Service Manual
Page 73
... for HL-1670N Option for HL-1650) Ethernet 10/100 Base TX Control system RAM 8MB Expansion memory I/O PCI bus Video control block Interface block (Parallel / USB) External device Low-voltage power supply block High-voltage power supply block Engine control block Operation block (Control panel) Laser unit Drum unit Transfer block Drive block (DC motor) Charging...
... for HL-1670N Option for HL-1650) Ethernet 10/100 Base TX Control system RAM 8MB Expansion memory I/O PCI bus Video control block Interface block (Parallel / USB) External device Low-voltage power supply block High-voltage power supply block Engine control block Operation block (Control panel) Laser unit Drum unit Transfer block Drive block (DC motor) Charging...
Service Manual
Page 89
...18$/ Network Board (HL-1670N) Panel PCB Laser Unit H Laser Polygon Motor Main PCB Low-Voltage Power Supply PCB Fixing Unit Halogen Lamp LT Front Connector LT PCB (Option) LT Solenoid LT Paper Registration Sensor LT Paper Empty Sensor Engine PCB Front Registration Sensor Rear Registration Sensor Main Motor DX Sensor PCB ...Thermister Relay PCB Jam Clear Cover Sensor Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Paper Dust Cleaner 60 mm sq Fan Motor A 60 mm sq Fan Motor 80 mm sq Fan Motor Toner Sensor PCB (Light reception) Rear ...
...18$/ Network Board (HL-1670N) Panel PCB Laser Unit H Laser Polygon Motor Main PCB Low-Voltage Power Supply PCB Fixing Unit Halogen Lamp LT Front Connector LT PCB (Option) LT Solenoid LT Paper Registration Sensor LT Paper Empty Sensor Engine PCB Front Registration Sensor Rear Registration Sensor Main Motor DX Sensor PCB ...Thermister Relay PCB Jam Clear Cover Sensor Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Paper Dust Cleaner 60 mm sq Fan Motor A 60 mm sq Fan Motor 80 mm sq Fan Motor Toner Sensor PCB (Light reception) Rear ...
Service Manual
Page 100
DISASSEMBLY FLOW 1 AC CORD 2 DRUM UNIT 3 PAPER CASSETTE 4 NETWORK BOARD 5 TOP COVER 6 DX FEED ASSY 7 REAR COVER 26 EXIT ROLLER UNIT 8 REAR COVER R / L SIDE COVER R / L 9 MP COVER ASSY 10 PROCESS UNIT COVER ASSY 11 LASER UNIT 12 FIXING UNIT 13 PAPER PICK-UP ROLLER ASSY 14 FEED MP UNIT 15 DRIVE UNIT 16 LOW-VOLTAGE PS PCB ASSY (A) 24 PAPER FEED ROLLER ASSY 25 FIRST FEED ROLLER ASSY 17 MAIN PCB ASSY 18 FAN MOTOR FAN MOTOR 60 4-2 19 BASE PLATE 20 ENGINE PCB ASSY / HIGH-VOLTAGE PS PCB ASSY (A) 21 DX SENSOR PCB ASSY 22 TONER SENSOR PCB UNIT 23 TONER LED PCB UNIT 2.
DISASSEMBLY FLOW 1 AC CORD 2 DRUM UNIT 3 PAPER CASSETTE 4 NETWORK BOARD 5 TOP COVER 6 DX FEED ASSY 7 REAR COVER 26 EXIT ROLLER UNIT 8 REAR COVER R / L SIDE COVER R / L 9 MP COVER ASSY 10 PROCESS UNIT COVER ASSY 11 LASER UNIT 12 FIXING UNIT 13 PAPER PICK-UP ROLLER ASSY 14 FEED MP UNIT 15 DRIVE UNIT 16 LOW-VOLTAGE PS PCB ASSY (A) 24 PAPER FEED ROLLER ASSY 25 FIRST FEED ROLLER ASSY 17 MAIN PCB ASSY 18 FAN MOTOR FAN MOTOR 60 4-2 19 BASE PLATE 20 ENGINE PCB ASSY / HIGH-VOLTAGE PS PCB ASSY (A) 21 DX SENSOR PCB ASSY 22 TONER SENSOR PCB UNIT 23 TONER LED PCB UNIT 2.
Service Manual
Page 124
...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 hook and remove the P harness cover. (4) Disconnect the LD harness and the polygon motor connector. (5) Taking care not to...from the main unit. Screw, cup S tite 3x6 Main unit Fan relay PCB ASSY Fig. 4-46 (2) Remove the three cup S M3x16 Taptite screws. (3) Push the P harness cover to the right to touch the lens and mirror, remove the laser unit. LD harness Taptite, cup S M3x16 Laser unit Polygon motor connector (hook...
...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 hook and remove the P harness cover. (4) Disconnect the LD harness and the polygon motor connector. (5) Taking care not to...from the main unit. Screw, cup S tite 3x6 Main unit Fan relay PCB ASSY Fig. 4-46 (2) Remove the three cup S M3x16 Taptite screws. (3) Push the P harness cover to the right to touch the lens and mirror, remove the laser unit. LD harness Taptite, cup S M3x16 Laser unit Polygon motor connector (hook...
Service Manual
Page 278
...17 17 19 17 11 12 19 13 22 11 20 4 14 11 3 13 MODEL HL-1650/1670N 84U-Z21/Z22-010 2. LASER UNIT REF.NO. 1. LASER UNIT 2 2 2 1 15 19 18 1. CODE Q'TY DESCRIPTION 1 LJ5052001 1 MAIN MOTOR ASSY 2 LJ5053001 1 FEED SOLENOID ASSY 3 LJ5058001 1 SOLENOID ASSY P/R 4 LJ5060001 1 ... M4X10 21 000300415 1 SCREW, BIND M3X4 22 085310815 1 TAPTITE, BIND B M3X8 SYMBOL REMARK MODEL HL-1650/1670N 84U-Z21/Z22-010 2. CODE 1 LJ5604001 2 087321615 Q'TY DESCRIPTION 1 LASER UNIT (SP) 3 TAPTITE, CUP S M3X16 SYMBOL REMARK MODEL HL-1650/1670N 84U-Z21/Z22-020 - 1 -
...17 17 19 17 11 12 19 13 22 11 20 4 14 11 3 13 MODEL HL-1650/1670N 84U-Z21/Z22-010 2. LASER UNIT REF.NO. 1. LASER UNIT 2 2 2 1 15 19 18 1. CODE Q'TY DESCRIPTION 1 LJ5052001 1 MAIN MOTOR ASSY 2 LJ5053001 1 FEED SOLENOID ASSY 3 LJ5058001 1 SOLENOID ASSY P/R 4 LJ5060001 1 ... M4X10 21 000300415 1 SCREW, BIND M3X4 22 085310815 1 TAPTITE, BIND B M3X8 SYMBOL REMARK MODEL HL-1650/1670N 84U-Z21/Z22-010 2. CODE 1 LJ5604001 2 087321615 Q'TY DESCRIPTION 1 LASER UNIT (SP) 3 TAPTITE, CUP S M3X16 SYMBOL REMARK MODEL HL-1650/1670N 84U-Z21/Z22-020 - 1 -