Brother hl 1650 - B/W Laser Printer Service Manual
Brother hl 1650 - B/W Laser Printer Service Manual

Brother hl 1650 - B/W Laser Printer Service Manual

Service manual

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Summary of Contents for Brother hl 1650 - B/W Laser Printer

  • Page 12 CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK DEFEATED. AVOID DIRECT EXPOSURE TO BEAM. CLASS 3B LASER PRODUCT. ADVARSEL USYNLIG LASER STRÅLING NÅR KABINETLÅGET STÅR ÅBENT. UNGDÅ DIREKTE UDSÆTTELSE FOR STRÅLING. KLASSE 3B LASER. VARNING OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRRAR ÄR URKOPPLADE.
  • Page 13 :$51,1* ,QGLFDWHV ZDUQLQJV WKDW PXVW EH REVHUYHG WR SUHYHQW SRVVLEOH SHUVRQDO LQMXU\ &$87,21 :$51,1* $OZD\V WXUQ RII WKH SRZHU VZLWFK DQG XQSOXJ WKH SRZHU FRUG IURP WKH SRZHU RXWOHW EHIRUH DFFHVVLQJ DQ\ SDUWV LQVLGH WKH SULQWHU :$51,1* 6RPH SDUWV LQVLGH WKH SULQWHU DUH H[WUHPHO\ KRW LPPHGLDWHO\ DIWHU WKH SULQWHU LV XVHG :KHQ RSHQLQJ WKH IURQW FRYHU RU UHDU FRYHU WR DFFHVV DQ\ SDUWV LQVLGH WKH SULQWHU QHYHU WRXFK WKH UHG FRORUHG SDUWV VKRZQ LQ WKH IROORZLQJ ILJXUHV :$51,1*...
  • Page 15           ...
  • Page 16        • • • • • • • • • • •...
  • Page 18 ° °...
  • Page 19      • • • • • • • •...
  • Page 20 ° ° ° ° ° ° •...
  • Page 21 • • • • • • • • • •  •      • ...
  • Page 22 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 23 &$87,21 • • • • • • • • • •...
  • Page 24 ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 25 3RUWUDLW Physical page Printable area Logical page Physical page length Maximum logical page length DIstance from edge of physical page to edge of logical page...
  • Page 26 • •...
  • Page 27 /DQGVFDSH Physical page Printable area Logical page Physical page length Maximum logical page length D istance from edge of physical page to edge of logical page...
  • Page 28 • •...
  • Page 29 • • • • • • • • • • • • • • • • • •          ...
  • Page 31    ...
  • Page 33 READY Data Back Reprint Job cancel...
  • Page 34    ...
  • Page 35 • • •...
  • Page 36 3. For Network shared printer users...
  • Page 37 4. For Brother Peer-to-Peer network printer users (LPR-recommended Peer-to-Peer printing method)
  • Page 38: For Brother Peer-To-Peer Network Printer Users (Netbios)

    5. For Brother Peer-to-Peer network printer users (NetBIOS)
  • Page 40 • •...
  • Page 41 • • •...
  • Page 42 • • • • • • • • • • • • • • • • •...
  • Page 43 • • • • • • • • • • • •...
  • Page 44 • • •...
  • Page 45 ® ® ® • • • •...
  • Page 46 • •...
  • Page 47 Data Back Reprint Job cancel...
  • Page 48 DATA!!! JOB CANCELLIG READY...
  • Page 49 READY • • • • NO DATA STORED • • • COPIES= 1 COPIES=999...
  • Page 50 COPIES= COPIES= REPRINTING PRESS SET TO PRINT • •...
  • Page 51 NO DATA STORED LAST JOB SECURE USER XXXXXXX JOB XXXXXXX PASSWORD XXXX COPIES= PRESS SET TO PRINT PRINTING NO DATA STORED DELETE STORAGE...
  • Page 54 READY PROCESSING SLEEP PRINTING SELF TEST PAUSE NOW INITIALIZING WARMING UP MEMORY SIZE=XX MB JOB CANCELING RESOLUTION ADAPT PRESS SET TO PRINT RESET TO FACTORY SETTING...
  • Page 55 • • • • • READY INFORMATION PAPER SOURCE MP FIRST ✻ =OFF ✻ ✻”. ✻...
  • Page 56 INFORMATION PAPER QUALITY SETUP PRINT MENU NETWORK INTERFACE RESET MENU...
  • Page 57 PRINT SETTINGS PRINT TEST PRINT DEMO PRINT FILE LIST PRINT FONTS VERSION SER.NO=######### ROM VER=#### ROM DATE ##/##/## NET VER=#### NET DATE ##/##/## RAM SIZE=###MB MAINTENANCE PAGE COUNTER =###### REMAIN DRUM =###### REMAIN PF KIT1 =###### REMAIN PF KIT2 =###### REMAIN FUSER =###### REMAIN LASER...
  • Page 58 RESOLUTION TONER SAVE DENSITY LANGUAGE LCD DENSITY POWER SAVE TIME AUTO CONTINUE LOCK PANEL REPRINT PAGE PROTECTION EMULATION KEEP PCL RAMDISK SIZE DELETE STORAGE SECURE FILE DATA ID MACRO ID FONT ID FORMAT...
  • Page 59 MEDIA TYPE PAPER COPIES ORIENTATION PRINT POSITION X OFFSET=0 Y OFFSET=0 AUTO FF=OFF FF SURPRESS HP LASERJET FONT NO. FONT PITCH/POINT SYMBOL/ CHARACTER SET TABLE PRINT AUTO LF=OFF AUTO CR=OFF AUTO WRAP=OFF AUTO SKIP=ON...
  • Page 60 HP LASERJET LEFT MARGIN RIGHT MARGIN TOP MARGIN BOTTOM MARGIN LINES EPSON FX-850 FONT NO. FONT PITCH/ POINT SYMBOL/ CHARACTER SET TABLE PRINT AUTO LF=OFF AUTO MASK LEFT MARGIN RIGHT MARAGIN TOP MARGIN BOTTOM MARGIN LINES...
  • Page 61 IBM PROPRINTER FONT NO. FONT PITCH/ POINT SYMBOL/ CHARACTER SET TABLE PRINT AUTO LF=OFF AUTO CR=OFF LEFT MARGIN RIGHT MARAGIN TOP MARGIN BOTTOM MARGIN LINES BR-SCRIPT ERROR PRINT...
  • Page 62 TCP/IP TCP/IP ENABLE IP ADDRESS= SUBNET MASK= GATEWAY= IP BOOT TRIES IP METHOD NETWARE NETWARE ENABLE NET FRAME APPLETALD NETBEUI DLC/LLC BANYAN NETBIOS/IP ENET AUTO IF TIME INPUT BUFFER PARALLEL HIGH SPEED BI-DIR=ON/OFF...
  • Page 63 RESET PRINTER FACTORY RESET INFORMATION NETWORK TCP/IP TCP/IP ENABLE IP ADDRESS= ✻ 192.0.0.192 123.0.0.192 123.45.67.89 ✻ 123.45.67.89...
  • Page 64 • • • • • • • • •...
  • Page 65 PAPER SOURCE MP FIRST MP SIZE= MANUAL FEED DUPLEX QUALITY RESOLUTION TONER SAVE DENSITY SETUP LANGUAGE LCD DENSITY POWER SAVE TIME AUTO CONTINUE LOCK PANEL REPRINT EMULATION KEEP PCL PRINT MENU MEDIA TYPE PAPER COPIES ORIENTATION PRINT POSITION AUTO FF TIME FF SUPPRESS...
  • Page 66 PRINT MENU HP LASER JET EPSON FX-850 IBM PROPRINTER BR-SCRIPT...
  • Page 67 NETWORK TCP/IP NETWARE APPLETALK NETBEUI DLC/LLC BANYAN NETBIOS/IP ENET...
  • Page 68 • •...
  • Page 73 +/1 6(59,&( 0$18$/ Network board (Standard for HL-1670N Option for HL-1650) Optional RAM (DIMM) Ethernet (max. 128Mbytes) 10/100 Base TX Control system Expansion RAM 8MB PCI bus memory I/O Interface block (Parallel / USB) Video control block Engine control block Operation block (Control panel) Paper tray unit...
  • Page 74 &+$37(5  7+(25< 2) 23(5$7,21 A S I C CPU Core (MB86834) Reset Circuit Oscillator (48MHz) Address Decoder DRAM Control Program + Font ROM 10 Mbytes Timer Network Program (2.0 Mbytes) FIFO CDCC Parallel I/O To PC (HL-1650: 8.0 Mbytes) (HL-1670N: 16 Mbytes) To PC USB I/O...
  • Page 75 +/1 6(59,&( 0$18$/...
  • Page 76 &+$37(5  7+(25< 2) 23(5$7,21...
  • Page 77 +/1 6(59,&( 0$18$/...
  • Page 78 &+$37(5  7+(25< 2) 23(5$7,21...
  • Page 79 +/1 6(59,&( 0$18$/...
  • Page 80 &+$37(5  7+(25< 2) 23(5$7,21...
  • Page 81 +/1 6(59,&( 0$18$/...
  • Page 82 &+$37(5  7+(25< 2) 23(5$7,21...
  • Page 83 +/1 6(59,&( 0$18$/...
  • Page 84 &+$37(5  7+(25< 2) 23(5$7,21...
  • Page 85 +/1 6(59,&( 0$18$/ • • • • • • • • • • • • • • • • • • • • •...
  • Page 86 &+$37(5  7+(25< 2) 23(5$7,21 (Heater) Thermal Fuse Fuse Heater Circuit Lamp Fuse Lightning Surge Absorber Feedback Line Oscillator Rectifier Filter (Engin Circuit / Main Circuit) Regulation Circuit 3.3V 3.3V Regulation Circuit...
  • Page 87 +/1 6(59,&( 0$18$/ Current 24VI Regulator Transfer Roller Voltage Cleaning Brush Regulator Supply Roller Photosensitive Drum VR21 Development Roller Current Regulator Corona Unit Voltage Regulator VR81 Voltage Regulator VR51 Voltage Regulator VR31...
  • Page 88 &+$37(5  7+(25< 2) 23(5$7,21 0(&+$1,&6 2YHUYLHZ RI 3ULQWLQJ 0HFKDQLVP +HDW UROOHU &RURQD ZLUH 6FDQQHU PRWRU 6HFRQG HMHFW UROOHU /$6(5 81,7 %ODGH 5HDU FRYHU 6XSSO\ UROOHU '580 81,7 'XSOH[ RXWHU JXLGH 7RQHU VHQVRU 3DSHU IHHG SLQFK UROOHU 3DSHU JXLGH 3DSHU IHHG UROOHU )LUVW IHHG SLQFK UROOHU )LUVW HMHFW UROOHU ),;,1* 81,7...
  • Page 89 +/1 6(59,&( 0$18$/ Panel PCB Laser Unit H Network Laser Board (HL-1670N) Polygon Motor Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Main PCB Engine PCB High- Development Roller Voltage Front Power Supply Roller Registration Supply Sensor Low-Voltage Transfer Roller Power Supply Rear Paper Dust Cleaner...
  • Page 90 &+$37(5  7+(25< 2) 23(5$7,21 3DSHU 7UDQVIHU  3DSHU VXSSO\ )LJ   3DSHU UHJLVWUDWLRQ )LJ ...
  • Page 91 +/1 6(59,&( 0$18$/  3DSHU HMHFW )LJ   'XSOH[ SULQWLQJ Second eject roller Paper cover Heat roller Photosensitive drum Paper outer guide Paper guide Paper feed pinch roller First eject roller Pressure roller Duplex Tray Front registration Transfer roller Rear registration sensor lever sensor lever...
  • Page 92 &+$37(5  7+(25< 2) 23(5$7,21 6HQVRUV  &RYHU VHQVRUV )LJ   7RQHU VHQVRUV )LJ ...
  • Page 93 +/1 6(59,&( 0$18$/  '; WUD\ VHQVRU  '; SDSHU VL]H VHQVRU )LJ   5HDU FRYHU VHQVRU )LJ ...
  • Page 94 &+$37(5  7+(25< 2) 23(5$7,21  &DVVHWWH VHQVRU  3DSHU HPSW\ VHQVRU )LJ   3DSHU HMHFW VHQVRU )LJ ...
  • Page 95 +/1 6(59,&( 0$18$/ 'UXP 8QLW  3KRWRVHQVLWLYH GUXP  3ULPDU\ FKDUJHU  7UDQVIHU UROOHU  &OHDQHU 7RQHU &DUWULGJH 3ULQW 3URFHVV  &KDUJLQJ Aluminum drum sleeve Photosensitive Drum Organic Photoconductor layer - - - - + + + 870V Grid Voltage Regulator + + + HVPS...
  • Page 96 &+$37(5  7+(25< 2) 23(5$7,21  ([SRVXUH VWDJH θ )LJ  1 Cycle of drum Primary charging Laser beam exposure and developing (a) Unexposed area +870 ( Non image area ) (b) Exposed area ( Image area ) Transfer the image to paper +400 +150 Drum...
  • Page 97 +/1 6(59,&( 0$18$/  'HYHORSLQJ )LJ   7UDQVIHU...
  • Page 98 &+$37(5  7+(25< 2) 23(5$7,21  )L[LQJ VWDJH )LJ ...
  • Page 99: Safety Precautions

    +/1 6(59,&( 0$18$/ &+$37(5  DISASSEMBLY AND RE-ASSEMBLY SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING (1) Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the printer.
  • Page 100 DISASSEMBLY FLOW AC CORD BASE PLATE LASER UNIT DRUM UNIT ENGINE PCB ASSY PAPER CASSETTE FIXING UNIT / HIGH-VOLTAGE PS PCB ASSY NETWORK BOARD PAPER PICK-UP ROLLER ASSY TOP COVER EXIT ROLLER UNIT DX SENSOR FEED MP UNIT PCB ASSY DX FEED ASSY PAPER FEED DRIVE UNIT...
  • Page 101: Disassembly Procedure

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< DISASSEMBLY PROCEDURE NOTE: Refer to the subsection “3.27 Harness Winding Form” in this Chapter when re-assembling printer parts. AC Cord (1) Disconnect the AC cord from the printer AC inlet. Printer AC cord AC inlet Fig.
  • Page 102: Paper Cassette

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< Paper Cassette (1) Close the MP cover and pull out the paper cassette from the printer and remove the paper from the cassette. MP cover Paper cassette Fig. 4-3 (2) Remove the pad holder ZLh ASSY by pulling it upwards, then remove the separation pad spring 300 from the paper cassette.
  • Page 103 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< NOTE: When replacing/re-assembling the pad holder ZLh ASSY, remove the old grease and apply a suitable amount of grease referring to the figure below; Paper pick-up roller Paper cassette Grease: Molykote SK-623 (1 rice-grain size) Fig.
  • Page 104 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (5) Keeping the paper cassette upside down, release the pressure roller holder assembly from the cassette by releasing the metal mounting plate from the plastic retaining boss. Use a flat screwdriver to press the metal plate forwards until it clears the boss and then remove the pressure roller holder assembly downwards from the cassette.
  • Page 105 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (10) Turn the cassette the correct way up and slide the two paper guides to the center of the cassette. (11) Remove the side guides Right and Left from the paper cassette. Side guide L Side guide R Paper cassette Fig.
  • Page 106 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< NOTE: When re-assembling the pressure plate ASSY, ensure that the paper indicator arm is under the pressure plate. CAUTION: When unhooking the catches to remove the pressure plate, do not bend the pressure plate, gently ease the plastic cover. If the pressure plate is deformed, paper feeding problems may occur.
  • Page 107 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (17) Turn the cassette upside down and remove the one cup B M3x8 Taptite screw to remove the side guide gear. Then remove the one friction spring. (18) Remove the two side guide racks. (19) Remove the paper indicator. Taptite, cup B M3x8 Side guide rack Side guide gear...
  • Page 108 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (20) Remove the pan B M3x8 Taptite screw to remove the tray lock lever from the paper cassette. (21) Unhook the four catches to remove the paper tray rear from the paper cassette. Taptite,pan B M3x8 Tray lock lever Paper tray rear (catch)
  • Page 109 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< Network Board (For HL-1670N only) (1) Open the access cover by sliding it to the backward. (2) Loosen the two bind S M3x8 Taptite screws to remove the PCB access plate. PCB access plate Access cover Taptite, bind S M3x8 Printer Fig.
  • Page 110: Top Cover

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< Top Cover (1) Open the Process unit cover ASSY. (2) Remove the four shoulder screws from the side cover R and L. (3) Open the rear cover and disconnect the two harnesses for the panel PCB ASSY. (4) Remove the top cover from the printer.
  • Page 111 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (6) Turn the top cover upside down and remove the three cup B M3x8 Taptite screws from the top cover. (7) Turn the top cover the correct way up to remove the panel cover ASSY from the top cover. Taptite,cup B M3x8 Panel cover ASSY Top cover (Back side)
  • Page 112 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (10) Remove the LCD holder from the panel cover ASSY and remove the back light PCB ASSY by releasing two hooks from ASSY. (11) Remove the LCD from the panel PCB ASSY by releasing two hooks and then remove the diffusion film from the ASSY.
  • Page 113 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (12) Remove the panel light guide, and then remove the key from the panel cover. Panel light guide Panel cover Fig. 4-24 (13) Remove the key top A and the key top B form the key. Key top A Key top B Fig.
  • Page 114: Dx Feed Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< DX Feed ASSY (1) Close the rear cover and remove the DX feed ASSY from the printer. Rear cover DX feed ASSY Fig. 4-26 (2) Remove the bind M3x4 screw to remove the ground wire cover and the ground wire from the paper guide upper ASSY, and then remove the ground wire from the ground wire cover.
  • Page 115 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (4) Remove the roller holder using a pair of tweezers from the paper guide upper ASSY while pushing the pressure roller slightly down to assist the roller holder being released. (boss) Roller holder Pressure roller Paper guide upper ASSY Fig.
  • Page 116 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (7) Remove the bind B M3x8 Taptite screw from the guide plate stopper and remove the left guide spring 2. (8) Remove the side regist guide from the DX feed ASSY by releasing the hook at the bottom side of the ASSY using a pair of long nose pliers.
  • Page 117 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (10) Remove the side regist roller from the DX feed ASSY and then remove the T-belt B40S2M142 and the T-belt B40S2M224. DX feed ASSY Side regist roller T-belt B40S2M224 T-belt B40S2M142 Fig. 4-32 (11) Remove the DX paper actuator and the guide actuator from the DX feed ASSY, and then remove the paper actuator spring and the guide actuator spring from the each actuator.
  • Page 118: Rear Cover

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< Rear Cover (1) Open the rear cover. (2) Release the hooks on the right and left sides of the DX rear chute to release the DX outer chute ASSY from the rear cover. (hook) Printer Rear cover R DX rear chute DX outer chute ASSY...
  • Page 119 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (4) Remove the frap 2 spring from the flap 2 and then remove the flap 2 from the DX outer chute. Flap 2 Frap 2 spring DX outer chute (hook) Fig. 4-36 (5) Remove rear cover from the printer by releasing the hooks at the right and left sides of the printer and then remove the DX rear chute from the rear cover C.
  • Page 120 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< Rear Cover R & L / Side Cover R & L (1) Remove the two shoulder screws to remove the rear cover R and rear cover L from the printer. Rear cover R Printer Rear cover L Shoulder screws Fig.
  • Page 121: Mp Cover Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< MP Cover ASSY (1) Open the MP cover ASSY. Remove the MP paper guide 1 ASSY from the front cover by releasing two hooks and pulling slightly upward. Printer MP paper guide 1 ASSY MP cover ASSY (hook) Fig.
  • Page 122 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (4) Remove the MP cover ASSY from the printer. (hook) (hook) Printer (hook) MP cover ASSY Fig. 4-42 (5) Remove the MP side guide 2 from the MP cover and then MP side guide 3 from the MP side guide 2.
  • Page 123: Process Unit Cover Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.10 Process Unit Cover ASSY (1) Release the hooks while pushing the process unit cover ASSY slightly inward to remove the cover by pulling it forward. (hook) Printer Process unit cover ASSY Fig. 4-44 (2) Remove the two cup B M3x8 Taptite screws to remove the process unit cover from the process unit cover ASSY.
  • Page 124: Laser Unit

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.11 Laser Unit (1) Loosen the cup S tite 3x6 screw to release the fan relay PCB ASSY and the harness on the fan relay PCB ASSY from the main unit. Screw, cup S tite 3x6 Fan relay PCB ASSY Main unit Fig.
  • Page 125: Fixing Unit

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< CAUTION: • Never touch the reflect mirror and lens inside the laser unit. If there is any dirt or dust on the mirror or lens, blow it off using an air gun. • Never touch the scanner window on the printer body. If there is any dirt or dust on the window, blow it off using an air gun.
  • Page 126 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (5) Remove the three bind B tite 3x10 screws to remove the FU front paper guide from the fixing unit . Fixing unit FU front paper guide Screw, bind B tite 3x10 Fig. 4-50 (6) Remove the two cup B M3x20 Taptite screws from the top of the fixing unit frame. (7) Release the thermistor harness from the hooks.
  • Page 127 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (8) Remove the FU frame upper from the FU frame lower by releasing hooks as shown in the figure below. (hook) (hook) (hook) FU frame lower FU frame upper (hook) (hook) (hook) Fig. 4-52 (9) Remove the one pan B M3x10 Taptite screw securing the halogen lamp connector plate at the drive unit side of the FU frame upper and then loosen the cup M3x6 screw at the other side.
  • Page 128 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< CAUTION: • Never touch the surface of the halogen heater lamp. • When securing the screw to assemble the halogen lamp connector plate, ensure you use the plastic jig as shown in the figure below to avoid damaging the edge of the halogen heater lamp.
  • Page 129 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< NOTE: • When re-assembling the heat roller 25 to the FU frame upper, place the two projections at the right hand side of the roller onto the bosses on the frame as shown in the figure below. Heat roller gear 34 (projection) HR bearing 25...
  • Page 130 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (14) Remove the cleaner ASSY H complete with the cleaner spring 30 from the FU frame upper by lifting it upwards until the spring releases from the frame. (15) Remove the cleaner spring 30 from the cleaner ASSY H. Cleaner ASSY H Cleaner spring 30 FU frame upper...
  • Page 131 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (16) Remove the pressure roller 25 from the FU frame lower by gently levering the right hand side upwards to release it from the PR bearing and then sliding it to the right to remove it. (17) Remove the five cleaner pinch roller ASSY complete with the pick off finger cleaner spring and the thermistor cleaner spring for each from the FU frame lower by lifting it upwards until the spring releases from the cover.
  • Page 132 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (19) Remove the bind B tite 3x10 screw to remove the eject sensor PCB ASSY. (20) Disconnect the connector for the thermistor relay PCB ASSY. (21) Remove the bind B tite 3x10 screw to remove the thermistor relay PCB ASSY from the FU frame lower.
  • Page 133 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< NOTE: When re-assembling the paper eject actuator and the eject actuator spring to the FU frame lower, ensure the paper eject actuator is seated correctly in the locating channel referring to the figure below; FU frame lower Eject actuator spring Paper eject actuator Fig.
  • Page 134 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< NOTE: When re-assembling the thermistor to the FU frame upper, ensure the direction of the thermistor is correct referring to the figure below; FU frame upper Thermistor Thermistor Taptite, cup B M3x12 Fig. 4-64 (23) Remove the B 2.6x10 Taptite screw to remove the idle gear 13H. Hold slightly up the right end of the eject roller and then remove the left end of the roller from the hook first, then remove the eject roller from the FU frame upper.
  • Page 135 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (24) Remove the eject pinch roller F (8pcs.) with the eject pinch roller holder R (2pcs.) and the eject pinch roller holder L (2pcs.) from the FU frame upper, and then remove the eject pinch spring (4pcs.). Eject pinch roller F with eject pinch roller holder R Eject pinch roller F with...
  • Page 136 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (26) Release the harness from the hooks on the FU frame upper. Turn the frame up-side down. Remove the cup B M3x6 Taptite screw to remove the pick off finger holder plate and then remove the pick off finger using a piece of tweezers. Taptite,cup B M3x6 Pick off finger Pick off finger holder plate...
  • Page 137: Paper Pick-Up Roller Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.13 Paper Pick-up Roller ASSY NOTE: Be sure to remove all the covers before removing the paper pick-up roller ASSY. (1) Place the main frame upside down. (2) Remove the bearing R from the front chute ASSY. (3) Shift the paper pick-up roller ASSY with two roller collars to the left (the bearing R side) to release from the paper pick-up roller shaft.
  • Page 138: Feed Mp Unit

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.14 Feed MP Unit (1) Turn the main frame the right way up. (2) Open the MP roller cover. (2) Remove the bearing R from the MP chute ASSY. (3) Shift the paper pick-up roller ASSY with two roller collars to the left (the bearing R side) to release from the MP paper pick-up roller shaft.
  • Page 139 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (6) Remove the separation plate ASSY. (7) Remove the two MP pressure spring 25. (8) Remove the two bind B tite 3x10 screws from the MP chute cover. (9) Release the two bosses at the both ends of the MP pressure plate ASSY using a flat screwdriver, and then remove it from the main frame.
  • Page 140: Drive Unit

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.15 Drive Unit (1) Place the printer body carefully on its left hand side so that the drive unit is at the top. (2) Remove the three cup S tite 3x6 screws securing the reversing drive frame unit. (3) Disconnect the harness connector and remove the bind M3x4 screw to remove the reversing switch solenoid from the reversing drive frame unit.
  • Page 141 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (4) Release the hook of the gear to remove the switch arm ASSY and then remove the T-belt by releasing the hook of the two gears. Switch arm ASSY (hook) Gear Gear (hook) (hook) T-belt Drive unit Fig.
  • Page 142 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (7) Remove the three tapes on the harnesses and release the harness from the hooks. (8) Remove the four cup S tite 3x6 screws from the drive sub ASSY A and remove the spring, extension P/R from the gear 60 P/R. (9) Disconnect the connectors for the main motor ASSY and the toner LED PCB unit.
  • Page 143 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (11) Remove the four cup S tite 3x6 screws and disconnect the harness to remove the main motor ASSY from the drive sub ASSY A. Screw, cup S tite 3x6 Screw, cup S tite 3x6 Drive sub ASSY A Main motor ASSY Fig.
  • Page 144 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (10) Disconnect the two connectors for the solenoid relay PCB to remove the solenoid unit from the drive unit. (11) Release the two hooks and remove the solenoid ASSY P/R (red) and the solenoid ASSY MP (black) from the unit.
  • Page 145: Low-Voltage Power Supply Pcb Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (16) Remove the gear 60 P/R and gear 72 MP from the conductor bearing 5, and remove the middle roller gear from the conductor bearing H. (17) Remove the two conductor bearing 5. (18) Turn the knob of the conductor bearing H as the figure shown below, and remove the conductor bearing H from the main frame L.
  • Page 146: Main Pcb Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.17 Main PCB ASSY (1) Remove the two pan M3x6 screws and the six cup S tite 3x6 screws from the main PCB ASSY. (2) Disconnect the four connectors for the low-voltage power supply, engine PCB, the panel PCB and the scanner unit.
  • Page 147: Base Plate

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.19 Base Plate (1) Turn the main frame upside down. (2) Remove the five bind B M4x10 Taptie screws and four cup S tite 3x6 screws from the base plate. (3) Slide the base plate to the rear of the printer to remove it. Taptite, bind B M4x10 Screw, cup S tite 3x6 Base plate...
  • Page 148 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (2) Remove the two bind B M4x10 Taptite screws, one from the high-voltage PS PCB ASSY and the other from the engine PCB ASSY. (3) Shift the engine PCB ASSY slightly and remove the central connector, which connects the engine PCB ASSY, and the high-voltage PS PCB ASSY.
  • Page 149: Dx Sensor Pcb Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.21 DX Sensor PCB ASSY NOTE: Be sure to disconnect the DX sensor connector on the engine PCB before removing the DX sensor PCB ASSY. (1) Remove the two cup S tite 3x6 screws to remove the DX guide rail L with DX sensor PCB ASSY from the main frame.
  • Page 150: Toner Sensor Pcb Unit (Light Reception)

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.22 Toner Sensor PCB Unit (Light Reception) NOTE: Be sure to disconnect the toner sensor (light reception) connector on the engine PCB before removing the toner sensor PCB ASSY (light reception). (1) Remove the harness from the hooks on the fan duct. (2) Release the three hooks, and then lift up slightly and slide the fan duct to remove it.
  • Page 151: Paper Feed Roller Assy

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.24 Paper Feed Roller ASSY NOTE: Be sure to remove all the covers and the gear 21 before removing the paper feed roller ASSY. (1) Unhook the catch to remove the bearing 5 from the front chute ASSY. (2) Remove the paper feed roller ASSY from the front chute ASSY by sliding to the left, then lifting upward.
  • Page 152 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (3) Remove the paper pick-up roller shaft and the first feed roller shaft from the front chute ASSY. (4) Remove the four bind B M4x10 Taptite screws to remove the front chute ASSY. CA actuator PE actuator Taptite, bind B M4x10 Paper pick-up roller shaft...
  • Page 153: Exit Roller Unit

    &+$37(5  ',6$66(0%/< $1' 5($66(0%/< 3.26 Exit Roller Unit NOTE: Be sure to disconnect all the connectors on the fan relay PCB before removing the exit roller unit. (1) Remove the two shoulder screws to remove the exit roller unit from the printer. Shoulder screws Exit roller unit Fig.
  • Page 154 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< (5) Remove the fan motor 60A unit from the exit roller holder. Fan motor 60A unit Exit roller holder Fig. 4-98 4-56...
  • Page 155 3.27 Harness Winding Form 4-57...
  • Page 156 &+$37(5  ',6$66(0%/< $1' 5($66(0%/< PACKING AC Cords Accessory Bag Accessory Carton Drum Unit (with Toner Cartridge included) Printer Carton Fig. 4-99 4-58...
  • Page 157 :$51,1*  $OZD\V WXUQ RII WKH SRZHU VZLWFK DQG XQSOXJ WKH SRZHU FRUG IURP WKH SRZHU RXWOHW EHIRUH DFFHVVLQJ DQ\ SDUWV LQVLGH WKH SULQWHU  6RPH SDUWV LQVLGH WKH SULQWHU DUH H[WUHPHO\ KRW LPPHGLDWHO\ DIWHU WKH SULQWHU LV XVHG :KHQ RSHQLQJ WKH IURQW FRYHU RU UHDU FRYHU WR DFFHVV DQ\ SDUWV LQVLGH WKH SULQWHU QHYHU WRXFK WKH UHG FRORUHG SDUWV VKRZQ LQ WKH IROORZLQJ ILJXUHV...
  • Page 158 &$87,21 &$87,21 • • • • • •...
  • Page 159 &$87,21...
  • Page 160 &$87,21 • • • • • • • • •...
  • Page 161 +/1 6(59,&( 0$18$/ 3(5,2',&$/ 5(3/$&(0(17 3$576 127( 7KH DERYH WDEOH VKRZV RQO\ HVWLPDWHG YDOXHV 7KH\ DUH VXEMHFW WR FKDQJH ZLWKRXW SULRU QRWLFH...
  • Page 162 &$87,21 :$51,1* 7KHUH DUH KLJK YROWDJH HOHFWURGHV LQVLGH WKH SULQWHU %HIRUH FOHDQLQJ WKH SULQWHU PDNH VXUH WKDW WKH SRZHU VZLWFK KDV EHHQ WXUQHG RII DQG WKH SRZHU FRUG KDV EHHQ XQSOXJJHG IURP WKH SRZHU RXWOHW &$87,21 • • &$87,21...
  • Page 163 &$87,21 &$87,21...
  • Page 164 &$87,21 • • •...
  • Page 167 +/1 6(59,&( 0$18$/ &+$37(5  7528%/(6+227,1* ,1752'8&7,21 ,QLWLDO &KHFN • • • • • • • • • • • • •...
  • Page 168 &+$37(5  7528%/(6+227,1* • • • • :DUQLQJV IRU 0DLQWHQDQFH :RUN :$51,1*  $OZD\V WXUQ RII WKH SRZHU VZLWFK DQG XQSOXJ WKH SRZHU FRUG IURP WKH SRZHU RXWOHW EHIRUH DFFHVVLQJ DQ\ SDUWV LQVLGH WKH SULQWHU  6RPH SDUWV LQVLGH WKH SULQWHU DUH H[WUHPHO\ KRW LPPHGLDWHO\ DIWHU WKH SULQWHU LV XVHG :KHQ RSHQLQJ WKH IURQW FRYHU RU UHDU FRYHU WR DFFHVV DQ\ SDUWV LQVLGH WKH SULQWHU QHYHU WRXFK WKH UHG FRORUHG SDUWV VKRZQ LQ WKH IROORZLQJ ILJXUHV...
  • Page 169 +/1 6(59,&( 0$18$/ ,GHQWLI\ WKH 3UREOHP ,I \RX HQFRXQWHU DQ\ SULQWHU HUURU RU SUREOHP ILUVW LGHQWLI\ LW UHIHUULQJ WR WKH FKDUW EHORZ WKHQ VHH WKH DSSURSULDWH VHFWLRQ 127( 7KH IROORZLQJ WURXEOHVKRRWLQJ VHFWLRQV FRQWDLQ ERWK WKH DFWLRQV ZKLFK XVHUV VKRXOG WDNH RU FKHFN DQG WKH RQHV ZKLFK VHUYLFH WHFKQLFLDQV VKRXOG SHUIRUP The printer does not print.
  • Page 170 TONER EMPTY NO PAPER XXXX COVER OPEN FUSER OPEN FACE UP OPEN JAM XXXXXX MANUAL FEED BUFFER ERROR STORAGE FULL DOWNLOAD FULL FONT FULL MEMORY FULL...
  • Page 171 +/1 6(59,&( 0$18$/ (UURU 0HVVDJH 5HPHG\ PRINT OVERRUN IGNORE DATA SIZE ERROR DX NO DX TRAY DX LEVER ERROR NO TRAY1 CLEAN DRUM UNIT 0DLQWHQDQFH 0HVVDJH 5HPHG\ CHANGE DRUM SOON TONER LOW REPLACE PF KIT1 REPLACE PF KIT2 REPLACE FUSER REPLACE LASER...
  • Page 172 ERROR ### SERVICE CALL Error occurs. Confirm the LCD indication. Turn OFF/ON the power switch. Error occurs again. Temporary error. See section 5. Use the printer with- 'MALFUNCTIONS'. out corrective action.
  • Page 173 ERROR S01 ERROR S02 ERROR S03 ERROR S04 ERROR S05 ERROR S06 ERROR S07 ERROR S08 ERROR S09 ERROR S10 ERROR S11 ERROR S12 ERROR S13 ERROR S21 ERROR E41...
  • Page 174 ERROR E49 ERROR E50 ERROR E51 ERROR E52 ERROR E54 ERROR H60 ERROR H61 ERROR H63 ERROR H66 ERROR H67 ERROR H68 ERROR H73 ERROR H74 ERROR H37 ERROR H38 ERROR H39...
  • Page 176 • JAM TRAY1 JAM INSIDE JAM TRAY2 JAM REAR JAM MP TRAY JAM DUPLEX PAPER JAM • • •...
  • Page 179 • • • •...
  • Page 180 • •...
  • Page 183 • • •...
  • Page 190 • • • • • • • • • •...
  • Page 191 + lead pin - lead pin Voltage P5-2 P5-3 Approx. 24V Engine Approx. 5V P3-10 P3-9...
  • Page 194 • •...
  • Page 197 I-5 Dirt on back of paper I-1 Light I-2 Dark I-2 Dark I-3 Completely blank I-4 All black I-6 Black vertical I-6 Black vertical I-7 Black horizontal I-8 Black vertical I-9 White vertical streaks streaks stripes streaks streaks Print out test print out test print out test Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print out test print out test Print out test print o Print out test print o...
  • Page 203 • •...
  • Page 207 Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o...
  • Page 209 • •...
  • Page 212 • • •...
  • Page 220 Print Server Status Control...
  • Page 221 • • •...
  • Page 222 • • /etc/ethers /etc/hosts /etc/printcap /usr/spool :lp = /dev/null: \ :lp = :\...
  • Page 223 SET SERVICE BRN_xxxxxx_P1 EOT 2 SET SERVICE BRN_xxxxxx_P1 EOT 3 /etc/printcap mx#0 etc/printcap...
  • Page 224 • • •...
  • Page 225 PRINT QUEUE INFORMATION CURRENTLY ATTACHED SERVERS • • SET NETWARE PASSWORD SET NETWARE SERVER servername ENABLED SET NETWARE FRAME...
  • Page 226 SET APPLETALK ZONE...
  • Page 227 Right Left...
  • Page 228 CTPEDSMRFGL2FRE Right Left...
  • Page 232 (QWHULQJ WKH 3URIHVVLRQDO 0HQX 0RGH $FFHVVLQJ WKH 5HTXLUHG 0HQX ,QSXWWLQJ D 9DOXH RU 6HWWLQJ IRU D 3URIHVVLRQDO 0HQX 0RGH ([LWLQJ WKH 3URIHVVLRQDO 0HQX 0RGH...
  • Page 233 TRAY COMMAND MODE TRAY COM.=NORM* TRAY COM.=SPEC. READOUT SELECT READOUT=OFF* READOUT=ON FONT SELECT SCALABLE FONT FONT=ALL* FONT=LJ4 FONT SELECT PRIMARY FONT SECONDARY FONT IBM CHR SET MODE IBM E1H=Esszet IBM E1H=Beta W BOLD ON/OFF W BOLD=OFF* W BOLD=ON DLFNT Bd/It DLFNT Bd/It=NO* DLFNT Bd/It=YES B PROD ON/OFF...
  • Page 234 FONT SELECT 300DPI PRIORITY 3B PRIO=LOW* 3B PRIO=HIGH FX/XL SCALE FONT SCAL.F=NORMAL* SCAL.F=ALL SIZE FX/XL SCALE ITA. ITA=OBLIQUE* ITA=ITALIC SEL exit FONT PAPER&TRAY SIZE DEF PAPER=LT* DEF PAPER=A4 PARALLEL MENU PARALLEL TIMING CDCC PSW=H* CDDC PSW=L STB/ACK DELAY CDCC BSSL=L* CDCC BSSL=H exit PARALLEL REPRINT ON/OFF...
  • Page 235 AUTO HRC ON/OFF AUTO HRC=OFF* AUTO HRC=ON DEMO PAGE ON/OFF DEMO PAGE=ON* DEMO PAGE=OFF APPLETALK AT/PS APPLE TALK=PS* APPLE TALK=AUTO PS BINARY SELECT PS BINARY=ASCII* PS BINARY=BIN PS QUOTE BINARY PS QUOTEBIN=OFF* BS QUOTEBIN=ON PS IMAGE MASK PS IMAGEMSK=OFF* BS IMAGEMSK=ON PS CELL MODE PS CEIL=FLOOR* PS CEIL=CEIL...
  • Page 236 PS300RESO PS300RESO=NO* PS300RESO=IF 2M PS300RESO=FORCE COPY PAGES COPY PAGES=ON* COPY PAGES=OFF PANEL RESET MODE RESET=NORMAL* RESET=JOB JOB TIMEOUT SEL TIMEOUT=ON* TIMEOUT=OFF BACKLIGHT TEST BACKLIGHT=OFF BACKLIGHT=GREEN BACKLIGHT=RED BACKLIGHT=ORANGE exit VIEWANGLE TEST VIEWANGLE=0 VIEWANGLE=1 VIEWANGLE=2 exit NV-RAM DEBUG NV-RAM DISPLAY NV-RAM HEX PRINT exit JOB CANCEL TIME TIME OUT=XXsec...
  • Page 237 SERVICE INFO PAGE COUNT JAM COUNT DRUM CHANGE PF KIT 1 CHANGE PF KIT 2 CHANGE FUSER CHANGE LASER CHANGE COVERAGE A4 PAGE LETTER PAGE LEGAL PAGE EXECUTIVE PAGE B5 PAGE JIS B5 PAGE A5 PAGE A6 PAGE...
  • Page 238 SERVICE INFO B6 PAGE COM10 PAGE C5 PAGE DL PAGE MONARCH PAGE A4LONG PAGE ERROR HISTORY 1:####### 2:####### 3:####### …… 10:####### RESET COUNT RESET ALL COUNT...
  • Page 239 DEMO MODE=ON* DEMO MODE=OFF LANG.=ENGLISH* …… HEX DUMP MODE DRAM CHECK MODE GO TEST MODE LINE TEST MODE ZLH HV CHECK...
  • Page 241 Appendix 1. Connection Diagram, HL-1650/1670N A - 1...
  • Page 242 Appendix 2. Main PCB Circuit Diagram, HL-1650/1670N (1/6) CODE LJ8453001 NAME B512078CIR (1/6) A - 2...
  • Page 243 Appendix 3. Main PCB Circuit Diagram, HL-1650/1670N (2/6) CODE LJ8453001 NAME B512078CIR (2/6) A - 3...
  • Page 244 Appendix 4. Main PCB Circuit Diagram, HL-1650/1670N (3/6) CODE LJ8453001 NAME B512078CIR (3/6) A - 4...
  • Page 245 Appendix 5. Main PCB Circuit Diagram, HL-1650/1670N (4/6) CODE LJ8453001 NAME B512078CIR (4/6) A - 5...
  • Page 246 Appendix 6. Main PCB Circuit Diagram, HL-1650/1670N (5/6) CODE LJ8453001 NAME B512078CIR (5/6) A - 6...
  • Page 247 Appendix 7. Main PCB Circuit Diagram, HL-1650/1670N (6/6) CODE LJ8453001 NAME B512078CIR (6/6) A - 7...
  • Page 248 Appendix 8. Engine PCB Circuit Diagram, HL-1650/1670N (1/2) Red 5 Pin PH Right Angle Black 6 Pin PH Right Angle Straight White 2 Pin PH Right Angle White 3 Pin PH Right Angle White 5 Pin PH Right Angle White 4 Pin PH Right Angle Red 6 Pin PH Right Angle...
  • Page 249 Appendix 9. Engine PCB Circuit Diagram, HL-1650/1670N (2/2) Straight White 9 Pin PH Red 9 Pin PH Right Angle Straight Black 5 Pin PH CODE LJ8439001 NAME B512079CIR (2/2) A - 9...
  • Page 250 Appendix 10. Network Board PCB Circuit Diagram, HL-1650/1670N CODE LJ8439001 NAME B512058CIR A - 10...
  • Page 251 Appendix 11. Low-voltage Power Supply PCB Circuit Diagram (100V) Low-voltage PS Circuit NAME (100V) A - 11...
  • Page 252 Appendix 12. Low-voltage Power Supply PCB Circuit Diagram (200V) Low-voltage PS Circuit NAME (200V) A - 12...
  • Page 253 Appendix 13. High-voltage Power Supply PCB Circuit Diagram NAME High-voltage PS Circuit A - 13...
  • Page 256 φ φ φ φ φ φ φ...
  • Page 257 • •...
  • Page 259 • • • Drum Life 100% 00000020202020202 99.9% MZ-L2000000006801...
  • Page 260 • Value in units of 1,000 (Refer to the list below.) •...
  • Page 262 ([LW...
  • Page 267 • • • • •...
  • Page 269 +/1 6(59,&( 0$18$/ ,1'(;                       $                 ...
  • Page 270 ,1'(;                                           ...
  • Page 271 +/1 6(59,&( 0$18$/                         $ $   $            ...
  • Page 272 ,1'(;                                     $         $...
  • Page 273 +/1 6(59,&( 0$18$/                                 ...
  • Page 274 ,1'(;...
  • Page 275 %URWKHU /DVHU 3ULQWHU 3$576 5()(5(1&( /,67 02'(/ +/1...
  • Page 276 127( )25 86,1* 7+,6 3$576 5()(5(1&( /,67 1RWH  1R RUGHUV ZLWKRXW 3DUWV &RGH RU 7RRO 1R FDQ EH DFFHSWHG...
  • Page 277 &217(176 )5$0(  '5,9( 81,7   /$6(5 81,7  3$3(5 )(('(5  03 81,7   '83/(;   3$3(5 &$66(77(  ),;,1* 81,7  &29(56  0$,1 3&%   (1*,1( 3&%   /2:92/7$*( 32:(5 6833/< 3&%   +,*+92/7$*( 32:(5 6833/<...
  • Page 278 1. FRAME / DRIVE UNIT 1. FRAME / DRIVE UNIT REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK LJ5052001 1 MAIN MOTOR ASSY LJ5053001 1 FEED SOLENOID ASSY LJ5058001 1 SOLENOID ASSY P/R LJ5060001 1 SOLENOID ASSY MP LJ5208001 2 LOCK LEVER SPRING LJ5307001 1 TONER LED PCB UNIT (EMISSION) LJ8357001...
  • Page 279 3. PAPER FEEDER / MP UNIT 3. PAPER FEEDER / MP UNIT REF.NO. CODE Q'TY DESCRIPTION REMARK UL9059001 2 JOINT 5 UL9060001 1 FEED ROLLER ASSY UL9062001 2 BEARING 5 LJ5146001 1 FIRST FEED ROLLER ASSY LJ5016001 1 PAPER PICK-UP ROLLER ASSY *1 A component part of the LJ5016001 1 PAPER PICK-UP ROLLER ASSY...
  • Page 280 4. DUPLEX 4. DUPLEX REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5216001 1 EXIT ROLLER UNIT LJ5220001 1 EXIT ROLLER ASSY ZLH UL9122001 4 PINCH ROLLER ASSY UL9125001 4 PINCH ROLLER SPRING LJ8364001 1 REAR COVER SENSOR PCB ASSY 085411015 2 TAPTITE, BIND B M4X10 087310815 1 TAPTITE, CUP B M3X8 LJ5222001...
  • Page 281 5. PAPER CASSETTE 5. PAPER CASSETTE REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5002001 1 PAPER TRAY ASSY H2 BRO LJ5255001 1 PAPER TRAY H LJ4537001 1 PRESSURE PLATE ASSY LGL UL9077001 2 PERSSURE PLATE SPRING UL9078001 1 SIDE GUIDE L UL9079001 1 SIDE GUIDE R UL9080001 2 SIDE GUIDE RACK...
  • Page 282 6. FIXING UNIT 6. FIXING UNIT REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5606001 1 FIXING UNIT, 115V (SP) LJ5607001 1 FIXING UNIT, 230V (SP) 1-20 LJ5621001 1 CLEANER ASSY H UH3635001 1 CLEANER SPRING 30 1-18 1-10 LJ5272001 1 HEAT ROLLER 25 UL8908001 2 HR BEARING 25 LJ5274001...
  • Page 283 7. COVERS 7. COVERS REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5004001 1 SIDE COVER R LJ5630001 1 SIDE COVER L ASSY LJ5291001 1 PAPER STOPPER LJ5599001 1 PAPER STOPPER S LJ5293001 1 TOP COVER LJ5294001 1 PANEL COVER ASSY 6-11 LJ5295001 1 PANEL COVER LJ5296001 1 PANEL LIGHT GUIDE...
  • Page 284 8. MAIN PCB 8. MAIN PCB REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK LJ8451001 1 MAIN PCB ASSY 1650 B512078-300E LJ8650001 1 MAIN PCB ASSY 1670N B512078-320C LJ8793001 1 MASK ROM: HL-1650 LOW LJ8794001 1 MASK ROM: HL-1650 HIGH HL-1650 HL-1670N MODEL HL-1650/1670N 84U-Z21/Z22-101 MODEL HL-1650/1670N 84U-Z21/Z22-101...
  • Page 285 9. ENGINE PCB 9. ENGINE PCB REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK LJ8355001 1 ENGINE PCB ASSY 1650 B512079-200C MODEL HL-1650/1670N 84U-Z21/Z22-151 MODEL HL-1650/1670N 84U-Z21/Z22-151 10. LOW-VOLTAGE POWR SUPPLY PCB 10. LOW-VOLTAGE POWER SUPPLY PCB REF.NO. CODE Q'TY DESCRIPTION REMARK LJ8388001 1 PS PCB ASSY ZLH, 115V LJ8389001...
  • Page 286 11. HIGH-VOLTAGE POWER SUPPLY PCB 11. HIGH-VOLTAGE POWER SUPPLY PCB REF.NO. CODE Q'TY DESCRIPTION REMARK LJ8422001 1 HIGH-VOLTAGE PS PCB ASSY ZLH 085411015 1 TAPTITE, BIND B M4X10 MODEL HL-1650/1670N 84U-Z21/Z22-220 MODEL HL-1650/1670N 84U-Z21/Z22-220 12. AC CORDS 12. AC CORDS REF.NO.
  • Page 287 13. ACCESSORIES 13. ACCESSORIES REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5024001 1 CD ASSY 1650/1670N LJ5025001 1 SET GUIDE, US LJ5414001 1 SET GUIDE, FRA LJ5353001 1 SET GUIDE, GER LJ5424001 1 SET GUIDE, NOR LJ5429001 1 SET GUIDE, NL LJ5438001 1 SET GUIDE, DEN LJ5443001 1 SET GUIDE, SPA...
  • Page 288 14. PACKING MATERIALS 14. PACKING MATERIALS REF.NO. CODE Q'TY DESCRIPTION REMARK LL0329001 1 CARTON, HL-1650 US OSS LL0322001 1 CARTON, HL-1670N US LL0318001 1 CARTON, HL-1650 EUR LL0323001 1 CARTON, HL-1670N EUR LL0282001 1 STYROFORM PAD ASSY LL0280001 1 CARTON LJ5583001 1 BAG, 800X900H LJ5557001...
  • Page 289 16. PERIODICAL MAINTENANCE PARTS 16. PERIODICAL MAINTENANCE PARTS REF.NO. CODE Q'TY DESCRIPTION REMARK LJ5615001 1 PAPER FEEDING KIT LJ5016001 1 PAPER PICK-UP ROLLER ASSY LJ5256001 1 PAD HOLDER ZLH ASSY *1 Refer to "3. PAPER FEEDER / MP UNIT". *2 Refer to "5.

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