket Sound power level Printing LWAd 6 4 Bell A Standby LWAd 4 9 Bell A Temperature Operating 10 to 32 5 C 50 to 90 5 F Storage 0 to 35 C 32 to 95 F Humidity Operating 20 to 80 without condensation Storage 10 to 80 without condensation Dimensions 392 x 425 x 310 mm W x D x H 15 4 x 16 7 x 12 2 inches Weight...

Page 21: ...P Netware IPX SPX Appletalk DLC LLC NetBEUI Management BRAdmin Professional Web BRAdmin Web Based Management Firmware update Flash ROM based for Network module Can be upgraded using TFTP Can be upgraded using IPX SPX Easy upgrade using Brother BRAdmin utility Supplied software BRAdmin Professional management utility for Windows 95 98 Me Windows NT 4 0 Windows 2000 XP Port driver for Windows 95 98 ...

Page 22: ... O O O Recycled paper Bond paper Rough paper 60 g m2 to 161 g m2 16 to 43 lb O 16 to 28 lb O 16 to 43 lb O 16 to 28 lb Bond paper Thick paper 105 g m2 to 161 g m2 28 to 43 lb O Thick paper or Thicker paper Transparency O Up to 10 sheets A4 or Letter O Up to 10 sheets A4 or Letter O Up to 10 sheets A4 or Letter Transparencies Label O Only A4 or Letter size Thicker paper Envelope O Envelopes Envelop...

Page 23: ...iper 0 08 to 0 2 mm 0 003 to 0 008 in 0 084 to 0 14 mm 0 003 to 0 005 in single thickness Moisture content 4 to 6 by weight 4 to 6 by weight 4 Recommended paper Europe USA Plain paper Xerox Premier 80 g m2 Xerox 4200DP 20 lb Recycled paper Xerox Recycled Supreme 80 g m2 Transparency 3M CG3300 3M CG 3300 Label Avery laser label L7163 Avery laser label 5160 CAUTION When you are choosing print media ...

Page 24: ... paper jams or misfeeds 3 5 2 Paper tray capacity Paper Tray Standard Multi purpose tray Optional lower tray Paper Capacity 500 sheets 80 g m2 or 20 lb 100 sheets 80 g m2 or 20 lb 500 sheets 80 g m2 or 20 lb 3 5 3 Print delivery 1 Face down output tray capacity Maximum 250 sheets 80 g m2 face down only 2 Face up output tray capacity Maximum 50 sheets 80 g m2 face up only NOTE Face down Delivery wi...

Page 25: ...own below Physical page Printable area Logical page B Physical page length D Maximum logical page length F Distance from edge of physical page to edge of logical page NOTE Logical page shows the printable area for a PCL driver Printable area shows mechanical printable area of the machine Therefore the machine can only print within the shaded area when you use a PCL driver ...

Page 26: ...m 4 2 mm 0 16 50 dots B 5 JIS 182 0 mm 7 1 2 130 dots 257 0 mm 10 11 3 033 dots 170 0 mm 6 69 2 007 dots 257 0 mm 10 11 3 033 dots Ç 0 mm 4 2 mm 0 16 50 dots B 5 ISO 176 0 mm 6 93 2 078 dots 250 0 mm 9 84 2 952 dots 164 0 mm 6 46 1 936 dots 250 0 mm 9 84 2 952 dots Ç 0 mm 4 2 mm 0 16 50 dots B 6 125 0 mm 4 92 1 476 dots 176 0 mm 6 93 2 078 dots 164 0 mm 4 44 1 334 dots 176 0 mm 6 93 2 078 dots Ç 0...

Page 27: ...gth D Maximum logical page length F Distance from edge of physical page to edge of logical page NOTE Logical page shows the printable area for a PCL driver Printable area shows mechanical printable area of the machine Therefore the machine can only print within the shaded area when you use a PCL driver ...

Page 28: ...ots 182 0 mm 7 1 2 130 dots 247 0 mm 9 72 2 916 dots 182 0 mm 7 1 2 130 dots Ç 0 mm 4 2 mm 0 16 50 dots B 5 ISO 250 0 mm 9 84 2 952 dots 176 0 mm 6 93 2 078 dots 240 0 mm 9 44 2 834 dots 176 0 mm 6 93 2 078 dots Ç 0 mm 4 2 mm 0 16 50 dots B 6 176 0 mm 6 93 2 078 dots 125 0 mm 4 92 1 476 dots 166 4 mm 6 55 1 960 dots 125 0 mm 4 92 1 476 dots Ç 0 mm 4 2 mm 0 16 50 dots COM10 241 3 mm 9 5 2 850 dots ...

Page 29: ...aller size than A4 or Letter Media type setting Allmodels Thin Paper Up to 24 25 ppm Plain paper Up to 24 25 ppm Thick Paper 12 ppm after 50 sec have passed Thicker Paper Up to 20 ppm 12 ppm after 50 sec have passed Bond Paper Up to 12 ppm Env Env Thin Up to 6 ppm The print speed may vary according to conditions such as paper size and paper tray NOTE When a smaller size paper than A4 or Letter is ...

Page 30: ...ge Weight at Toner Near Empty 785 5g Remain Toner Weight at Toner Near Empty 90g Toner Cartridge Weight at Toner Empty 775 5g Remain Toner Weight at Toner Empty 80g You can print 500 to 600 pages with 10g toner Without yellow protector Toner cartridge weight may vary within 2 to 3g depending on the cartridge weight Life expectancy 7 500 pages toner cartridge When printing A4 or Letter size paper a...

Page 31: ...riya Plant A Mie Brother C BIUK J Buji Nan Ling Factory 1 Printer Printed on the label attached on the rear of the main body Example E 6 2 2 9 9 K 3 J 0 0 0 1 2 1 2 Process unit Imprinted on the aluminum bag Drum unit with toner cartridge 3 K 1 1 J A 3 Drum unit Printed on the bar code label attached inside the drum unit K 3 9 5 1 0 0 1 0 4 A YEAR MONTH DATE FACTORY ID NO YEAR MONTH SERIAL NO MODE...

Page 32: ... cartridge K 3 9 H 0 0 0 1 9 9 A 5 Laser unit On the laser unit S A 0 0 0 0 0 0 1 YEAR MONTH DATE FACTORY ID NO YEAR MONTH SERIAL NO PRODUCT NO LASER UNIT NO 8 LM3360001 Laser Unit AML FACTORY ID NO CARTRIDGE PRODUCTION INFO TONER VOLUME TONER VOLUME PRODUCTION LINE NO DR TN REUSE The first time M The second time N The third time P ...

Page 33: ... unplugged The room temperature is maintained between 10 C and 32 5 C The relative humidity is maintained between 20 and 80 To avoid ozone building up put the printer in a large well ventilated room Place the printer on a flat horizontal surface Keep the printer clean Do not put the printer in a dusty place Do not put the printer where the ventilation hole of the printer is blocked Keep a gap of a...

Page 34: ...ing System Version Processor Speed Minimum RAM Recommended RAM Available Hard Disk Space 95 98 98SE 486 66MHz 8MB 16MB 40MB NT Workstation 4 0 Pentium 75MHz 16MB 32MB 50MB 2000 Professional Pentium 133MHz 64MB 128MB 50MB Me Pentium 150MHz 32MB 64MB 50MB Windows Operating System XP Pentium 300MHz 128MB 128MB 50MB OS 8 6 to 9 2 32MB 64MB Apple Macintosh Operating System OS X 10 1 to 10 2 All base mo...

Page 35: ...face you intend to use 3 Most parallel cables support bi directional communication but some might have an incompatible pin assignment or may not be IEEE 1284 compliant 4 It is recommended to use a parallel interface cable or USB interface cable that is no longer than 2 meters 5 When you use a USB cable make sure that you connect it to the USB connector of your PC 6 Please make sure that you use a ...

Page 36: ...s users Turn on the PC power Insert the supplied CD ROM into the CD ROM drive The opening screen will appear automatically NOTE 1 If the opening screen does not appear click Start and select Run Then enter the CD drive letter and type START EXE for example D START EXE 2 Do not connect the interface cable Connecting the interface cable is done when installing the driver 1 Follow the on screen instr...

Page 37: ...y 1 Open the front cover by pressing the front cover release button 2 Unpack the drum unit assembly Rock it from side to side several times to distribute the toner evenly inside the assembly Fig 2 2 3 Put the drum unit assembly into the printer Fig 2 3 4 Close the front cover ...

Page 38: ...it the paper size Check that the guides are firmly in the slots Fig 2 4 NOTE For Legal size paper press the universal guide release button and pull out the back of the paper tray Fig 2 5 3 Fan the stack of paper well to avoid paper jams and misfeeds 4 Put paper in the paper tray Check that the paper is flat in the tray and below the maximum paper mark Fig 2 6 5 Put the paper tray firmly back in th...

Page 39: ...ord into an AC power outlet socket Turn the power s power switch on 3 After the printer has finished warming up the READY message appears Fig 2 7 4 Press the Go button The printer prints a demo page Check that the demo page has printed correctly Fig 2 8 3 1 4 Setting our language on the control panel 1 Press the button until SETUP is displayed Press the Set button 2 Press the Set button again 3 Pr...

Page 40: ...itches enables several functions in the printer The display also shows the current printer status When you use the control panel switches the display will change Fig 2 9 4 1 Data LED Indications The Data LED orange indicates with orange lamp the current status of the printer LED Printer status On Data is in the printer memory Blinking Receiving or processing data Off No data left in the memory Dat...

Page 41: ...om the current status MENU ERROR and REPRINT settings by pressing the Go button once For ERROR indications the control panel changes when the error is cleared You can pause printing with the Go button Pressing the Go button again restarts the print job and clears the pause During a pause the printer is in the off line NOTE If the printer is in pause mode and you do not want to print the data that ...

Page 42: ... SIZE in the SETUP menu ii The present RAM disk is 0MB Press the button to increase the reprint RAM size in increments of 1MB NOTE When you increase the RAM size for secure printing the work area of the printer is decreased and the printer performance will be reduced Make sure that you reset the RAM disk size to 0MB after you finish using Secure Printing When you store data in RAM the data will be...

Page 43: ...or press Go again to cancel the reprint job 2 Printing SECURE data Secure documents are password protected and only those people that know the password will be able to print the document The printer will not print the document when you have sent it for printing to print the document you must use the control panel of the printer or connect to the printer using a web browser When you want to delete ...

Page 44: ...eprint job The Job Cancel button also allows you to cancel a paused reprint job Press or Press Set LAST JOB SECURE FILE USER XXXXXXX If there is no data NO DATA STORED JOB XXXXXXX PASS NO 0000 COPIES 1 PRINTING Press or to select the user name Press the Set button to set the user name Press or to select the job Press the Set button to set the job Type your password Press the Set button to set the ...

Page 45: ...data in the job information that cannot be displayed on the LCD the display shows 4 Printing Public data You can use this setting to reprint documents that are stored in a Public area of the printer memory Documents here will not be protected by a password and anyone can access then using the front panel or a web browser The printer will not print a Public document when you send it to the printer ...

Page 46: ...setting an asterisk appears briefly on the right hand side of the message 4 2 6 Back button If you press the Back button when the printer is in the on line READY it goes off line and the LCD goes to the menu Pressing the Back button allows you to return to the previous level from the current menu level The Back button also allows you to choose the previous digit while setting numbers When you sele...

Page 47: ...nter Status Message Meaning IGNORE DATA Printer is ignoring data processed using PS driver JOB CANCELLING Cancelling the job NOW INITIALIZING The printer is setting up PAUSE The printer has suspended its operations Press the Go button to start the printer again PRESS SET TO PRINT Press the Set button to start printing PRINTING Printing PROCESSING Busy processing data PROGRAMING WAIT Accessing Comp...

Page 48: ...ting unchanged There are two ways to input numbers You can press or to scroll up or down one number at a time or you can hold down or to scroll faster The blinking number is the one that you can change For example If you feed paper from the MP tray as a priority change the MP FIRST setting to ON as follows The default setting is OFF Turn this setting ON if you want to READY INFORMATION PAPER SOURC...

Page 49: ...bsection 4 5 2 PAPER in this Chapter QUALITY For more information see subsection 4 5 3 QUALITY in this Chapter SETUP For more information see subsection 4 5 4 SET UP in this Chapter PRINT MENU For more information see subsection 4 5 5 PRINT MENU in this Chapter NETWORK HL 6050DN only For more information see subsection 4 5 6 NETWORK in this Chapter INTERFACE For more information see subsection 4 5...

Page 50: ...nter serial number ROM VER Shows ROM version ROM DATE Shows ROM date NET VER Shows network version HL 6050DN only VERSION RAM SIZE MB Shows the size of memory in this printer PAGE COUNTER Shows the current total printed pages DRUM COUNT Shows the pages printed with drum unit REMAIN DRUM Shows the pages left to print with drum unit REMAIN PF KITMP Shows the pages left to print with PF kit MP REMAIN...

Page 51: ... A4 Letter Legal TRAY2 SIZE DETECT SENSOR LETTER LEGAL A4 Selects the size of paper you loaded in the optional lower tray for example A4 Letter Legal DUPLEX OFF ON LONG BIND ON SHORT BIND Select whether you want to automatically print on both sides of the paper MP TRAY Multi purpose tray TRAY1 Upper paper tray TRAY2 Optional lower tray 4 5 3 Quality Display Shows Description RESOLUTION 300 600 120...

Page 52: ... 0 2 to Level 10 2 0 The factory setting is Level 1 OFF NORMAL There will be three sets of the Buzzers when an error occurs ERROR BUZZER SPECIAL Buzzers five times consecutively until the error is cleared OFF Disables buzz function when you press the button PANEL BUZZER ON Enables buzz function when you press the button LOW Makes the buzz lower BUZZER VOLUME HIGH Makes the buzz higher POWER SAVE T...

Page 53: ... CARD ORGANIZER J ORGANIZER K ORGANIZER L ORGANIZER M COPIES You can check the total number of printed pages 1 to 999 Shows the number of printed pages ORIENTATION PORTRAIT LANDSCAPE This printer can print pages in portrait or landscape orientation This printer can be adjusted to align the page format Sub setting Description X OFFSET 0 500 499 499 500 Moves the print start position at the top left...

Page 54: ...KIP ON OFF Selects whether a line feed and carriage return will happen when the printer position reaches the bottom margin LEFT MARGIN Sets the left margin at column 0 to 70 columns at 10 cpi RIGHT MARGIN Sets the right margin at column 10 to 80 columns at 10 cpi TOP MARGIN Sets the top margin at a distance from the top edge of the paper 0 0 33 0 5 1 0 1 5 or 2 0 The factory setting is 0 5 BOTTOM ...

Page 55: ...ft margin at column 0 to 70 columns at 10 cpi RIGHT MARGIN Sets the right margin at column 10 to 80 columns at 10 cpi TOP MARGIN Sets the top margin at a distance from the top edge of the paper 0 0 33 0 5 1 0 1 5 or 2 0 The factory setting is 0 33 BOTTOM MARGIN Sets the bottom margin at a distance from the bottom edge of the paper 0 0 33 0 5 1 0 1 5 or 2 0 The factory setting is 0 33 EPSON FX 850 ...

Page 56: ... a distance from the top edge of the paper 0 0 33 0 5 1 0 1 5 or 2 0 The factory setting is 0 33 BOTTOM MARGIN Sets the bottom margin at a distance from the bottom edge of the paper 0 0 33 0 5 1 0 1 5 or 2 0 The factory setting is 0 33 IBM PROPRINTER LINES Sets the number of lines on each page from 5 to 128 lines BR SCRIPT ERROR PRINT OFF ON CARBON COPY OFF ON AUTO PARALLEL COPIES 1 to 8 COPY 1 TR...

Page 57: ...g Description TCP IP ENABLE ON OFF IP ADDRESS SUBNET MASK GATEWAY IP BOOT TRIES IP METHOD AUTO STATIC RARP BOOTP DHCP TCP IP APIPA ON OFF NETWARE ENABLE ON OFF NETWARE NET FRAME AUTO 8023 ENET 8022 SNAP APPLETALK ON OFF NETBEUI ON OFF DLC LLC ON OFF NETBIOS IP ON OFF ENET ATUO 100B FD 100B HD 10B FD 10B HD ...

Page 58: ...communications ON or OFF BI DIR ON OFF ON OFF Turns bi directional parallel communications ON or OFF PARALLEL INPUT PRIME ON OFF Turns prime signal ON or OFF USB 2 0 HIGH SPEED ON OFF Turns High Speed USB 2 0 communications ON or OFF 4 5 8 Reset menu Setting Menu Description RESET PRINTER Resets the printer and restores all printer settings including command settings to settings you have previousl...

Page 59: ... Press the Set button Press the button Press the Set button The last digit in the first part of the number is blinking Press the or button to increase or decrease the number Press the Set button to go to the next number INFORMATION Repeat this process until you have set your IP address Press the Set button to complete the IP address An asterisk appears at the end of the display 123 0 0 192 123 45 ...

Page 60: ...uage Tutorial and Cookbook Addison Wesley Publishing Company Inc 1985 ISBN 0 201 10179 3 EPSON FX 850 and IBM Proprinter XL Mode The EPSON FX 850 and IBM Proprinter XL modes are the emulation modes that this printer supports to meet the industry standard for dot matrix printers Some applications support these dot matrix printer emulations Use these emulation modes so your printer will work well wh...

Page 61: ...UPLEX OFF RESOLUTION 600 HRC MEDIUM TONER SAVE OFF QUALITY DENSITY 0 LANGUAGE ENGLISH Subsetting Factory setting LCD DENSITY 0 AUTO ONLINE ON BUTTON REPEAT 0 1 SEC PANEL CONTROL MESSAGE SCROLL LEVEL 1 ERROR BUZZER OFF PANEL BUZZER OFF BUZZER VOLUME LOW POWER SAVE TIME 30MIN AUTO CONTINUE OFF LOCK PANEL OFF REPRINT ON PAGE PROTECTION AUTO EMULATION AUTO EPSON KEEP PCL OFF SETUP RAMDISK SIZE 0MB ...

Page 62: ...OFFSET 0 AUTO FF TIME 5 FF SUPPRESS OFF Subsetting Factory setting FONT NO I059 FONT PITCH 10 00 12 00 SYMBOL SET PC 8 AUTO LF OFF AUTO CR OFF AUTO WRAP OFF AUTO SKIP ON LEFT MARGIN RIGHT MARGIN TOP MARGIN BOTTOM MARGIN HP LASER JET LINES FONT NO I059 FONT PITCH 10 00 12 00 SYMBOL SET US ASCII AUTO LF OFF AUTO MASK OFF LEFT MARGIN RIGHT MARGIN TOP MARGIN BOTTOM MARGIN PRINT MENU EPSON FX 850 LINES...

Page 63: ...MARGIN IBM PROPRINTER LINES BR SCRIPT ERROR PRINT OFF CARBON COPY OFF COPIES 1 COPY 1 TRAY AUTO PRINT MENU Continued CARBON MENU COPY 2 TRAY COPY 8 TRAY COPY1 MACRO COPY8 MACRO OFF TCP IP ENABLE ON IP ADDRESS 169 254 1 SUBNET MASK 255 255 0 0 1 GATEWAY 0 0 0 0 IP BOOT TRIES 3 IP METHOD AUTO TCP IP APIPA ON NETWARE ENABLE ON NETWARE NET FRAME AUTO APPLETALK ON NETBEUI ON DLC LLC ON NETBIOS IP ON NE...

Page 64: ...r printer use While the printer is in sleep mode the light on the display if off but the printer can still receive data from the computer Receiving a print file or document automatically wakes up the printer to start printing Pressing one of the buttons will also wake up the printer NOTE When the printer goes into sleep mode the fan will not stop until the printer engine has cooled down The fan ru...

Page 65: ...ls Many useful features such as BRAdmin Professional for the administrator and Brother network printing software are included on the CD ROM supplied with this printer 5 1 Installing the Network Board 1 Turn off the printer power switch and then unplug the printer 2 Slide and remove the side cover Fig 2 10 3 Open the interface access cover Fig 2 11 4 Loosen the two screws and then remove the Networ...

Page 66: ...printer and then secure it with the two screws Fig 2 13 6 Close the interface access cover 7 Put the side cover back on 8 Connect one end of the Ethernet cable to the network port of the printer 9 Plug the printer back in and then turn on the power switch Print configuration page Press the network test button for less than 5 seconds to print a configuration page Fig 2 14 Network port ...

Page 67: ...cted to a 100BaseTX Fast Ethernet network This Link Speed LED will be green if the print server is connected to a 10 Base T Ethernet Active LED is yellow The Active LED will blink if the print server is receiving or transmitting data 5 2 2 Factory default setting If you wish to reset the print server back to its default factory settings resetting all information such as the password and IP address...

Page 68: ... right Fig 2 16 3 If the optional LT 6000 Lower Tray Unit is installed onto the HL 6050 6050D 6050DN printer it is necessary to exchange the tray supplied with the LT 6000 Unit with the upper tray already fitted into the printer Install the tray originally fitted in the printer into the LT 6000 Unit Failure to do so will cause paper jams as the paper cannot be fed from the lower tray to the printe...

Page 69: ...ation block Control panel Control system Low voltage power supply block High voltage power supply block Laser unit Drive block DC motor Drum unit Transfer block Drum Charging block External device External device Paper tray unit Paper cassette MP tray Front cover ASSY Fixing unit Paper eject block Paper feed system Image generation system Interface block Parallel USB Compact Flash I F Compact Flas...

Page 70: ...RAM DIMM max 128MB EEPROM 2048 x 8 bit CPU Core SPARClite 200MHz A S I C Oscillator 66 6MHz Address Decoder DRAM Control Timer FIFO Soft Support EEPROM I O Engine Control I O To Engine PCB Media Gate Array BUS INT To PC USB I O CDCC Parallel I O To PC Main Program 3 MB STRAGE 1 MB AIO Control NC 6100h To PC or Hub Oscillator 12MHz Compact Flash Fig 3 2 ...

Page 71: ...TP247 TP73 TP72 TP195 TP243 TP245 TP260 TP263 TP96 TP98 TP100 TP93 R78 0 TP99 TP102 TP97 TP95 TP94 TP101 TP74 TP71 TP69 R64 10k R41 10k R39 10k TP244 TP246 TP262 TP261 TP75 R40 10k R77 4 7k R75 4 7k 0V TP70 TP154 TP153 TP157 TP259 4 7C LAN_CSN 4 7D LAN_DACKN 4 7D LAN_INTN 4 7D LAN_DREQN 4 7D LAN_READYN R104 33 R102 33 U8 Aurora DATA00 40 DATA01 41 DATA02 42 DATA03 43 DATA04 44 DATA05 45 DATA06 46 ...

Page 72: ...HBUSY 1B STBN 1C CDCC_D 7 0 3A CDCC_D 7 0 3A CDCC_HD 2B CDCC_HD U8 Aurora CDCCINITN 230 CDCCSINN 229 CDCCHBUSY 228 CDCCSTBN 227 CDCC_D0 240 CDCC_D1 239 CDCC_D2 238 CDCC_D3 235 CDCC_D4 234 CDCC_D5 233 CDCC_D6 232 CDCC_D7 231 CDCCACKN 245 CDCCBUSY 244 CDCCPEN 243 CDCCSLCT 242 CDCCFLTN 241 CDCC_DIR 246 VSCANCLK 250 0V TP264 0V 3B INITN_IN 5B INITN_IN 11 BUSY 8 DI7 21 0V 0V C147 C101 R173 33 VDD5 0V 3...

Page 73: ... 30 IOWRN 8 A3 6 GND 24 GND 61 FG 1 3B LAN_CSN 3 DACKN 0V C56 C104 1 5C 2C 3C 5D 6 2E IORDN VDD3 21 3 3V 28 A17 14 GND 12 A7 17 A10 0V 32 UNIPORT1 20 A13 35 GND 50 D9 19 A12 DFJ RC060 S931124D 62 FG TP80 43 D6 56 D15 11 A6 53 D12 51 D10 46 3 3V 37 D0 2 2E LAN_RSTN 48 GND 45 3 3V 31 LAN_CSN 33 3 3V 4 3 3V R111 100 1 3C LAN_READYN CN7 7 A2 38 D1 R112 100 44 D7 40 D3 16 A9 TP67 60 LAN_INTN 2 LAN_RSTN...

Page 74: ... 22 U4 1 BHE 25 VSS 25 37 VCC 37 6 A12 5 A13 15 A17 4 A14 12 VSS 12 23 A0 14 A18 22 A1 20 A3 29 DQ8 44 DQ14 31 DQ9 33 DQ10 21 A2 19 A4 18 A5 24 CE 8 A10 7 A11 11 A19 2 A16 3 A15 13 A20 46 DQ15 A 1 35 DQ11 40 DQ12 42 DQ13 27 OE 17 A6 16 A7 9 A9 10 A8 30 DQ1 32 DQ2 34 DQ3 39 DQ4 41 DQ5 43 DQ6 45 DQ7 38 VCC 38 26 VSS 26 36 VSS 36 47 VSS 47 48 VSS 48 28 DQ0 1 3B 3 4A 3 4B DATA 15 0 0V VDD3 1 5C 2C 3C ...

Page 75: ...SN1 1 3B 3 4A 3 4B DATA 15 0 1 5C 3C 5D 7C 6 2E IORDN TP118 U6 11 WE 12 RESET 27 VSS27 37 VCC 6 A10 5 A11 25 A0 4 A12 14 WR ACC 13 NC 46 VSS46 23 A2 24 A1 22 A3 20 A5 29 DQ0 44 DQ7 31 DQ1 33 DQ2 21 A4 19 A6 18 A7 26 CE 15 RY BY 8 A8 7 A9 1 A15 2 A14 3 A13 48 A16 38 DQ4 35 DQ3 40 DQ5 42 DQ6 28 OE 47 BYTE 17 A17 16 A18 9 A19 10 A20 30 DQ8 32 DQ9 34 DQ10 36 DQ11 39 DQ12 41 DQ13 43 DQ14 45 DQ15 A 1 VD...

Page 76: ...6 NC 40 VDD1 1 VDD14 14 VDD27 27 VDDQ3 3 VDDQ9 9 VDDQ43 43 VDDQ49 49 VSS28 28 VSS41 41 VSS54 54 VSSQ6 6 VSSQ12 12 VSSQ46 46 VSSQ52 52 DQ0 2 DQ1 4 DQ2 5 DQ3 7 DQ4 8 DQ5 10 DQ6 11 DQ7 13 DQ8 42 DQ9 44 DQ10 45 DQ11 47 DQ12 48 DQ13 50 DQ14 51 DQ15 53 1 6A 3 1E 3 3C 3 4D 1E 6B 1A 3 1D ADR 23 1 C33 C103 C57 C103 1 6A 3 1D 3 1E 3 4D 1C 1E 6B ADR 15 BA0 1 6A 3 1E 3 3C 3 4D 1C 1E 6B ADR 18 CASN 0V C61 C103...

Page 77: ...5 BA0 C36 C103 1 6A 1E 4D 4 1A 4 1C 4 1E 4 6B ADR 17 RASN 0V 1 6A 1E 4D 4 1A 4 1C 4 1E 4 6B ADR 18 CASN 0V C32 C103 1 5C SDCLK2 1 5D SDSDA 1 6A 1E 4D 4 1A 4 1C 4 1E 4 6B ADR 19 WEN 6B DATA_D 15 0 69 A11 A13 55 DQ11 91 DQ27 30 SN2 RASN2 E2 17 A8 90 DQ26 95 DQ30 49 SCL 13 A0 93 DQ28 59 DQ14 9 DQ6 68 BA0 A11 40 DQ18 38 DQ16 54 DQ10 65 A5 48 SDA CN6 2 DQ0 60 DQ15 99 SA1 79 SN1 RASN1 E1 14 A2 58 DQ13 5...

Page 78: ... C104 C70 C104 C72 C104 C108 C104 VDD3 0V R128 10k VDD3 R133 10k 0V TP139 TP138 TP166 R88 33 1 8A MEDIA_CLK 5 6B FEEDBACK R129 3 3k R130 5 6k 0V R113 3 3k 0V R114 5 6k VDD5 FG3 0V C107 C103 R142 0 1 10W 2012 D3 RB751V 40 R115 10k TP126 42 WAIT 44 REG 7 CE1 41 RESET 38 VCC 39 CSEL 51 FG 27 D11 1 GND 37 RDY BSY IREQ 6 D7 4 D5 32 CE2 28 D12 48 D9 26 CD1 49 D10 23 D2 43 INPACK 40 VS2 45 BVD2 SPKR 34 I...

Page 79: ... CN2 1 3 3V C11 C101 L7 0 0 0 L5 1608 5 RESET 6 5V TP20 C12 C101 L8 0 C13 C103 R12 4 7k R10 100 C10 C102 TP19 B6B PH K S 2 0V VDD5 TP17 ENGINE Fig 3 14 1 3 13 Panel I O The interface with the panel PCB is by full duplex synchronous serial method TP24 C22 C101 C16 C101 R16 100 C15 C101 R18 100 L12 0 C18 C101 C19 C101 TP2 C17 C101 VDD5 2D PNLRST 2D PNLSDO 1 6E 5 7C COVER VDD5I 1 4C REARTRAY 2E PNLSD...

Page 80: ...3 2 2D ENBN0 R31 220k L3 0 1608 TP40 R28 33 R26 33 VDD5 L20 L24 0 R5 1k C5 C101 2 2D CAL2 R30 100 TP33 L21 0 TP35 TP37 C6 C101 C29 C101 2 1D BDN C4 C101 C2 C101 L25 0 2 2D ENBN1 2 2D CAL1 TP41 R27 33 3B DATA2 1 3B DATA1 1 0V 6 6C FEEDBACK C8 C103 L4 0 1608 L23 0 L19 L1 0 1608 C7 C101 C3 C101 TP38 TP12 TP39 TP34 TP42 TP10 TP11 TP36 VDD5 4B DATA2 1 4B DATA1 1 U1 TC74VHCT08AFT 1 2 3 U1 TC74VHCT08AFT ...

Page 81: ...R17 100 R21 100 R13 100 1 4C DEVVER L18 0 L16 0 L15 0 L13 0 TP26 TP4 TP28 TP23 TP22 TP25 TP1 TP3 TP29 2D PNLCLK L14 0 C21 C103 C14 C103 TP5 R20 4 7k R14 4 7k VDD3 1E FULL C20 10k R19 100 TP6 TP27 L17 0 1 REAR TRAY 2 5V CN3 B10B CZHK B 1 3 FULL 4 PNLCLK 5 SDOUT 6 SDIN 7 PNLRSTN 8 0V 9 DEV VER 10 COVER VDD5I L11 0 1608 TP21 0V 0V 0V R200 4 7k PANEL Fig 3 17 1 3 16 Power Supply 5V is generated by the...

Page 82: ... tray sensor and paper size sensor Thermistor Lower tray sensor and paper size sensor Polygon motor Lower paper PE sensor High voltage power supply Lower paper exit sensor Toner sensor Paper eject sensor Fixing unit cover sensor Heater control Release sensor Lower tray plate sensor For the circuit diagram of the engine PCB see APPENDIX 11 and 12 ENGINE PCB CIRCUIT DIAGRAM in this manual Sensor con...

Page 83: ...er supply are listed below Regulated Output Production Code 3 3V 2 0A 8V 0 4A 24V 4 0A 100V MPS2203 200V MPS2103 For the circuit diagram of the low voltage power supply PCB see APPENDIX 8 or 9 LOW VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM in this manual Heater Circuit Thermal Fuse Feedback Line Filter Fuse Rectifier Oscillator 24V Regulation Circuit 24V 3 3V Lamp Heater Engin Circuit Main Circuit 3 3V ...

Page 84: ...PPENDIX 10 HIGH VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM in this manual Transfer Roller Supply Roller Photosensitive Drum Development Roller Corona Unit Current Regulator Current Regulator Voltage Regulator Voltage Regulator B1 B70 VR70 B100 B151 Voltage Regulator Voltage Regulator Z50 VR50 VR152 VR153 VR1 VCC24V 10 CHG 3 PWM DEV 4 5 6 7 TRCV FB TRCC PWM TRCC TRCC 8 9 GND24 11 GRIDC 1 1 2CLN 2 2CLN VR...

Page 85: ... pad F roller AML MP F roller AML F roller AML A4 Separation roller Feed roller Regist actuator front RE roller Regist actuator rear Pressure roller Transfer roller Pressure plate Paper tray Fixing sensor actuator Pressure roller 30 Eject roller Rear cover Fixing unit Outer chute Pinch roller Exit roller Heat roller 34 Photosensitive drum Corona wire Laser unit Development roller Scanner motor ...

Page 86: ...sing the motion of the actuator 2 2 2 Paper tray lift function To improve the paper feeding function for the paper tray the pressure plate in the paper tray is lift up with a motor 1 When the paper tray is installed into the machine the plate motor rotates to lift the pressure plate up 2 When the pressure plate goes up the uppermost paper on pressure plate touches the feed roller 3 The positioning...

Page 87: ...right hand side by means of spiral roller which is located near the pinch roller A4 then they are stored in the dust collecting space of the paper tray B When the paper is fed from the MP tray 1 Paper particles generated by friction between the separation pad and the paper feed roller are removed by the pinch roller which is located near the F roller AML MP 2 Paper particles removed by the pinch r...

Page 88: ...cified time and the paper top position reaches the paper feed roller so that the paper skew is adjusted Then the solenoid is turned off the paper feed roller starts turning and the paper is fed to the transfer block in the drum unit Fig 3 24 The regist rear actuator in the path from the feed roller to the transfer roller controls the first print position on the paper Photosensitive drum Transfer r...

Page 89: ...t tray through the second eject roller If the rear cover is open the paper is ejected face up straight to the printer rear straight paper path Fig 3 25 2 2 6 Duplex printing HL 6050D 6050DN only After the paper exits from the second eject roller with the front of sheet printed the second eject roller rotates conversely and feeds the paper to the duplex tray where the paper skew is adjusted Afterwa...

Page 90: ...CHAPTER 3 THEORY OF OPERATION 3 22 2 3 Sensors 2 3 1 Document cover sensor Fig 3 26 2 3 2 Fixing sensor PCB ASSY Fig 3 27 Fixing unit Document cover sensor Exit roller unit Fixing sensor PCB ASSY ...

Page 91: ...HL 6050 6050D 6050DN SERVICE MANUAL 3 23 2 3 3 Photo interrupter Fig 3 28 2 3 4 Toner sensor PCB unit Toner LED PCB ASSY Fig 3 29 Toner sensor PCB unit Photo interrupter Toner LED PCB ASSY ...

Page 92: ...CHAPTER 3 THEORY OF OPERATION 3 24 2 3 5 Relay PCB unit Fig 3 30 2 3 6 PE PO sensor PCB ASSY Fig 3 31 Relay PCB unit PE PO sensor PCB ASSY ...

Page 93: ...HL 6050 6050D 6050DN SERVICE MANUAL 3 25 2 3 7 DEV sensor ASSY Fig 3 32 2 3 8 MP sensor PCB ASSY Fig 3 33 DEV sensor ASSY MP sensor PCB ASSY MP chute ...

Page 94: ...surface 2 4 2 Primary charger Forms a uniform charge on the drum surface 1 Corona wire Generates the ion charge on the drum 2 Grid Spreads the ion charge evenly over the drum surface 2 4 3 Transfer roller Transfers the toner image to the paper from the drum surface 2 4 4 Cleaner Removes the paper dust or dirt on the surface of the photosensitive drum ...

Page 95: ...846 23 143 Toner empty 5 7 500 7 500 7 500 7 500 7 500 7 500 7 500 7 500 7 500 7 500 7 500 7 500 Toner empty 4 9 375 9 375 9 375 9 375 9 375 9 375 9 375 9 375 9 375 9 375 9 375 9 375 Toner empty 3 12 500 12 500 12 500 12 500 12 500 12 500 12 500 12 500 12 500 12 500 12 500 12 500 Toner empty 2 18 750 18 750 18 750 18 750 18 750 18 750 18 750 18 750 18 750 18 750 18 750 18 750 Toner empty 1 37 500 ...

Page 96: ...o the drum unit then install it into the printer 2 The new toner detection boss of the toner cartridge touches the actuator 3 The sensor on the machine detects if it is a brand new toner cartridge 4 The new toner detection boss moves to the used toner position when the printer is used once When a used toner is installed in the step 1 the toner detection boss does not touch the machine actuator in ...

Page 97: ...ely charged drum The level of ozone expelled from the printer is therefore not harmful to the human body Applicable safety standards have been complied with 2 6 2 Exposure stage After the drum is positively charged it is exposed to the light emitted from the laser unit Fig 3 36 Laser exposure unit The HL 6050 series printer has a twin laser beam unit to get a resolution of 1200 dpi x 1200 dpi at f...

Page 98: ...L lens 3 The two laser beams reflected by the reflection mirror go straight toward the photosensitive drum below it then expose the photosensitive drum in two lines The area exposed to the laser beam is the image to be printed The surface potential of the exposed area is reduced forming the electrostatic image to be printed Fig 3 37 3 Primary charging Laser beam exposure and developing a Unexposed...

Page 99: ...loping Developing causes the toner to be attracted to the electrostatic image on the drum so as to transform it into a visible image The developer consists of a non magnetic toner The development roller is made of conductive rubber and the supply roller which is also made of conductive sponge rotate against each other The toner is charged and carried from the supply roller to the development rolle...

Page 100: ...y be residual toner on the drum which will adhere to the transfer roller The transfer voltage changes to a positive voltage during non printing rotation of the drum Therefore the transfer roller is cleaned by returning the positively charged toner adhering to the transfer roller onto the photo conductive drum 2 6 6 Fixing stage The image transferred to the paper by static electricity is fixed by h...

Page 101: ...en using soldering irons or other heat generating tools take care not to accidentally damage parts such as wires PCBs and covers 4 Before handling any PCBs touch a metal portion of the equipment to discharge any static electricity charge on your body or the electronic parts or components may be damaged 5 When transporting PCBs be sure to wrap them in the correct protective packaging 6 Be sure to r...

Page 102: ...OLLER 47 F CHUTE UNIT 48 MP PE SENSOR ACTUATOR 1 MP SENSOR PCB ASSY 49 DRUM UNIT 2 16 FEED MP UNIT 17 PAPER TRAY 3 ACCESS COVER 4 NETWORK BOARD 5 MAIN PCB 21 DX FEED ASSY 6 REAR COVER ASSY 7 TOP COVER ASSY 8 SIDE COVER L 9 SIDE COVER R 10 MP PAPER GUIDE 1 ASSY 11 PROCESS UNIT COVER ASSY MP COVER ASSY 12 FAN MOTOR 80 ASSY 18 FILTER 19 ENGINE PCB 20 MAIN PCB 21 FAN 40 22 LVPS 23 T1 SOLENOID ASSY MP ...

Page 103: ...ANUAL 4 3 3 DISASSEMBLY PROCEDURE 3 1 AC Cord 1 Disconnect the AC cord from the printer Fig 4 1 3 2 Drum Unit 1 Open the process unit cover ASSY and remove the drum unit Fig 4 2 Printer AC cord Drum unit Process unit cover ASSY 2 1 ...

Page 104: ...emove the paper from the paper tray Fig 4 3 3 Remove the separation pad ASSY and the separation pad spring from the paper tray NOTE Be sure not to lose the separation pad spring when you remove the separation pad ASSY Fig 4 4 Paper tray Separation pad spring Separation pad ASSY 1 2 2 3 Paper tray 1 2 Process unit cover ASSY ...

Page 105: ...two cup B M3x8 Taptite screws and remove the paper tray cover Fig 4 5 5 Remove the A portion of the roller holder spring 6 Remove the P roller unit Fig 4 6 Taptite cup B M3x8 Paper tray cover Paper tray P roller unit A Roller holder spring Paper tray Pin ...

Page 106: ...re plate and remove the front tray 1 from the paper tray Fig 4 7 NOTE Be sure to hold down the paper indicator when removing the front tray 1 If not the paper indicator might get damaged Fig 4 8 Hooks Paper indicator Taptite bind B M4x10 Taptite bind B M4x10 Front tray 1 Paper tray 1 2 3 Paper indicator Pin Pin Pins Pressure plate ...

Page 107: ...ess Cover 1 Remove the access cover Fig 4 9 3 5 Network Board 1 Remove the main PCB access plate 2 Loosen the two access cover screws and remove the network board Fig 4 10 Access cover Main PCB Main PCB access plate Network board Access cover screws ...

Page 108: ...x4 screw and remove the ground wire cover and ground wire 3 Remove the bind B M3x7 5A Taptite shoulder screw and bind B M3x8 Taptite screw and remove the paper guide upper ASSY Fig 4 12 Screw bind B M3x4 Taptite bind B M3x8 Ground wire cover Ground wire Taptite bind B M3x7 5A shoulder DX feed ASSY Paper guide upper ASSY DX feed ASSY ...

Page 109: ...er Fig 4 13 6 Remove the bind B M3x5 Taptite screw and remove the side regist roller holder 7 Remove the pressure roller from the side regist roller holder Fig 4 14 Roller holder Pressure roller Paper guide upper ASSY HE Bosses Taptite bind B M3x5 DX feed ASSY Back side DX feed ASSY Pressure roller Side regist roller holder Left guide plate ASSY Boss ...

Page 110: ...bind B M3x8 Taptite screws and remove the two guide plate stopper 9 Remove the two left guide spring 2 from the DX feed ASSY 10 Release the hook and remove the side regist guide Fig 4 16 Taptite bind B M3x8 Guide plate stopper Left guide spring 2 DX feed ASSY Back side Hook DX feed ASSY Side regist guide 1 2 Boss Pin Side regist roller holder Left guide plate ASSY ...

Page 111: ...Y Fig 4 17 14 Release the hook from the DX feed ASSY and remove the DX paper actuator and paper actuator spring 15 Release the hook from the DX feed ASSY and remove the guide actuator and guide actuator spring Fig 4 18 DX feed ASSY Left guide plate ASSY DX paper actuator 1 2 DX feed roller ASSY Drive gear 14 DX paper actuator Guide actuator Paper actuator spring Guide actuator spring Hooks DX feed...

Page 112: ...t B40S2M142 from the DX feed ASSY 18 Remove the T belt B40S2M224 from the DX feed ASSY Fig 4 19 3 7 Rear Cover ASSY 1 Open the rear tray 2 Remove the two shoulder screws and remove the rear cover ASSY Fig 4 20 DX feed ASSY Side regist roller T belt B40S2M142 T belt B40S2M224 Rear cover ASSY Rear tray Shoulder screws 1 2 3 ...

Page 113: ...nother two at the rear 3 Remove the top cover ASSY as removing the connector of the panel harness ASSY Fig 4 21 4 Release the two hooks and remove the printed panel cover Fig 4 22 Printed panel cover Hooks Hook Top cover Shoulder screws Process unit cover ASSY Relay PCB L ASSY Panel harness ASSY Hook Hook Shoulder screws Top cover ASSY 1 2 3 1 2 ...

Page 114: ...el PCB ASSY 6 Disconnect the connector of back light PCB harness and LCD harness from the panel PCB ASSY Fig 4 23 7 Release the two hooks and remove the LCD holder Fig 4 24 Taptite cup B M3x8 Top cover LCD Back light PCB ASSY Hook Hooks LCD holder Top cover Panel PCB ASSY LCD harness Back light PCB harness ...

Page 115: ...B ASSY 9 Release the two hooks B and remove the LCD Fig 4 25 3 9 Side Cover L 1 Remove the two shoulder screws 2 Release the hook and remove the side cover L Fig 4 26 Back light PCB ASSY Hooks B Hooks A LCD holder LCD Side cover L Shoulder screw Shoulder screw 1 2 3 Diffusion film Hook Hooks Hook ...

Page 116: ...der screw 2 Release the three hooks and remove the side cover R Fig 4 27 3 11 MP Paper Guide 1 ASSY 1 Remove the MP paper guide 1 ASSY Fig 4 28 Hooks Side cover R MP paper guide 1 ASSY 2 1 Hook Shoulder screw 1 MP paper guide 1 ASSY MP cover ASSY MP cover ASSY MP cover ASSY Hooks ...

Page 117: ... from the process unit cover ASSY 3 Loosen the screw and remove the process unit cover ASSY and MP cover ASSY Fig 4 29 4 Remove the process unit cover ASSY from the MP cover ASSY Fig 4 30 MP cover ASSY Process unit cover ASSY Pin Pin Cover stopper ring Process unit cover ASSY MP cover ASSY 1 Screw 1 2 3 2 Arm Cover stopper ring Process unit cover ASSY ...

Page 118: ...ay PCB R ASSY 3 Remove the two cup S M3x6 Taptite screws and remove the exit roll unit Fig 4 31 4 Release the two hooks and remove the document cover sensor 5 Disconnect the connector Fig 4 32 Relay PCB L ASSY Taptite cup S M3x6 Taptite cup S M3x6 Exit roll unit Relay PCB R ASSY Connector Document cover sensor Hook Hook Connector B Exit roller unit Connector A ...

Page 119: ...50 6050D 6050DN SERVICE MANUAL 4 19 6 Release the four hooks and remove the exit roller cover 7 Remove the paper upper guide Fig 4 33 Hook Hook Exit roller cover Exit roller frame Hook Hook Paper upper guide ...

Page 120: ...Fig 4 34 3 Disconnect the connector 4 Remove the shoulder screw and remove the scanner fan Fig 4 35 NOTE After replacing the laser unit be sure to carry out the scanner check Refer to Chapter 7 3 2 Function table Service Menu mode Taptite cup S M3x16 Taptite cup S M3x16 Flat cable Connector Laser unit Shoulder screw Scanner fan Connector Relay PCB L ASSY Relay PCB L ASSY ...

Page 121: ...ff the power because its front side is heated 1 Disconnect the two connectors 2 Remove the two cup S M3x6 Taptite screws and remove the fixing unit Fig 4 36 3 Remove the four cup B M3x10 Taptite screws and remove the electrode cover Fig 4 37 Taptite cup B M3x10 Electrode cover Fuser cover upper Fixing unit Taptite cup S M3x6 Taptite cup B M3x10 ...

Page 122: ...and remove the thermostat 2 Fig 4 38 6 Pull out the harness 7 Remove the two cup B M3x10 Taptite screws pan S P washer M3x8 screw and bind M3x8 screw and remove the fuser cover upper Fig 4 39 Thermostat 1 Thermostat 2 Screw pan S P washer M3x8 Fuser cover upper Taptite cup B M3x10 Screw bind M3x8 Fuser cover upper Fixing unit Harness Screw pan S P washer M3x8 ...

Page 123: ...pan S P washer M3x8 screws 9 Remove the halogen heater 115S Fig 4 40 10 Remove the bind M3x8 screw and remove the thermistor C Fig 4 41 Screw pan S P washer M3x8 Screw pan S P washer M3x8 Halogen heater 115S Fixing unit Screw bind M3x8 Thermistor C Fixing unit ...

Page 124: ...lever L Fig 4 42 12 Remove the two bind S M3x6 Taptite screws and remove the side cover L 13 Remove the two bind S M3x6 Taptite screws and remove the side cover R Fig 4 43 Fixing unit Envelop lever R Envelop lever L Taptite bind S M3x6 Taptite bind S M3x6 Side cover R Side cover L Fixing unit ...

Page 125: ... remove the gear plate ASSY Fig 4 44 16 Remove the two shoulder screws and two separation plate springs and remove the separation plate Fig 4 45 Heat roller gear 30 Taptite bind S M3x6 Taptite bind S M3x6 Gear plate ASSY Fixing unit Shoulder screws Separation plate spring Separation plate spring Separation plate Fixing unit ...

Page 126: ...late 18 Remove the HR ring Fig 4 46 19 Remove the two HRB bearing holders the two HR ball bearings and the heat roller 34 Fig 4 47 Fixing unit Taptite bind S M3x6 Taptite bind S M3x6 HR hold plate HR hold plate HR ring Heat roller 34 HR ball bearing HR ball bearing HRB bearing holder HRB bearing holder Fixing unit ...

Page 127: ...se the three hooks and remove the front shoot Fig 4 48 21 Remove the pressure roller 30 22 Remove the two PR ball bearings from the pressure roller 30 Fig 4 49 Pressure roller 30 PR ball bearing Main frame Hooks Front shoot Main frame PR ball bearing ...

Page 128: ... 08 26 Remove the collar 8 and remove the bearing 08 Fig 4 50 27 Remove the collar 8 and move the release lever the envelope lever R and the envelope lever spring toward inside Fig 4 51 Collar 08 Bearing 08 Lever shaft Bearing 08 Eject gear T Hook Hook Release cam Main frame Collar 08 Main frame Envelope lever spring Envelope lever R Lever shaft Release lever ...

Page 129: ... collar 8 and move the release lever the envelope lever L and the envelope lever spring toward inside Fig 4 52 29 Remove the lever shaft Fig 4 53 Lever shaft Fixing unit Collar 08 Lever shaft Fixing unit Envelope lever spring Release lever Envelope lever L ...

Page 130: ...s and two pins and remove the open cover Fig 4 54 32 Disconnect the connector of the thermistor C 33 Remove the bind M3x4 screw and remove the fixing sensor PCB ASSY Fig 4 55 Open cover springs Open cover Hook Hook Pin Pin Fixing unit Thermistor C Fixing sensor PCB ASSY Screw bind M3x4 Fixing unit 1 1 2 ...

Page 131: ...and remove the eject roller gear 14 and eject roller bearing R 36 Remove the eject roller ASSY Fig 4 56 37 Remove the fixing sensor actuator and sensor spring Fig 4 57 Eject roller gear 14 R Eject roller gear 14 L Eject roller bearing R Open cover Open cover Fixing sensor actuator Sensor spring Eject roller ASSY Hook Hook Eject roller bearing L ...

Page 132: ...ng the fixing sensor actuator Fig 4 58 3 16 Separation Roller ASSY Feed Roller ASSY 1 Release the hook and remove the separation roller ASSY 2 Release the hook and remove the feed roller ASSY Fig 4 59 Feed roller ASSY Separation roller ASSY Hook Hook Paper feed holder ASSY Open cover Fixing sensor actuator ...

Page 133: ...ler cover 2 Remove the bearing R 3 Remove the paper pick up roller ASSY and roller collar 4 Remove the bearing L Fig 4 60 5 Remove the separation plate ASSY Fig 4 61 Roller collar Bearing R MP roller cover Bearing L Separation plate ASSY Paper pick up roller ASSY Roller collar ...

Page 134: ...e PCB 2 Remove the two cup S M3x6 Taptite screws and remove the fan motor 80 unit Fig 4 62 3 Release the four hooks and remove the fan holder A 4 Remove the fan motor 80 ASSY from the fan holder B Fig 4 63 Fan motor 80 unit Taptite cup S M3x6 Fan holder A Hooks Hooks Fan holder B Fan motor 80 ASSY Engine PCB ...

Page 135: ...remove the main duct 2 Remove the filter from the main duct Fig 4 64 3 20 Engine PCB 1 Disconnect the all connectors 2 Remove the three cup S M3x6 Taptite screws and remove the engine PCB Fig 4 65 Boss Boss Filter Main duct Hook Engine PCB Taptite cup S M3x6 2 1 Hook Pin Engine PCB ...

Page 136: ... screws and remove the main PCB Fig 4 66 NOTE After replacing the Main PCB be sure to carry out the scanner check Refer to Chapter 7 3 2 Function table Service Menu mode 3 22 Fan 40 1 Remove the two cup S M3x6 Taptite screws and remove the fan 40 Fig 4 67 Taptite cup S M3x6 Screws Main PCB Taptite cup S M3x6 Fan 40 2 1 LVPS Taptite cup S M3x6 ...

Page 137: ...he pan washer M3 5x6 screws and remove the ground wire Fig 4 68 4 Remove the two cup S M3x6 Taptite screws and remove the inlet unit 5 Remove the four cup S M3x6 Taptite screws and remove the LVPS Fig 4 69 Taptite cup S M3x6 Connector Main IF plate Ground wire Screw pan washer M3 5x6 Taptite cup S M3x6 Taptite cup S M3x6 Taptite cup S M3x6 LVPS Inlet unit Taptite cup S M3x6 Cable clamp ...

Page 138: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 38 6 Remove four screws LVPS cover and LVPS PCB Fig 4 70 Screw LVPS cover LVPS PCB ...

Page 139: ... 25 T1 Solenoid ASSY MP Solenoid ASSY 1 Remove the two cup S M3x6 Taptite screws and remove the feeding gear plate unit 2 Remove the spring 3 Remove the two cup S M3x6 Taptite screws and remove the solenoid holder Fig 4 72 Connector Photo interrupter Solenoid holder Taptite cup S M3x6 Taptite cup S M3x6 Feeding gear plate unit Spring ...

Page 140: ...enoid ASSY red Fig 4 73 8 Release the two hooks and remove the MP solenoid lever 9 Remove the solenoid spring MP 10 Remove the flanged M3x3 5 screw 11 Release the hook and remove the MP solenoid ASSY blue Fig 4 74 T1 solenoid lever solenoid spring MP T1 solenoid ASSY Hooks Solenoid holder MP solenoid ASSY MP solenoid lever Hooks Solenoid spring MP Solenoid holder Screw flanged M3x3 5 Screw flanged...

Page 141: ...nd remove the clutch spring separating Fig 4 75 3 27 Magnetic Clutch Regist Collar 6 1 Remove the two cup S M3x6 Taptite screws and remove the harness guard 2 Remove the collar 6 and remove the magnetic clutch regist Fig 4 76 Separating disk Hook Clutch spring separating Collar 6 Taptite cup S M3x6 Harness guard Collar 6 Magnetic clutch regist ...

Page 142: ...ig 4 77 2 Remove the five cup S M3x6 Taptite screws and remove the main motor ASSY 3 Release the hook and remove the gear 23 36 4 Remove the main motor harness ASSY Fig 4 78 Taptite cup S M3x6 Gear 23 36 Main motor harness ASSY Main gear plate ASSY Taptite cup S M3x6 Main gear plate ASSY Main motor ASSY Main motor ASSY Main gear plate ASSY ...

Page 143: ...r 4 and bearing 4 and remove the developer clutch Fig 4 79 3 30 Develop Joint 1 Remove the develop joint 2 Remove the joint stopper from the develop joint Fig 4 80 Developer clutch Main gear plate ASSY Bearing 4 Collar 4 Main gear plate ASSY Joint spring Develop joint Joint stopper ...

Page 144: ...or 2 Release the two hooks and remove the interlock SW ASSY Fig 4 81 3 32 Relay PCB L ASSY 1 Disconnect the all connectors 2 Remove the cup S M3x6 Taptite screw and remove the relay PCB L ASSY Fig 4 82 Hooks Interlock SW ASSY Taptite cup S M3x6 Relay PCB L ASSY Hooks Pin 1 2 Relay PCB L ASSY ...

Page 145: ...ease the hook and remove the DEV sensor ASSY Fig 4 83 3 34 Toner LED PCB ASSY 1 Match the hook A with the orientation of the hole 2 Release the hook B and remove the toner LED PCB ASSY Fig 4 84 Toner LED PCB ASSY Hook A Hook B Hook Hook DEV switch holder DEV sensor ASSY Toner LED PCB ASSY Frame Toner LED PCB ASSY Hook A ...

Page 146: ... M3x6 Taptite screws and remove the fixing drive plate unit 2 Remove the gear collar from the fixing drive plate unit and remove the gear 18 48 Fig 4 85 3 36 Gear 24 1 Release the hook and remove the gear 24 Fig 4 86 Gear collar Gear 18 48 Taptite cup S M3x6 Fixing drive plate unit Gear 24 Hook ...

Page 147: ...ig 4 87 3 Remove the two bind B M4x10 Taptite screws and remove the motor gear plate ASSY 4 Remove the bind M3x4 screw and remove the plate motor ASSY 5 Remove the worm gear from the plate motor ASSY Fig 4 88 Taptite cup S M3x6 Spring Tray guide left front Screw bind B M3x4 Taptite bind B M4x10 Worm gear Tray guide left front Motor gear plate ASSY Plate motor ASSY ...

Page 148: ...or relay PCB ASSY Fig 4 89 3 Remove the three cup S M3x6 Taptite screws and remove the tray guide left rear ASSY 4 Remove the bind M3x8 Taptite screw and remove the DX sensor PCB Fig 4 90 Taptite bind B M4x10 Base plate Tray guide left rear ASSY Sensor relay PCB ASSY Connector Tray guide left rear ASSY Taptite cup S M3x6 Taptite bind M3x8 DX sensor PCB DX sensor PCB Taptite cup S M3x6 Taptite cup ...

Page 149: ...remove the ejection gear plate unit Fig 4 91 3 Remove the flanged M3x3 5 screw and remove the ejection solenoid ASSY 4 Remove the solenoid damper from the ejection solenoid lever NOTE Remove the solenoid damper as shown in the figure Fig 4 92 Taptite cup S M3x6 Relay PCB R ASSY Ejection gear plate unit Screw flanged M3x3 5 Ejection solenoid ASSY Ejection gear plate unit ...

Page 150: ...ght rear Fig 4 93 2 Remove the three cup S M3x6 Taptite screws and remove the size SW spring 3 Disconnect the connector from the relay PCB R ASSY 4 Remove the cup S M3x6 Taptite screw and remove the size SW PCB ASSY Fig 4 94 Relay PCB R ASSY Taptite cup S M3x6 Size SW spring Size SW PCB ASSY Taptite cup S M3x6 Tray guide right rear Taptite cup S M3x6 ...

Page 151: ... HVPS PCB ASSY 1 Remove the two bind B M4x10 Taptite screws and remove the insulation sheet HVPS 2 Disconnect the connector from the HVPS PCB ASSY 3 Remove the two bind B M4x10 Taptite screws and remove the HVPS PCB ASSY Fig 4 96 Taptite bind B M4x10 Taptite bind B M4x10 Insulation sheet HVPS HVPS PCB ASSY Taptite cup S M3x6 Toner sensor PCB unit Connector ...

Page 152: ... Front Regist Actuator Rear Regist Actuator Spring 1 Release the hook and remove the regist actuator front and regist actuator spring 2 Release the hook and remove the regist actuator rear and regist actuator spring Fig 4 98 Taptite bind B M3x8 Relay PCB unit Taptite cup B M3x8 Ground wire Pins Hook Regist actuator front Regist actuator rear Regist actuator springs Regist actuator front Hook Regis...

Page 153: ...nd remove the under bar 2 Remove the bind B M3x8 Taptite screws and remove the tray sensor PCB holder 3 Release the two hooks and remove the PE PO sensor PCB ASSY Fig 4 99 Taptite cup S M3x6 Take out screws for the other side too Hook Taptite bind B M3x8 Tray sensor PCB holder PE PO sensor PCB ASSY Hook Under bar ...

Page 154: ...emove the FR bearing AML 3 Remove the collar 6 4 Remove the paper feed spring 5 Remove the paper feed holder ASSY Fig 4 100 6 Remove the tray PE actuator from the paper feed holder ASSY Fig 4 101 FR bearing AML Collar 6 Paper feed spring Paper feed holder ASSY Paper feed holder ASSY Tray PE actuator Gear 33 1 2 ...

Page 155: ... the collar 6 and bearing A 2 Remove the collar 8 and bearing A 3 Remove the RE roller Fig 4 102 3 48 F Chute Unit 1 Press the left and right levers and remove the F chute unit Fig 4 103 Collar 6 Bearing A Bearing A RE roller 1 2 3 F chute unit Lever Lever Collar 8 ...

Page 156: ...e cam 4 Remove the drum lock lever Fig 4 104 5 Release the hook and remove the jam remove knob 6 Release the hook and remove the gear 24 7 Remove the FR bearing AML 8 Remove the collar 4 and FR bearing AML TR and remove the F roller AML Fig 4 105 DEV release cam DEV release shaft Drum lock lever FR bearing AML Collar 6 Drum lock lever spring Collar 4 FR bearing AML TR Gear 24 FR bearing AML F roll...

Page 157: ...e the collar 6 and FR bearing AML and remove the F roller AML MP Fig 4 106 12 Remove the FR bearing AML 13 Remove the collar 6 and FR collar A4 R and remove the F roller AML A4 Fig 4 107 Collar 6 FR bearing AML Gear 24 FR bearing AML F roller AML MP Collar 6 FR collar A4 R F roller AML A4 FR bearing AML 3 1 2 1 2 3 Hook ...

Page 158: ...emove the paper feed frame unit Fig 4 108 16 Remove the bind B M4x10 Taptite screw of left side 17 Remove the two cup S M3x6 Taptite screws and remove the tray guide right front ASSY Fig 4 109 Taptite cup S M3x6 Tray guide right front ASSY Taptite bind B M4x10 1 1 2 Paper feed frame unit Taptite cup S M3x6 ...

Page 159: ... Release the hook and remove the gear 67 and conductor bearing 5 21 Lift the MP chute as shown in the figure Fig 4 110 22 Release the hook and remove the MP PE sensor actuator 1 Fig 4 111 Taptite bind B M3x10 Taptite bind B M3x10 MP chute MP pressure spring 25 MP pressure spring 25 Gear 67 Conductor bearing 5 1 1 2 MP chute MP PE sensor actuator 1 ...

Page 160: ...Y 4 60 23 Remove the MP PE sensor actuator 2 from the shaft 24 Remove the cup B M3x8 Taptite screw and remove the MP sensor PCB ASSY Fig 4 112 MP chute Taptite cup B M3x8 MP sensor PCB ASSY MP PE sensor actuator 2 MP sensor PCB ASSY Pins ...

Page 161: ...HL 6050 6050D 6050DN SERVICE MANUAL 4 61 4 PACKING Fig 4 113 Accessory bag Pad Pad AC cords Printer Pad Carton Drum unit ...

Page 162: ... C Relatively poor solder wettability and spread difficult to wet and spread and hard Appearance dull and grainy surface different from that of conventional solder Relatively poor wettability rough surface bumps are likely to be formed and solder dragging Poor solder elevation Poor thermal conductivity and heat resistant difficult to melt 2 Metal composition wire solder The metal composition of le...

Page 163: ...ldering iron for exclusive use with lead free solder must only be used a soldering iron used for soldering with tin lead solder must not be used with lead free solder The use of soldering irons designed for lead free solder is desirable see 7 Soldering iron below 4 The requirement for the temperature of the soldering iron s tip is the same as that for soldering using conventional solder the temper...

Page 164: ...ee solder is higher than that of conventional solder so productivity will decrease with conventional soldering irons Some tool manufacturers sell soldering irons designed for lead free solder and that can maintain the productivity of the soldering operations The soldering irons used at BIL are model no 941 manufactured by HAKKO and M6 SIC 40 manufactured by BONKOTE The prices of these soldering ir...

Page 165: ...AL 4 65 6 LUBRICATION Apply the specified lubricants to the lubrication points as shown below PG4 PG4 PG4 Grease PG 662 4mm dia ball BG4 BG4 BG4 Grease BG MS 4mm dia ball Main gear plate ASSY Develop joint Main gear plate ASSY Gear 61B ...

Page 166: ...SSEMBLY AND RE ASSEMBLY 4 66 BG4 BG4 Grease BG MS 4mm dia ball FG4 FG4 FG4 Grease FG 80H 4mm dia ball FG4 FG4 Main motor ASSY Gear 18 48 Fixing drive plate unit Fixing drive plate unit FG4 Grease FG 80H 4mm dia ball ...

Page 167: ...HL 6050 6050D 6050DN SERVICE MANUAL 4 67 BG4 BG4 BG4 Grease BG MS 4mm dia ball BG4 BG4 Grease BG MS 4mm dia ball Gear 67 Gear 24 Gear 24 ...

Page 168: ...APTER 4 DISASSEMBLY AND RE ASSEMBLY 4 68 EM4 EM4 EM4 PG4 EM4 Grease EM D110 4mm dia ball PG4 Grease PG 662 4mm dia ball DX feed ASSY Side regist roller DX paper actuator Drive gear 14 DX feed roller ASSY ...

Page 169: ...50 6050D 6050DN SERVICE MANUAL 4 69 7 HARNESS ROUTING Exit roll unit Laser unit Laser unit Relay PCB L ASSY Relay PCB L ASSY Exit roll unit Main PCB Exit roll unit Document cover sensor Relay PCB R ASSY 1 2 ...

Page 170: ...CHAPTER 4 DISASSEMBLY AND RE ASSEMBLY 4 70 Toner sensor PCB unit Toner sensor PCB unit Relay PCB L ASSY Main PCB HVPS PCB ASSY Engine PCB 3 4 Relay PCB unit HVPS PCB ASSY Relay PCB unit ...

Page 171: ... 6050D 6050DN SERVICE MANUAL 4 71 Scanner fan Relay PCB L ASSY Relay PCB L ASSY Engine PCB Interlock SW ASSY Fan 40 Interlock SW ASSY Scanner fan Toner LED PCB ASSY Toner LED PCB ASSY Fan 40 5 7 6 8 Engine PCB ...

Page 172: ...D RE ASSEMBLY 4 72 Plate motor ASSY DX sensor PCB PE PO sensor PCB ASSY 9 LVPS PCB LVPS PCB Plate motor ASSY Tray guide left front Engine PCB DX sensor PCB PE PO sensor PCB ASSY Relay PCB unit Main PCB 10 11 12 Relay PCB unit ...

Page 173: ...0DN SERVICE MANUAL 4 73 T1 solenoid ASSY MP solenoid ASSY T1 solenoid ASSY MP solenoid ASSY 13 Size SW PCB ASSY Size SW PCB ASSY 15 14 Engine PCB Engine PCB Magnetic clutch regist Magnetic clutch regist Relay PCB R ASSY ...

Page 174: ...res 1 CONSUMABLE PARTS The consumable parts described in this section are parts which are subject to deterioration or damage and should be replaced at least once during the period of warranty of the product if any print quality problem appears 1 1 Drum Unit The CHANGE DRUM SOON message appears on the LCD display when the drum unit is nearly at the end of its life Life expectancy 30 000 pages When ...

Page 175: ...toner cartridge out of the drum unit assembly Fig 5 3 4 Unpack the new drum unit 5 Put the toner cartridge firmly into the new drum unit until you hear it lock into place If you put the cartridge in properly the blue lock lever will lift automatically 6 Check that the blue tab is on the home position Fig 5 5 7 Gently wipe the scanner window with a dry soft cloth Fig 5 4 Fig 5 5 8 Put the drum unit...

Page 176: ...r hands or clothes wipe or wash it off with cold water immediately Discard the used drum unit according to local regulations Be sure to seal up the drum unit tightly so that toner powder does not spill out of the unit Do not reset the page counter when replacing the toner cartridge only It is recommended to clean the printer when you replace the drum unit Refer to subsection 3 PERIODICAL CLEANING ...

Page 177: ...aper at 5 print coverage NOTE There are many factors that determine the actual toner life such as temperature humidity type of paper that you use the number of pages per print job etc Replacement Procedure 1 Press the cover release button and then open the front cover of the printer 2 Take out the drum unit assembly drum unit with toner cartridge Fig 5 8 CAUTION 1 It is recommended to place the dr...

Page 178: ...new toner cartridge firmly into the drum unit until you hear it lock into place If you put it in properly the lock lever will lift automatically 7 Gently wipe the scanner window with a dry soft cloth Fig 5 13 8 Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times Return the tab to the home position before you put the d...

Page 179: ...idge which is specially formulated to ensure top print quality Printing with a 3rd party toner or toner cartridge may reduce not only the printing quality but also the quality and life of the printer itself It may also cause serious damage to the performance and life of a genuine Brother drum unit Warranty coverage does not apply to problems caused by the use of 3rd party toner or toner cartridges...

Page 180: ... 115V REPLACE FUSER 1 150 000 pages Fixing Unit 230V REPLACE FUSER 1 150 000 pages See subsection 3 15 in CHAPTER 4 Paper feeding kit for MP tray 2 REPLACE PF KITMP 1 100 000 pages See subsection 3 16 in CHAPTER 4 Paper feeding kit for Tray 1 2 REPLACE PF KIT1 1 100 000 pages See subsection 3 3 in CHAPTER 4 Paper feeding kit for Tray 2 2 REPLACE PF KIT2 1 100 000 pages See subsection 3 3 in CHAPTE...

Page 181: ...CHAPTER 5 PERIODIC MAINTENANCE 5 8 2 1 Replacing the Fixing Unit Uninstalling Procedure 1 Pull out the paper tray Fig 5 16 2 Remove the DX feed ASSY from the printer Fig 5 17 Paper tray DX feed ASSY ...

Page 182: ...4 Remove the two shoulder screws and remove the rear cover ASSY Fig 5 18 5 Disconnect the two connectors 6 Remove the two cup S M3x6 Taptite screws and remove the fixing unit Fig 5 19 Fixing unit Taptite cup S M3x6 Rear cover ASSY Shoulder screws Rear tray 1 2 3 ...

Page 183: ...inter 2 Secure the fixing unit with the two cup S M3x6 Taptite screws 3 Connect the two connectors Fig 5 20 4 Set the rear tray 5 Secure the rear cover ASSY with the two shoulder screws 6 Close the rear tray Fig 5 21 Fixing unit Taptite cup S M3x6 Rear cover ASSY Shoulder screws Rear tray 1 2 3 ...

Page 184: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 11 7 Install the DX feed ASSY into the printer Fig 5 22 8 Put the paper tray into the printer Fig 5 23 DX feed ASSY Paper tray ...

Page 185: ...edure 1 Pull out the paper tray Fig 5 24 2 Remove the separation pad ASSY and the separation pad spring from the paper tray NOTE Be sure not to lose the separation pad spring when you remove the separation pad ASSY Fig 5 25 Paper tray Paper tray Separation pad spring Separation pad ASSY 3 2 2 1 ...

Page 186: ...CE MANUAL 5 13 3 Turn over the machine 4 Release the hook and remove the separation roller ASSY 5 Release the hook and remove the feed roller ASSY Fig 5 26 Paper feed holder ASSY Feed roller ASSY Separation roller ASSY Hook Hook ...

Page 187: ...Y 2 Set the separation roller ASSY onto the paper feed holder ASSY 3 Place the printer on its base Fig 5 27 4 Fix the separation pad ASSY and separation pad spring onto the paper tray Fig 5 28 Separation roller ASSY Paper feed holder ASSY Feed roller ASSY Paper tray Separation pad ASSY Separation pad spring 1 2 3 2 ...

Page 188: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 15 5 Put the paper tray into the printer Fig 5 29 Paper tray ...

Page 189: ...Open the process unit cover ASSY and remove the drum unit Fig 5 30 2 Open the MP roller cover 3 Remove the bearing R 4 Remove the paper pick up roller ASSY and two roller collars Fig 5 31 Process unit cover ASSY Drum unit Bearing R MP roller cover Roller collar Roller collar Paper pick up roller ASSY ...

Page 190: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 17 5 Remove the separation plate ASSY Fig 5 32 Separation plate ASSY ...

Page 191: ...1 Set the separation plate ASSY Fig 5 33 2 Set the paper pick up roller ASSY and two roller collars 3 Fix the bearing R 4 Close the MP roller cover Fig 5 34 Separation plate ASSY Bearing R Roller collar Roller collar Paper pick up roller ASSY MP roller cover ...

Page 192: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 19 5 Install the drum unit into the printer and close the process unit cover ASSY Fig 5 35 Drum unit Process unit cover ASSY ...

Page 193: ...CE 5 20 2 4 Replacing the Laser Unit Uninstalling Procedure 1 Open the process unit cover ASSY and remove the drum unit 2 Pull out the paper tray Fig 5 36 3 Remove the DX feed ASSY from the printer Fig 5 37 Paper tray DX feed ASSY ...

Page 194: ...ss unit cover ASSY 7 Remove the two shoulder screws at the front and another two at the rear 8 Remove the top cover ASSY as removing the connector of the panel harness ASSY Fig 5 39 Hook Top cover ASSY Shoulder screws Process unit cover ASSY Relay PCB L ASSY Panel harness ASSY Hook Shoulder screws 1 2 3 Rear cover ASSY Shoulder screws Rear tray 1 2 3 ...

Page 195: ...ODIC MAINTENANCE 5 22 9 Disconnect the connector and flat cable 10 Remove the four cup S M3x16 Taptite screws and remove the laser unit Fig 5 40 Taptite cup S M3x16 Taptite cup S M3x16 Laser unit Connector Flat cable ...

Page 196: ...at cable Fig 5 41 3 Connect the panel harness ASSY of the top cover ASSY into the relay PCB L ASSY 4 Secure the top cover ASSY with the four shoulder screws Fig 5 42 Taptite cup S M3x16 Taptite cup S M3x16 Laser unit Connector Flat cable Top cover ASSY Hook Hook Shoulder screws Process unit cover ASSY Panel harness ASSY Relay PCB L ASSY Shoulder screws 1 2 ...

Page 197: ... MAINTENANCE 5 24 5 Secure the rear cover ASSY with the two shoulder screws 6 Close the rear tray Fig 5 43 7 Install the DX feed ASSY into the printer Fig 5 44 Rear cover ASSY Shoulder screws Rear tray DX feed ASSY 3 2 1 ...

Page 198: ...050D 6050DN SERVICE MANUAL 5 25 8 Install the drum unit into the printer and close the process unit cover ASSY Fig 5 45 9 Put the paper tray into the printer Fig 5 46 Paper tray Drum unit Process unit cover ASSY ...

Page 199: ...e cleaning the printer make sure that the power switch has been turned off and the power cord has been unplugged from the power outlet 3 1 Cleaning the Printer Exterior Clean the printer exterior to keep the printer clean 1 Turn off the printer power switch and then unplug the printer power cord 2 Take the paper tray out of the printer 3 Open the multi purpose tray 4 Wipe the outside of the printe...

Page 200: ...rtridge CAUTION 1 It is recommended to place the drum unit assembly on a piece of disposable paper or cloth in case you accidentally spill or scatter toner 2 To prevent damage to the printer from static electricity do not touch the electrodes shown in the figure below Fig 5 49 4 Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times Retur...

Page 201: ...ll or scatter toner 2 Be careful not to inhale the toner 3 After you have just used the printer some parts inside the printer are extremely hot When you open the front cover of the printer never touch the fuser and fixing roller 4 Gently wipe the scanner window with a soft dry cloth Fig 5 51 5 Put the drum unit assembly in the printer 6 Close the front cover 7 Plug the printer power cord back in a...

Page 202: ...btain the best print performance be sure to clean the electrical terminals inside the printer body 1 Turn off the power switch and unplug the power cord 2 Remove the drum unit from the printer 3 Wipe the electrical terminals as shown in the figure below with a soft dry cloth Fig 5 52 ...

Page 203: ...lure MTBF and the meantime to repair MTTR for this printer are as follows MTBF Up to 4 000 hours MTTR Average 30 minutes except the periodical maintenance parts the Paper Feeding Kit and the printer control boards whose MTTR is average 5 minutes Monthly volume 60 000 pages ...

Page 204: ...The printer is not placed where the ventilation hole of the printer is blocked 2 Print paper Check if A recommended type of print paper is being used If the paper is too thick or too thin or tends to curl paper jams or paper feed problems may occur or printed images may be blurred The print paper is damp If so use fresh paper and check whether the print quality improves or not The print paper is s...

Page 205: ...ndensation has occurred print several pages or leave the printer for 2 hours to allow it to reach room temperature If the drum unit is unpacked soon after it is moved from a cold room to a warm room condensation may occur inside the unit which may cause incorrect images Instruct the user to allow the unit to come to room temperature before unpacking it This will take one or two hours 1 2 Warnings ...

Page 206: ...technicians should perform Error message appears on LCD display The printer does not start printing 3 1 Paper Loading Problems 3 2 Paper Jams 4 Software Setting Problems Paper jam occurs Printed image has a problem 6 Image Defects 3 3 Paper Feeding Problems Printout is not correct 7 Incorrect Printout The printer does not print Printed page has a problem 2 1 Operator Calls 2 2 Service Calls 5 Malf...

Page 207: ...conds then turn it on again If this error message appears again replace the CompactFlash card with a new one CARTRIDGE ERROR Take out the toner cartridge and put it back into the printer again Refer to subsection 1 2 Toner Cartridge in CHAPTER 5 CLEAN DRUM UNIT Open the front cover Take out the drum unit assembly Gently slide the blue tab of the drum unit across several times DIMM ERROR Re install...

Page 208: ...ERROR DX You can only use A4 Letter and Legal size for duplex printing Check the printer driver setting and put the correct sized paper in the paper tray or multi purpose tray that is selected in the printer driver SIZE ERROR T1 T2 Put the same size paper in the paper tray or multi purpose tray that is selected in the printer driver SIZE MISMATCH Put the same size paper in the paper tray or multi ...

Page 209: ...IT1 REPLACE PF KIT2 Replace the paper feeding kit Separation pad spring Separation pad assy Separation roller assy Feed roller assy Refer to 2 PERIODICAL REPLACEMENT PARTS in CHAPTER 5 REPLACE FUSER Replace the fixing unit Refer to subsection 3 15 Fixing Unit in CHAPTER 4 REPLACE LASER Replace the laser unit Refer to subsection 3 14 Laser Unit in CHAPTER 4 CHECK NET BOARD The installed network boa...

Page 210: ... then turn it on again If the error is not cleared and the same service call appears identify the error from the table on the next page and take the corrective action described for each indication to correct it Error occurs Confirm the LCD indication Turn OFF ON the power switch Error occurs again See section 5 MALFUNCTIONS Temporary error Use the printer with out corrective action NO YES ERROR SE...

Page 211: ...ew seconds then turn it on again If still remains replace the main PCB ERROR S07 Breakpoint error Turn off the printer Wait a few seconds then turn it on again If still remains replace the main PCB ERROR S08 Illegal instruction Turn off the printer Wait a few seconds then turn it on again If still remains replace the main PCB ERROR S09 No fpu Turn off the printer Wait a few seconds then turn it on...

Page 212: ...output from high voltage power supply unit in this chapter ERROR E58 Malfunction of TR Release Motor Turn off the printer Wait a few seconds and then turn it on again Refer to M 12 TR Release Motor error in this chapter ERROR E59 Malfunction of Fan 1 Turn off the printer Wait a few seconds and then turn it on again Replace the Fan Motor ERROR E60 Malfunction of Fan 0 Turn off the printer Wait a fe...

Page 213: ...AM error NV RAM error in this chapter ERROR H68 NV RAM bus error Turn off the printer Wait a few seconds and then turn it on again Refer to M 10 ROM error D RAM error NV RAM error in this chapter ERROR H73 Flash reading error Turn off the printer Wait a few seconds and then turn it on again ERROR H74 Flash writing error Turn off the printer Wait a few seconds and then turn it on again ...

Page 214: ...e manual feed mode in the printer driver The printer does not load envelopes The printer can load envelopes from the multi purpose tray You must set up your application software to print on the size of envelopes you are using This is usually done in the page setup or document setup menu of the software Refer to the software application manual Envelope is creased after it is printed Open the back o...

Page 215: ... printer 2 Make sure that the appropriate printer driver is selected When printing on normal paper it creases Change the printer driver setting in Media to the Thin setting When printing on Legal size paper or longer sized paper the paper slides off the top output tray Pull up the output tray support flap ...

Page 216: ...apter After you have removed all the jammed paper open the front cover and then close it again to start printing JAM REAR JAM MP TRAY JAM INSIDE JAM TRAY 1 JAM TRAY 2 JAM DUPLEX Fig 6 1 JAM TRAY1 JAM TRAY2 JAM MP TRAY JAM INSIDE JAM REAR JAM DUPLEX Paper jam in the upper tray TRAY 1 Paper jam in the lower tray TRAY 2 Paper jam in the multi purpose tray Paper jam inside the printer Paper jam where ...

Page 217: ...g 6 4 3 Put paper below the maximum paper mark While pressing the blue paper guide release lever slide the paper guides to fit the paper size Check that the guides are firmly in the slots 4 Put the paper tray firmly back in the printer 5 Open the front cover of the printer and then close it to resume printing CAUTION Do not take out the paper tray while paper is feeding from a lower paper tray bec...

Page 218: ... 5 JAM INSIDE paper jam inside the printer 1 Press the cover release button and then open the front cover of the printer Fig 6 6 2 Take out the drum unit assembly drum unit with the toner cartridge Fig 6 7 3 Use both hands to slowly pull out the jammed paper Fig 6 8 4 Push down the blue lock lever of the drum unit assembly and take the toner cartridge out of the drum unit assembly Remove a piece o...

Page 219: ...move the jammed paper carefully so you do not spread toner Take care not to stain your hands and clothes with toner Wash toner stains immediately with cold water We recommend that you put the drum unit assembly on a piece of disposable paper or cloth in case you accidentally spill the toner Handle the toner cartridge carefully If toner scatters on your hands or clothes wipe or wash it off with col...

Page 220: ...the drum unit assembly drum unit with the toner cartridge Fig 6 11 CAUTION We recommend that you place the drum unit assembly on a piece of disposable paper or cloth in case you accidentally spill or scatter toner To prevent damage to the printer from static electricity do not touch the electrodes shown in the figure below 3 Use both hands to slowly pull out the jammed paper Fig 6 12 ...

Page 221: ...ad sides Fig 6 14 6 Open the jam clear cover by pushing the levers inward at the left and right hand sides Pull the jammed paper out of the fuser unit Fig 6 15 7 Close the jam clear cover 8 Close the back output tray 9 Put the drum unit assembly back in the printer press firmly 10 Close the front cover of the printer ...

Page 222: ... front cover of the printer never touch the fuser or the fixing roller JAM DUPLEX paper jam in the duplex unit 1 Open the back output tray Fig 6 16 2 Pull the jammed paper out of the fuser unit Fig 6 17 3 Close the back output tray If the paper jam cannot be cleared go to the next step 4 Pull the duplex tray and paper tray out of the printer Fig 6 18 ...

Page 223: ...M DUPLEX message appears if you remove a sheet of paper from the face down output tray after only one side has printed The paper sizes you can use for the duplex printing function are A4 Letter or Legal If the paper adjustment lever for duplex printing is not set correctly for the paper size paper jams may occur and printing will be out of position on the page ...

Page 224: ... Jam caused by paper length detected as shorter than 80mm The front registration sensor was turned off early Malfunction of actuator or hardware noise Check the front registration sensor referring to subsection 3 2 TEST MENU SENSOR TEST in Chapter7 Top of paper stopped between the paper feed roller and the pick up roller Jam caused by a paper feed delay Paper was not fed in at the proper timing du...

Page 225: ...r specifications 3 Try printing using the straight through output path 4 Turn over the stack of paper in the tray or try rotating the paper 180 in the tray Possible cause Step Check Result Remedy Paper 1 Is the problem solved if new paper is used Yes Instruct the user how to store paper so that it does not absorb moisture Fixing unit entrance guide 2 Is the entrance guide dirty Yes Clean the entra...

Page 226: ...r too long in the paper tray Turn over the stack of paper in the paper tray Also try rotating the paper 180 in the paper tray 3 Try printing using the straight through output path NOTE For no paper supplied as the cause of a malfunction see M 4 No paper supplied in 5 MALFUNCTIONS in this Chapter F 5 Prints only single side of the paper when duplex printing User Check Check the size of the paper us...

Page 227: ... same port which is also connected to a mass storage device or scanner Remove all other devices and connect the port to the printer only Turn off the printer status monitor in the device options tab in the printer driver 5 If the print port is set as an ECP port change it to a normal port 6 Try printing the test page referring to subsection 4 5 1 Information PRINT TEST in Chapter 2 7 Try resetting...

Page 228: ... PC and printer cable No Replace the main PCB Yes This problem may appear under the specified system environment Check the environment which the user used S 3 Unable to print from application software with an Apple Macintosh Computer User Check 1 Check that the supplied Macintosh printer driver is installed in the System Folder and it is selected with Chooser 2 Check the PORT selection within the ...

Page 229: ...tion or 0x4f9 No Check the printer is turned on and the USB interface cable is connected correctly Check that the USB cable used is the shielded twisted pair type and 5 m or less Try to connect the printer and PC with the USB cable directly Driver installation 2 Are there the following files in the Extensions Folder of System Folder No Try to re install the printer driver For System 8 6 or higher ...

Page 230: ...ector Low voltage power supply PCB 3 Is the problem solved by replacing the low voltage power supply PCB Yes Replace the low voltage power supply PCB M 1 2 Main PCB LED is ON Dimmed Possible cause Step Check Result Remedy Main PCB 1 Is the problem solved by replacing the main PCB Yes Replace the main PCB M 1 3 Main PCB LED is ON Fully lit up Possible cause Step Check Result Remedy Harness connecti...

Page 231: ...p roller failure 1 Is the surface of the separation pad or the pick up roller dirty or worn out Yes 1 Clean the surface of the separation pad or pick up roller 2 Replace the separation pad or pick up roller Failure of connector 2 Is the contact of the solenoid connector on the engine PCB good No Reconnect the connector Engine PCB circuit 3 Set paper in the manual paper slot and make a test print b...

Page 232: ...ilure Possible cause Step Check Result Remedy Poor thermistor harness contact 1 Is the contact of connector P6 on the engine PCB good No Reconnect the connector Blown thermal fuse 2 Remove the fixing unit and measure the resistance of the thermal fuse Is it open circuit Yes Replace the fixing unit Thermistor failure 3 Is the thermistor installed properly Yes Replace the fixing unit No Reinstall th...

Page 233: ...Yes Replace the fixing unit Thermistor failure 3 Is the thermistor installed properly Yes Replace the fixing unit No Reinstall the thermistor properly Halogen heater lamp failure 4 Remove the fixing unit and measure the resistance of the halogen heater lamp Is it open circuit Yes Replace the halogen heater lamp Heater harness connection failure 5 Is the heater harness connector connected to the lo...

Page 234: ...tware bug 2 Does this problem appear when printing specific data or printing under a specific environment Yes Inform the Brother office of the used specific data printer condition and system environment M 11 E41 error Possible cause Step Check Result Remedy Process unit ground wire connection 1 Is the ground wire on the process unit secured correctly No Secure the ground wire correctly with the sh...

Page 235: ...lure of TR Release Motor connector and TR Release Motor sensor 1 Is the contact of connector CN20 and CN3 on the engine PCB good No Reconnect the connector Power on 2 Does the TR Release Motor work properly Yes Replace the TR Release Motor Sensor or the engine PCB No Replace the engine PCB or the TR Release Motor ...

Page 236: ...t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P ...

Page 237: ... cartridge is replaced with a full one Yes The wiper of the toner cartridge is defective Replace the toner cartridge Drum connection failure 3 Are all the contacts between the drum unit and printer body connected correctly No Clean contact electrodes both on the drum unit and in the printer body 1 4 5 6 High voltage power supply PCB failure 4 Is the harness connection between the high voltage powe...

Page 238: ...a new one High voltage power supply PCB failure 4 Is the connections of the connector between the high voltage power supply PCB and the engine PCB secured correctly Yes Replace the high voltage power supply PCB Main PCB failure 5 Are there any disconnected connectors No Replace the main PCB Engine PCB failure 6 Are there any disconnected connectors No Replace the engine PCB User Check 1 Check the ...

Page 239: ...nit failure 3 Is the problem solved after replacing the drum unit Yes Replace the drum unit Toner cartridge failure 4 Is the problem solved after replacing the toner cartridge Yes Replace the toner cartridge with a new one Scanner harness connection failure 5 Is the scanner harness connected securely Check if there is any play in the connection No Reconnect the connector correctly Main PCB failure...

Page 240: ...Yes Clean both electrodes 3 Harness connection 4 Is the laser unit connected to the main PCB correctly No Connect the harness between the laser unit and the main PCB correctly High voltage power supply PCB failure 5 Is the problem solved after replacing the high voltage power supply PCB Yes Replace the high voltage power supply PCB Main PCB failure 6 Is the problem solved after replacing the main ...

Page 241: ...ssure roller Clean the pressure roller as follows 1 Set three or more sheets of paper in the paper tray 2 Turn off the power switch of the printer 3 While holding down the Go switch press switch switch and then Set switch The LCD display shows TEST MENU 4 Press the Set switch and SINGLE TEST PRINT will appear on the LCD display 5 Press the switch and REPEAT TEST PRINT will appear on the LCD displa...

Page 242: ... streaks Yes Replace the drum unit Scratch on the heat roller 5 Is the surface of the heat roller scratched Yes Replace the fixing unit NOTE If you print the same pattern especially vertical streaks continuously electrostatic charge performance of the drum will decrease temporarily and black vertical streaks may appear on the paper This problem may occur with noise due to the corona wire being dir...

Page 243: ... Are the charge electrodes between the printer body and the drum unit dirty Yes Clean both electrodes 3 High voltage power supply PCB failure 5 Is the problem solved after replacing the high voltage power supply PCB Yes Replace the high voltage power supply PCB I 8 Black vertical streaks in a gray background Possible cause Step Check Result Remedy Ground contacts Translucent stain on the scanner w...

Page 244: ...the electrodes at both sides 4 User Check 1 Try to wipe the scanner window with a soft cloth 2 The toner cartridge may be damaged Install a new toner cartridge 3 Check the printer s environment High temperature and high humidity conditions can cause this problem 4 Damp wet paper might be used Try to change to freshly unpacked paper User Check 1 Check the paper used meets the recommended paper spec...

Page 245: ...rom the correct position Yes Reposition the sensor to the correct position I 12 Poor fixing Possible cause Step Check Result Remedy Print paper 1 Is thick paper of more than 43lb being used Yes Recommend to use the specified types of paper Toner sensing failure When printing is faint 2 Is the problem solved by replacing the drum unit or the toner cartridge Yes 1 Toner is empty 2 The toner sensing ...

Page 246: ... t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t...

Page 247: ...idge almost empty Yes Replace the toner cartridge with a new one Print paper 4 Is the problem solved after changing to specified freshly unpacked paper Yes Damp wet paper might be used Recommend to change freshly unpacked paper Environment 5 Does the problem still appear after the printer has warmed up Yes 1 Replace the drum unit 2 Advise the user of the specified print environment User Check 1 If...

Page 248: ...oking at the surface of the photosensitive drum Fig 6 23 3 Wipe the surface of the photosensitive drum with a cotton swab until the dust or paper powder on the surface comes off Fig 6 24 CAUTION Do not wipe the surface of the photosensitive drum with something sharp ball point pen etc Use cleaning liquid which is a 50 50 mixture of ethyl alcohol and pure water Position of smudge on the drum 94mm i...

Page 249: ...o Clean contact electrode both on the drum unit and in the printer body 8 Fixing unit 3 Are the spots at 107 7mm intervals The problem is not solved after printing a few pages Yes 1 Check and clean the heat roller with a cloth dampened with alcohol 2 Replace the fixing unit High voltage power supply PCB failure 4 Is the problem solved after replacing the high voltage power supply PCB Yes Replace t...

Page 250: ...ck Result Remedy Ground contacts Corona failure 1 Is the wire cleaner at its home position No Return the wire cleaner to its home position 2 Corona failure 2 Is the corona wire dirty Yes 1 Clean the corona wire 2 If the problem still appears after cleaning replace the drum unit 2 ...

Page 251: ... Drum unit failure 4 Is the problem solved after replacing the drum unit Yes Replace the drum unit No Replace the high voltage power supply PCB NOTE The following cases increase the possibility of this problem Acid paper is being used The drum unit is at the end of its life There is dust or paper powder I 19 Hollow print Possible cause Step Check Result Remedy Print paper 1 Is thick paper of more ...

Page 252: ...idge Yes Replace the toner cartridge High voltage power supply PCB failure 2 Is the problem solved after replacing the high voltage power supply PCB Yes Replace the high voltage power supply PCB I 21 Horizontal lines Possible cause Step Check Result Remedy Ground contacts Paper tray contacts 1 Are the ground contacts on the back side of the paper tray connecting correctly No Clean the contacts 9 ...

Page 253: ...g 1 Is thin paper such as 64g m2 used under the thick paper mode Yes 1 Change the current mode to the normal mode from the driver setting 2 Print 5 or 6 blank pages if this problem occurs Drum unit failure 2 Is the problem solved after replacing the drum unit Yes Replace the drum unit High voltage power supply PCB failure 3 Is the problem solved after replacing the high voltage power supply PCB Ye...

Page 254: ... 1 Check the paper used meets the recommended paper specifications A rough surfaced paper may cause the problem 2 The toner cartridge may be damaged Install a new toner cartridge 3 The drum unit may be damaged or may be nearly at the end of life Install a new drum unit ...

Page 255: ...2 Printer body Paper tray Fig 6 26 Paper Tray 2 Wire cleaner 3 Charge 1 Photosensitive drum 9 Ground 5 Grid 5 Grid 3 Charge 1 Photosensitive drum 6 Transfer roller 6 Transfer roller 4 Development roller 4 Development roller 8 Cleaner 8 Cleaner 7 Discharge plate 8 Cleaner 8 Cleaner 7 Discharge plate ...

Page 256: ...h is also connected to a mass storage device or scanner Remove all other devices and connect the port to the printer only Turn off the printer status monitor in the device options tab in the printer driver 6 If the print port is set as an ECP port change it to a normal port 7 Try printing the test page referring to subsection 4 5 1 Information PRINT TEST in Chapter 2 8 Try resetting the factory se...

Page 257: ...to print such data under the printer specifications P 3 Unable to print full pages of a document with the MEMORY FULL message User Check 1 Press the Go switch on the control panel to print the data remaining in the printer 2 Reduce the complexity of your document or reduce the printer resolution 3 Expand the printer memory by adding a commercially available DIMM NOTE This problem may appear if the...

Page 258: ... this P 5 The printer sometimes prints a couple of characters and then ejects the page User Check For DOS environment only The application printer emulation setting and the printer s emulation do not match Check in the application software which printer you have selected to make sure the printer is set up correctly Remember that the printer emulates widely used printer selections HP LaserJet Broth...

Page 259: ...s the print server IP address note that in some instances it can take up to two minutes for the print server to load its IP address after setting the IP address If a successful response is received then proceed to the UNIX TCP IP Windows NT 4 0 LAN Server Windows98 95 Me Peer to Peer LPR Internet Printing or Web Browser troubleshooting section Otherwise proceed to step 3 and then go to subsection ...

Page 260: ...her hub or multi port repeater 5 If you have a bridge or router located between the print server and host computer make sure that the device is set up to allow the print server to send and receive data from the host For example a bridge can be set up to only allow certain types of Ethernet addresses to pass through a process known as filtering therefore such a bridge must be configured to allow Br...

Page 261: ...ny workstation using the rarpd rarpd a or equivalent command Verify that the etc ethers file contains the correct Ethernet address and that the print server name matches the name in the etc hosts file 5 If you used bootp make sure that you started the bootp daemon on any UNIX workstation and bootp is enabled i e the is removed from the bootp entry in the etc bootptab file is correctly configured 6...

Page 262: ... add the line mx 0 to your etc printcap file entry 11 If you cannot print from DEC TCP IP Service for VMS UCX make sure that you have version 2 0B or later of this software because earlier versions will not work with Brother print servers 8 5 Windows NT 4 0 LAN Server TCP IP Troubleshooting If you are having trouble printing with Windows NT 4 0 or LAN Server check the following 1 Make sure that TC...

Page 263: ...ppens on some Windows 95 98 Me NT 4 0 computers Press the ALT and TAB keys to make it appear 2 Make sure that the print server is configured to be in the same workgroup or domain as the test of your computers It may take several minutes for the print server to appear in the network neighborhood 8 9 Brother Internet Print TCP IP Troubleshooting 1 The first step in troubleshooting is to make sure th...

Page 264: ...ing when configuring your Windows 2000 XP system http ip_address ipp Get More Info option in Windows 2000 not working If you are using a URL of http ip_address 631 or http ip_address 631 ipp the Get More Info option in Windows 2000 will not function If you wish to use the Get More Info option use the following URL http ip_address This will then force Windows 2000 XP to use Port 80 to communicate w...

Page 265: ... BRConfig software or by using a web browser or the BRAdmin application and in the file server using the PCONSOLE Print Server Information Change Password command 2 If you created the print queue using PCONSOLE and instead of BRAdmin make sure that you have enabled at least one NetWare file server using the SET NETWARE SERVER servername ENABLED command 3 Have you exceeded your NetWare user limit 4...

Page 266: ...zone Because the print server gets its zone information from router broadcasts it may not be in the zone you expect and will therefore not show up in the Chooser If this is the case you may need to force the zone name using BRAdmin a web browser or the SET APPLETALK ZONE command from TELNET 8 13 DLC LLC Troubleshooting If you are having trouble printing with DLC LLC check the following 1 Make sure...

Page 267: ... on Press the Go switch and the Set switch Professional Menu mode See section 2 PROFESSIONAL MENU MODE in this chapter 2 Power on While holding down the Go switch press the switch once and then the Set switch Service Menu mode See section 3 SERVICE MENU MODE in this chapter 3 Power on and press the specified switch es and others See section 4 OTHER HIDDEN FUNCTION MENUS in this chapter ...

Page 268: ...menu items using the switches To go back to a higher level select the exit menu in the same level using the switches Inputting a Value or Setting for a Professional Menu Mode Enter the required mode as explained above The setting appearing on the display is the current setting Select the required setting using the switches then press the Set switch The previous value remains if the Set switch is n...

Page 269: ...mpactFlash is installed in LaserJet emulation PRIMARY FONT SET ID Saves the current primary fonts in LaserJet emulation into the storage devices CompactFlash SECONDARY FONT SET ID Saves the current secondary fonts in LaserJet emulation into the storage devices CompactFlash DOWNLOAD FONT DOWNLOAD Saves the downloaded fonts in LaserJet emulation into the storage devices CompactFlash SAVE MACRO SET I...

Page 270: ...SET MODE IBM E1H Esszet Places Esszet on E1h of IBM character set IBM E1H Beta Places Beta on E1h of IBM character set W BOLD ON OFF W BOLD OFF W BOLD ON ON Makes a reprinted character bold Print speed would get slow DLFNT Bd It DLFNT Bd It NO DLFNT Bd It YES YES Creates bold and italic font from download fonts B PROD ON OFF B PROD ON B PROD OFF ON Creates bold and italic font from bitmap fonts CO...

Page 271: ...es the upright font to have italic as scalable font is selected PAPER TRAY SIZE DEF PAPER A4 Printers to be shipped to the other area than USA Canada Mexico and Chile have the A4 size setting by default DEF PAPER LT Printers to be shipped to USA Canada Mexico and Chile have the Letter size setting by default PARALLEL MENU STB ACK DELAY CDCC BSSL L ACK signal is sent out before BUSY signal goes dow...

Page 272: ...er with an OS 2 driver PS CELL MODE PS CEIL FLOOR PS CEIL CEIL Modulates calculation diffusion of PostScript PS STATUS ECHO STATUS ECHO ON STATUS ECHO OFF Enables and disables PS calculation PROTECT OFF MODE PRO OFF AUTO Carries out the page protect if it is turned OFF PRO OFF NORMAL Carries out the page protect HP ESC E COMMAND HP ESC E RESET Reset a printer with ESC E HP ESC E F F Carries out fo...

Page 273: ...ng speed of 1 page of data faster Sets up the printing mode Simplex Duplex BINARY OFF APPLEUSBPS BINAY ON Enables to print PS Pure Binary data via Mac USB MPTRAY YADJUST PCTRAY YADJUST DUPLEX YADJUST Adjusts the position of starting scanning in each paper tray 100 to100 dot 300dpi MPTRAY XADJUST TRAY1 XADJUST TRAY2 XADJUST MP CAS ADJUST DUPLEX XADJUST Adjusts the position of starting scanning in e...

Page 274: ...pages JAM COUNT JAM MP TRAY JAM TRAY1 JAM TRAY2 JAM INSIDE JAM REAR JAM DUPLEX Displays the number of jam occurrence REPLACE COUNT TONER Displays the number of the toner cartridge unit replacement DRUM UNIT Displays the number of the drum unit replacement PF KIT MP PF KIT 1 PF KIT 2 Displays the number of the PF kit replacement PF kit MP 1 2 PF kit for MP Tray Tray 1 Tray 2 FUSER UNIT Displays the...

Page 275: ... 10 Displays the 10 latest errors in order of newest to the oldest NOTE COVER OPEN and NVRAM ERROR are not displayed in the history If an error occurs consecutively it will be displayed only once LIFE PERIOD DRUM UNIT Displays the drum unit life period PF KIT Displays the PF kit life period FUSER UNIT Displays the fixing unit life period LASER UNIT Displays the laser unit life period DEVELOPER Dis...

Page 276: ...number of the PF kit replacement PF kit MP 1 2 PF kit for MP Tray Tray 1 Tray 2 FUSER UNIT Displays the number of the fixing unit replacement LASER UNIT Displays the number of the laser unit replacement REMAIN LIFE DRUM UNIT Displays the drum unit remaining life counters page DRUM UNIT2 Displays the drum unit remaining life counters rotation PF KIT MP PF KIT 1 PF KIT 2 Displays the PF kit remainin...

Page 277: ...F Carries out movement test of main fan FAN 2 ON OFF Carries out movement test of LVPS fan FAN 3 ON OFF Carries out movement test of scanner fan MOTOR TEST MAIN MOTOR ON OFF SCAN MOTOR ON OFF Carries out movement test of MOTORs SENSOR TEST Carries out movement test of SENSORs REGI MAE ON OFF Regist front sensor EJECT ON OFF MP PAPER ON OFF T1 PAPER ON OFF T2 PAPER ON OFF REGI ATO ON OFF Regist rea...

Page 278: ...ation The contents are the same as the second page of Print Settings Developing Bias xxx V is added to an end xxx The counter of the developer unit is 0 500V The counter of the developer unit is 7500 400V The counter of the developer unit is more than 7500 400V There is a bug if the value is other than 400V to 500V ...

Page 279: ...hen the printing data is sent to the printer Reprint Continuously print the test pattern sheet HEX DUMP MODE Hex dump mode Printer reset is needed to exit this function You can print data as hexadecimal code Version check Set Clears NVRAM This function is not normally used Set Back Rewrites the data on the ROM Go DRAM CHECK START Checks DRAM Go Back Printer starts by skipping the following functio...

Page 280: ...s then press the Set switch See subsection 2 PERIODICAL REPLACEMENT PARTS in CHAPTER 5 for more information about the periodical replacement parts Title Subtitle Description DRUM UNIT Initializes the counter of the drum unit to zero PF KITMP RESET PARTS LIFE PF KIT1 PF KIT2 Initializes the counter of the paper feeding kit to zero PF kit MP 1 2 PF kit for MP Tray Tray 1 Tray 2 FUSER UNIT Initialize...

Page 281: ...unit life or the number of printed pages you should print out the Print Settings 5 1 Printing out the Print Settings 1 Press the Set switch three times 2 Print the Print Settings NOTE The descriptions printed in Print Configuration vary depending on the countries Sample for Europe Fig 7 1 ...

Page 282: ...C 7100w However if there is no network nothing will be displayed Also CONNECTED will be displayed when the information is not retrieved Equipped network version NET ROM VERSION However if there is no network nothing will be displayed Also it displays nothing when the information is not retrieved RAM SIZE Mbyte Device information RAMDISK CF Displayed only when it is set CF is displayed when both ar...

Page 283: ...ach paper used The number of A4 Letter A4Long Legal Folio B5 Executine Envelope and other paper types used The maximum count for each item is 1 million times The number of jams occurred in each place Number of jams occurred in Tray1 Tray2 MP Tray Inside Rear and Duplex for Tray2 and Duplex it is indicated only when they are equipped The number of times which consumable parts are replaced Number of...

Page 284: ...tool instructs you how to clear the problem such as The printer can t print or The printer prints garbage or incorrect fonts 1 When you start the program the Help dialog box shown below appears Fig 7 2 2 Select the problem you have had then the specified window appears 3 Follow the instructions that appear on the PC screen If the problem cannot be solved start the Diagnostics tool to create a log ...

Page 285: ...r you have to check if you can clear the problem using the Troubleshooting for printer won t print tool described in the previous section 1 When you start the program the dialog box shown below appears Follow the steps described in the box then click the OK button Fig 7 3 2 The message below appears click the OK button if you want to check whether there is any incorrect data or not If you do not w...

Page 286: ... 4 Check the result that the printer reported and click the A B or C button depending on the result 5 The created log file is shown on the PC screen The software will ask whether you wish to print the log file or not Send the log file created with this tool to investigate the problem to the authorized service center ...

Page 287: ...ows the printer information such as printer version or page counter for all models only when the printer is connected to a parallel port 1 When you start the program the dialog box shown below appears Fig 7 6 2 Select the LPT port you are using and click the OK button 3 The dialog box below appears and indicates from top to bottom the printer ID version fixing unit life PF kit life laser unit life...

Page 288: ...switching timing The developing bias is switched from 500V to 400V when 7 500 pages are printed Counted from the number of the developer rotation in non continuous printing Fixing temperature Transparency 170 C Thin paper 185 C Recycle paper 175 C Plain paper 180 C 180 C when printing using duplex function Thick paper 195 C Thicker paper 195 C Bond paper 205 C Smaller size mode See PRINT SPEEDS WI...

Page 289: ...6050 6050D 6050DN printer 3 1 USB cable 4 FILEDG32 EXE Download FILEDG32 EXE from the utility database then copy it to AML folder in C drive PrUt030003 5 PIT3SPFX EXE An EXE file to setup by country Create a folder PIT3 in C drive Download PIT3SPFX EXE from the utility database then copy it to the PIT3 folder Extract the EXE file PrUt030006 6 DRV6050 ZIP PrUt040012 Download DRV6050 zip from the Da...

Page 290: ...riting procedure fails 4 After the rewriting finishes the printer will be rebooted Wait until Status LED of the printer turns on in green After rebooting the copy 2 icon of the printer is created in the printer folder To avoid unnecessary mistake delete the icon PIT3 5 Connect the USB cable to the printer Turn on the printer while pressing Go and Job Cancel keys The USB serial number is fixed to 9...

Page 291: ...n press Enter key 12 Turn the printer off and disconnect the USB cable Serial number and other settings will be effective when the printer is turned on 2 MODEL Model name to input Message HL 6050 CS6050 CS6050 SCRPT Y YY HL 6050D CS6050D CS6050D SCRPT Y YY HL 6050DN CS6050DN CS6050DN SCRPT Y YY NOTE Y YY in the above table indicates the script version 3 Code Country HL 6050 HL 6050D HL 6050DN 0010...

Page 292: ...rget to set this printer as the default printer 2 Connect the parallel cable to the printer then turn the printer on while pressing SET and BACK key PRL ROM0 W appears on LCD Select PRL ROM1 W with keys then press SET key Check Send AVAL file appears on LCD 3 Double click FILEDG32 which is in the AML folder Right click the icon of the target printer and open Change port to check the current port i...

Page 293: ...tFlash card is unformatted format it To format the CompactFlash card with the computer do it from Explorer To format the CompactFlash card with the printer plug the CompactFlash card to the printer while the power is off then turn on the printer Select SETUP DELETE STORAGE FORMAT CF with the control panel then press the SET key Press the SET key again when OK message appears PROGRAMING WAIT appear...

Page 294: ...riting the firmware LCD blacks out and DATA LED blinks Be sure NOT to take out the CompactFlash card or turn the printer off until it reaches to the condition of step 9 Rewriting may be impossible once the writing procedure fails 9 When rewriting finishes Complete appears on LCD Turn OFF the printer then take out the CompactFlash from the printer ...

Page 295: ...ys after confirming it The LCD shows WARMING UP READY in this order Wait until READY is displayed 2 During the step 1 Plug and Play will run to install the USB driver of relevant model 3 Double click FILEDG32 which is in the AML folder Then drug and drop the firmware 61_ BLF or 71_ BLF to the printer icon in FILEDG32 Data is sent to the printer via the USB cable and start writing While the data is...

Page 296: ...CD display 5 If Complete appears release the Go and keys NVRAM is now successfully copied 2 To write back NVRAM from CompactFlash 1 Turn off the power 2 Insert the CompactFlash into the printer slot 3 Turn on the power without pressing any keys 4 The SELF TEST appears on the LCD followed by Now initializing 5 If Complete appears NVRAM is successfully copied NOTE 1 If the serial number information ...

Page 297: ...ADR23 DQM3 36 ROMCSN0 211 ROMCSN1 212 IOWEN 213 IORDN 214 SDCLK0 95 SDCLK1 94 SDCLK2 93 SDCKE0 96 SDCKE1 97 SDCSN0 90 SDCSN1 89 SDCSN2 88 SDSDA 92 SDSCL 91 U8 Aurora TSTMODEN 215 TSTDATA 220 XTST 221 VPD 197 PLLVCC_L 77 PLLGND_L 78 PLLVCC 22 PLLGND 23 USBAVDP 179 USBAVSP 180 USBAVDB 181 USBAVSB 182 USBAVDF1 192 USBAVSF1 189 USBAVDF2 184 USBAVSF2 185 VDDI21 21 VDDI38 38 VDDI51 51 VDDI79 79 VDDI99 9...

Page 298: ...3 0V 5C D 7 0 C143 C101 C151 C101 30 0V RA26 33 2 7 1 8 3 6 4 5 VDD5 C145 C103 25 0V 28 0V 10 ACK 0V C144 C101 C150 C101 2 DI1 5 DI4 6A D 7 0 35 NC C154 C103 R175 33 26 0V TP268 CN13 18 5V 36 SELIN 0V 16 0V R166 22k R139 39 CN12 1 VCC 3 DATA UBR23 4K5200 6 FG 4 GND 0V R167 1M R152 39 C127 C101 5 FG 2 DATA 0V VDD3 VDD3 L6 0 C9 C103 0V R8 1k R11 100 TP18 L10 0 1608 TP15 3 TXD 4 RXD R9 4 7k L9 0 1608...

Page 299: ...SDSDA 1 6A 1E 4D 4 1A 4 1C 4 1E 4 6B ADR 19 WEN RA5 10 2 7 1 8 3 6 4 5 1A DATA_D 15 0 RA7 10 2 7 1 8 3 6 4 5 RA1 10 2 7 1 8 3 6 4 5 RA3 10 2 7 1 8 3 6 4 5 6B DATA_D 15 0 1 3B 4A 4 2F DATA 15 0 4 2C 4 7C 6 1C DATA_S 15 0 RA6 22 2 7 1 8 3 6 4 5 RA8 22 2 7 1 8 3 6 4 5 RA2 22 2 7 1 8 3 6 4 5 RA4 22 2 7 1 8 3 6 4 5 TP63 TP65 TP62 TP64 1 6A 1E 3C 4 1C 4 1E 4 6B 4 1A 1D ADR 23 1 4 6B 6 1B ADR_M 13 2 RA13...

Page 300: ...4 C55 C104 59 GND 5 GND 9 A4 1 5C 2C 3C 6 2E IOWEN 18 A11 42 D5 1 3B LAN_INTN 36 GND 54 D13 39 D2 C52 C104 C44 5xL5 SRE10VB 33MFC 33 F 34 3 3V C53 C104 55 D14 1 5C 2C 7C 6 2E IOWEN 0V 0V 27 A16 C87 C104 23 GND C88 C102 57 3 3V R85 100 TP121 TP68 TP122 TP79 TP124 TP66 U3 CE 32 WE 13 OE 34 RY BY 17 BYTE 53 RESET 14 A0 31 A1 26 A2 25 A3 24 A4 23 A5 22 A6 21 A7 20 A8 10 A9 9 A10 8 A11 7 A12 6 A13 5 A1...

Page 301: ... R30 100 TP33 L21 0 TP35 TP37 C6 C101 C29 C101 2 1D BDN C4 C101 C2 C101 L25 0 2 2D ENBN1 2 2D CAL1 TP41 R27 33 3B DATA2 1 3B DATA1 1 0V 6 6C FEEDBACK C8 C103 L4 0 1608 L23 0 L19 L1 0 1608 C7 C101 C3 C101 TP38 TP12 TP39 TP34 TP42 TP10 TP11 TP36 VDD5 4B DATA2 1 4B DATA1 1 U1 TC74VHCT08AFT 1 2 3 U1 TC74VHCT08AFT 4 5 6 U1 TC74VHCT08AFT 9 10 8 U1 TC74VHCT08AFT 12 13 11 U1 TC74VHCT08AFT 14 VCC 7 GND 0V ...

Page 302: ... TP185 TP170 TP208 C89 C104 C90 C104 C106 C104 C70 C104 C72 C104 C108 C104 VDD3 0V R128 10k VDD3 R133 10k 0V TP139 TP138 TP166 R88 33 1 8A MEDIA_CLK 5 6B FEEDBACK R129 3 3k R130 5 6k 0V R113 3 3k 0V R114 5 6k VDD5 FG3 0V C107 C103 R142 0 1 10W 2012 D3 RB751V 40 R115 10k TP126 42 WAIT 44 REG 7 CE1 41 RESET 38 VCC 39 CSEL 51 FG 27 D11 1 GND 37 RDY BSY IREQ 6 D7 4 D5 32 CE2 28 D12 48 D9 26 CD1 49 D10...

Page 303: ...APPENDIX A 7 A 7 APPENDIX 7 BLOCK DIAGRAM HL 6050 CODE NAME LJ9586001 BLOCK DIAGRAM ...

Page 304: ...APPENDIX A 8 A 8 APPENDIX 8 LOW VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM 100V HL 6050 NAME Low voltage PS Circuit 100V ...

Page 305: ...APPENDIX A 9 A 9 APPENDIX 9 LOW VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM 200V HL 6050 NAME Low voltage PS Circuit 200V ...

Page 306: ...APPENDIX A 10 A 10 APPENDIX 10 HIGH VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM HL 6050 NAME High voltage PS Circuit ...

Page 307: ...0 5V at If 0 033mA D9 1SS355 3 3V R71 100k R72 0 C51 C103 GND C54 C103 GND GND R44 4 7k GND GND TP34 TP48 R49 10k GND C37 C104 TP38 C69 C104 R48 4 7k TP55 TP23 TP21 C41 C104 3E 4D PWM OTHER R120 1k 1 F R45 1k 1 F TP43 C40 C103 R47 4 7k 3 3V 3 3V R50 4 7k 3 3V R115 4 7k GND C39 C102 TP54 R51 18k 1 F 2 1D HV FBTRCC TP47 3D TRCCFB CMPOUT 3 3V 3 3V R114 10k R46 8 2k 1 F 5V 5V GND C53 C103 C52 C103 GND...

Page 308: ...E R107 10k R118 10k 24V_LPS L4 0 L3 0 L2 0 TP67 TP68 R14 10k R15 820 PGND D3 1SS355 PGND 24V_LPS 1 4C PLATE MOT Q5 D1781K 32V 0 8A hFE 120 390 C B E C7 C102 EMI C80 C100 35V 6 3xL11 1 1E 1 4B DCM CLK TNR LED C79 C100 35V 6 3xL11 GND R125 0 R105 0 1 5E TONER C4 C100 35V 6 3xL11 PGND R39 10k R40 47k R42 10k GND ZD4 BZX85 C5V6 1 2W Pitch 15 Q15 B1197K C B E Q13 B1197K 32V 0 8A hFE 120 390 C B E R43 4...

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