HP LaserJet 4300
Printer Service Parts from
Computronics Enterprises, Inc.
Call CEI for pricing and availability: 770.484.7150.
Q2431A
HP LaserJet 4300
Q2432A
HP LaserJet 4300N
Q2433A
HP LaserJet 4300TN
Q2434A
HP LaserJet 4300DTN
Q2435A
HP LaserJet 4300DTNS
Q2448A
HP LaserJet 4300DTNSL
Part Number
Part
Description
RC1-0003 Arm Toner cartridge arm - Mechanical link between main drive assembly and toner cartridge release mechanism
the lower frame - Provides a positive stop when the front door isRC1-0714 Front door stop arm - Thin plastic arm between the front door and  opened
RC1-0206 Bushing Bushing - On right side of paper pickup drive assembly
RC1-0264 Feed roller shaft bushing - Bushing on right side of printer that supports the feed roller shaft.
RG1-4213 Cable Top Cover cable - From top cover microswitch (SW101) to DC Controller board
RG1-4221 Tray 2 paper pickup sensor cable assembly - Connects to sensors PS101 and PS107
RG1-4231 Fuser cable - Main fuser cable for LaserJet 4300 series
RG1-4239 Interface cable assembly - Connects between the 6-pin interface connector and the feeder control board - Mounts on the right side of the 1,500 sheet paper feeder assembly
RG1-4240 Media size sensor cable assembly - Connects between the paper size sensor assembly and the feeder control board - Mounts on the right side of the 1,500 sheet paper feeder assembly
RG1-4241 Front door sensor cable - Connects between the sensor in the feeder lifter drive assembly and the feeder control board - Mounts on the right side of the 1,500 sheet paper feeder assembly
RG1-4250 Sensor cable assembly - For 500 sheet feeder assembly
RG5-6815 AC cable - Low voltage power supply (LVPS) to fuser power supply cable
RG5-6826 DC Controller to fuser safety circuit, high voltage power supply (HVPS), electrostatic transfer belt (ETB)
RM1-1189 Top bin full sensor cable
RM1-1190 Control panel cable
RM1-1191 Memory cable - From DC Controller board to the toner cartridge wireless memory contact tag
RM1-1192 Power cable for Tray 3 paper feeder - Black connector with 42mm six wire cable to white connector
RM1-1193 Envelope feeder cable - From DC Controller board to envelope feeder connector - Includes envelope feeder connector
5063-1256 Cable (Interface) IEEE 1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36-pin Centronics (M) connector (type B) - 2.0m (6.6ft) long - (replacement for C2950A)
5063-1257 IEEE 1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36-pin Centronics (M) connector (type B) - 3.0m (9.8ft) long - (replacement for C2951A)
C2950A IEEE 1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36-pin Centronics (M) connector (type B) - 2.0m (6.6ft) long
C2951A IEEE-1284 Bi-Tronics parallel cable - DB-25 (M) connector (type A) to 36 pin Centronics (M) connector (type B) - 3.0m (9.8ft) long
Q1339A Cartridge HP Monochrome LaserJet 4300 Print Cartridge
5090-3379 Cleaning Supplies Toner cleaning cloth - Specially treated cloth for absorbing toner (1 per package) - Ideal for cleaning up toner spills
XD9-0234 Clip E-Type retainer ring - Holds paper feed assembly gear
RM1-0042 Connector Accessory cable/connector - Connector for stacker and stacker/stapler accessory at top right rear of printer
RM1-1236 Cable and connector on top right rear of 500 sheet feeder assembly
RM1-1237 Cable and connector on bottom right rear of 500 sheet feeder assembly
VS1-6175 6-pin connector and housing assembly - Interconnects the optional paper feeder assembly with the host printer - Mounts on top of the right side of the paper feed assembly
RM1-1195 Control Panel Control panel assembly
RC1-0019 Cover Inner right front cover
RC1-0287 Left side cover panel
RC1-0288 Formatter board cover
RC1-0289 Top rear cover of printer - Removes for Stapler/Stacker installation
RC1-0290 Lower rear cover - Covers rear of standard 500 sheet tray
RC1-0291 Duplexer slot cover - Removable lower rear cover for Duplexer attachment slot
RC1-0320 Envelope cover - Plastic piece above Tray 1 pickup roller
RC1-0487 Left side cover for 500 sheet paper feeder assembly
RC1-0488 Right side cover for 500 sheet paper feeder assembly
RC1-0500 Cover plate - Plastic cover on right front corner of 500 sheet feeder tray - Covers removable tray number designator plate
RC1-0661 Right side cover assembly - For the 1,500 sheet paper feeder assembly
RC1-0662 Left side cover assembly - For the 1,500 sheet paper feeder assembly
RC1-0663 Rear cover assembly - Box type cover for the rear of the 1,500 sheet paper feeder assembly
RM1-0027 Rear output tray assembly - Includes upper rear paper output tray and cover
RM1-0046 Right side cover assembly
RM1-0049 Top cover assembly - Top paper output tray and top of printer
RM1-0050 Front cover - Drop down Tray 1
RM1-0114 Cartridge access door cover for LaserJet 4250/4350 family
RM1-0273 Front cover (or door) - Provides access to load paper in the 1,500 sheet paper feeder assembly
RM1-0001 Drive Assembly Main drive assembly - Main gear assembly on right side of printer
RM1-0056 Paper pickup drive assembly - Gear assembly on right front side of 500 sheet paper feeder assembly
RM1-0283 Paper pickup drive assembly - Includes the drive gears and solenoid mounted on a bracket assembly - Mounts toward the top of the right side frame on the 1,500 sheet paper feeder assembly
RM1-0287 Lifter driver assembly - Includes the three drive gears, swing arm, tension spring and door open sensor - Mounts toward the bottom of the right side frame on the 1,500 sheet paper feeder assembly
Q2439-69002 Duplexer Automatic duplexer assembly - For LaserJet 4200/4250 and 4300/4350 series printers
(New part = Q2439-67902)
Q2439B Automatic duplexer assembly - For LaserJet 4200/4250 and 4300/4350 series printers
RK2-0278 Fan Cooling fan on left side of printer - FN101
RK2-0280 Cooling fan on right side of printer - Print cartridge fan - FN103
RC1-0060 Flag Paper feed sensor flag for Tray 1
RC1-0161 Paper size sensing flag - White plastic arm used as mechanical link to tray size sensor PC Board - Three used per sensing assembly
RC1-0209 Paper sensor flag for Tray 2 paper pickup assembly
Q2431-69018 Fusing Assembly Refurbished fuser assembly for LaserJet 4300 series - Bonds toner to paper with heat - For 100 to 127VAC operation
(New part = RM1-0101)
Q2431-69019 Refurbished fuser assembly for LaserJet 4300 series - Bonds toner to paper with heat - For 220 to 240VAC operation
(New part = RM1-0102)
RM1-0101 Fuser assembly for LaserJet 4300 series - Bonds toner to paper with heat - For 100 to 127VAC operation
RM1-0102 Fuser assembly for LaserJet 4300 series - Bonds toner to paper with heat - For 220 to 240VAC operation
RU5-0045 Gear 18-tooth gear - Located on right side of printer in the Tray 2 paper pickup assembly
RU5-0050 30-tooth gear - Black plastic gear that attaches to paper feed assembly clutch
RU5-0088 18 tooth gear - Located on right side of printer in the 500 sheet tray paper pickup assembly
RM1-0002 Gear Assembly Duplexing pendulum assembly - Gear assembly that transfers power from main motor to run duplexing capability
RM1-0286 Paper level sensor gear assembly -
RC1-0153 Guide Right side Tray 2 paper cassette guide
RC1-0244 Support guide - Supports right rear side of power supply board
RC1-0269 DC Controller flat cable guide
RC1-0270 DC Controller board cable guide
RC1-0273 Paper feed belt guide for left side
RC1-0274 Paper feed belt guide for right side
RC1-0340 Guide for scanner cable 1
RC1-0385 Guide for scanner cable 2
RC1-0386 Connecting cable guide - Routes and protects all cables running from top portion of printer to the DC controller board
RC1-2411 Alignment guide rib - Duplexer skew countermeasure
RC1-0208 Holder Paper sensor flag holder
RC1-0211 Paper pickup arm - Pickup and feed roller holder for Tray 2 paper pickup assembly
RC1-0212 Paper pickup arm holder - Holder for pickup roller shaft
RC1-0342 Thermistor holder - Plastic inside half of thermistor holder
RC1-0343 Thermistor holder - Metal outside half of thermistor holder
Q2431-67908 Label Kit LaserJet 4300 series name plate kit - Includes all model labels for LaserJet 4300 series and one HP jewel label used on drop down Tray 1
RM1-0113 Laser/Scanner Laser/scanner assembly
RF5-3898 Lever Laser scanner shutter lever - Four used
RM1-0033 Lifter Tray 2 lifter drive assembly - Provides lift support for paper tray
RM1-0208 Tray lifter drive assembly - Lifts paper tray as paper is used in 500 sheet tray
Q2436-67907 Maintenance Kit LaserJet 4300 maintenance kit - (120V) - Includes refurbished fusing assembly, separation roller, transfer roller, feed roller for Tray 1, two feed rollers for 500 sheet tray, one feed roller for 1500 sheet tray and installation instructions
Q2436-69007 LaserJet 4300 maintenance kit - (120V) - Includes refurbished fusing assembly, separation roller, transfer roller, feed roller for Tray 1, two feed rollers for 500 sheet tray, one feed roller for 1500 sheet tray and installation instructions
(New part = Q2436-67907)
Q2437-69007 LaserJet 4300 maintenance kit - (220V) - Includes refurbished fusing assembly, separation roller, transfer roller, feed roller for Tray 1, two feed rollers for 500 sheet tray, one feed roller for 1500 sheet tray and installation instructions
(New part = Q2437-67907)
5851-1890 Manual LaserJet part list booklet - Covers LaserJet 1005, 1010, 1012, 1015, 1200, 2300, 3300mfp, 4100mfp, 5000, 5100, 8150 and 9000 series printers - Volume I - This is only listing of service parts for these printers
5851-1891 LaserJet quick reference service guide (monochrome) - Volume IV
Q2431-90916 LaserJet 4200/4300 combined product family service manual
Q7709-67951 Memory (DIMM) 128MB, 100-pin SDRAM DIMM memory module
RH7-1570 Motor Main motor - Motor on front right side of printer - M101
RH7-1576 Toner cartridge motor - Motor M102
Q2431-40009 Overlay Control Panel Overlay (Spanish)
C9651-69001 PC Board Formatter board assembly
(New part = C9651-67901)
RG1-4200 Paper feeder assembly PC Board - PC Board on right side of 500 sheet paper feeder assembly
RG1-4237 DC controller board - DC Controller for LaserJet 4300 series
RG1-4238 Feeder control PC board - Mounts on the right side of the 1,500 sheet paper feeder assembly
RL1-0007 Pad Tray 1 paper separation pad
RM1-0025 Paper Feeder Paper feed belt assembly
RM1-0034 Pickup Assembly Pickup drive assembly for Tray 2
8120-8381 Power Cord Power cord (Flint Gray) - 18 AWG, 1.8m (6.0ft) long - Has 90 degree (F) C13 receptacle (For 120VAC in the United States, Canada, Latin America, Korea, Taiwan, and Thailand)
Q2431-69015 Power Supply Power supply assembly - 110V
(New part = RM1-0107)
RM1-0107 Power supply assembly - 110VAC
RM1-0108 Power supply assembly - 220V
RC1-0268 Rod Metal rod between external power button and switch on power supply board
RL1-0019 Roller Tray 1 pickup roller - D-shaped roller under envelope cover
RM1-0036 Paper pickup roller - Gray spongy rubber roller on a white cylinder and 24 tooth white gear on one side -
RM1-0037 Paper feed/seperation roller assembly - Black rubber roller on a blue plastic cylinder - For Tray 2 and 1500 sheet feeder
RM1-0699 Transfer roller assembly - Long black spongy roller - Transfers charge to paper
RM1-0012 Roller Assembly Paper feed roller assembly
RM1-0026 Paper delivery assembly - Paper output roller assembly
RM1-1098 Registration roller assembly
XA9-1316 Screw M4X10 Phillips screw with broad flat washer head - Sheet metal thread
XB4-7300 Screw - 6 mm Phillips head screw with attached washer
RC1-0748 Sensor Paper size sensor block - Spring loaded block which activates the paper size sensor fingers - Mounts on the inside frame of the 1,500 sheet paper feeder assembly
RM1-0041 Tray 2 paper size tray sensing assembly - White plastic tray size sensing fingers and microswitch assembly
RM1-0285 Paper sensor assembly - Includes the support tray with the paper stack surface and paper detection sensors, associated sensor flags, and cable assembly - Mounts on the bottom of the paper pickup assembly (top deck of the 1,500 sheet paper feeder assembly)
RM1-0294 Paper size sensor assembly - Includes the three size fingers, micro-switch assembly and housing assembly - Mounts on the outside of the right frame assembly (in the lower rear corner)
WG8-5624 Photo-sensor (TLP1241) - Sensor flag activated -
RC1-0210 Shaft Feeder roller shaft - Axel for Tray 2 feed roller
RM1-0053 Shutter Left side shutter assembly - Blocks light from scanner on left side
RM1-0054 Right side shutter assembly - Blocks light from scanner on right side
RK2-0269 Solenoid Paper pickup solenoid
RK2-0276 Tray 1 solenoid - Engages Tray 1 pickup roller
RC1-0061 Spring Torsion spring
RC1-0198 Tension spring - Provides tension for lifter drive assembly
RC1-0213 Compression spring - Provides pressure for paper pickup and feed rollers in Tray 2 pickup assembly
RC1-0344 Support Fan cover - Metal support strap that main cooling fan fastens to - For fan FN101, main cooling fan on right left side of printer
WC4-5139 Switch Top cover interlock access switch
RK2-0359 Thermistor Environment temperature detection thermistor - Detects ambient air temperature to determine length of time for fuser warm up
RC1-0335 Torque Limiter Torque limiter - Torque limiter for 500 sheet paper feeder pickup roller
RM1-0007 Transfer Assembly Paper transfer assembly
RM1-0005 Tray Drop down Tray 1 - Includes adjustable paper width guide assembly
RM1-1088 500-sheet tray/cassette - This is only the tray, does not include feeder or frame that tray goes into
Q2440-67903 Tray Assembly 500-sheet paper feeder and tray/cassette - This is the assembly frame and tray that the printer sits on top of
RM1-0004 Tray 1 paper input assembly