Hewlett-Packard Signature User Manual

LaserJet 1150 series printe

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HP Parts Reference Guide™

Electronic Accessories

Cable (Interface)

8120-8485 Universal Serial Bus (USB) interface cable - Type 'A' connector to type 'B' connector, 1.8m (6.0 ft) long 8121-0712 Universal serial bus (USB) interface cable - Type 'A' connector to type 'B' connector - 0.6m (24-inches) long

Electronics/Power Cords

Cable

RK2-0029-000CN Flex cable - Has two 14 pin (M) edge connectors - Connects between the laser/scanner assembly and the formatter PC

board

RM1-0563-000CN Scanner motor cable assembly - 4 pin (F) connector to 4-pin (F) connector - Connects between the laser/scanner

assembly and the formatter board

Control Panel

RM1-0549-000CN Control panel assembly - Includes the 'Go' button and LED, 'Ready' LED, and 'Attention' LED mounted on the left front

cover support - Mounts on the upper left corner of the left side plate

Fan/Airflow Guide

RM1-0547-000CN Fan and airflow guide assembly - Mounts to the upper front on the right side plate assembly

Laser/Scanner

RM1-0524-000CN Laser/scanner assembly - Mounts on top of the print structure frame

Motor

RK2-0062-000CN DC stepper motor assembly - Drives all rollers amd fusing assembly via the gear train on the right side - Mounts on the

inside rear of the right side plate assembly

PC Board

Q2455-60001 Formatter PC board assembly - Mounts to the left side frame assembly

RM1-0566-000CN Engine control PC board - Control and power supply board for the printer (For 110V to 127V operation) - Includes the

power cord connector and power switch - Mounts in the bottom of the printer

RM1-0567-000CN Engine control PC board - Control and power supply board for the printer (For 220V to 240V operation) - Includes the

power cord connector and power switch - Mounts in the bottom of the printer

Power Cord

8120-6800 Power cord (Flint Gray) - 16 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 240V in Israel) 8120-6809 Power cord (Dove Gray) - 2.3m (7.5ft) long - Has straight (F) receptacle (For 240V operation in the United Kingdom,

Hong Kong, Singapore, Malaysia)

8120-6811 Power cord (Flint Gray) - 17 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 220V in Europe, Saudi Arabia,

South Africa, India, and Korea)

8120-6812 Power cord (Flint Gray) - 18 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 120V in the USA, Canada,

Mexico, Philippines, and Taiwan)

8120-6813 Power cord (Flint Gray) - 17 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 220V in South Africa, Saudi

Arabia, and India) 8120-6814 Power cord (Flint Gray) - 17 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 220V in Denmark) 8120-6815 Power cord (Flint Gray) - 17 AWG, 2.3m (7.5ft) long - Has straight (F) receptacle (For 220V in Switzerland)

Sensor

RM1-0572-000CN Paper sensor PC board - Small board with optical flag sensor (Flag not included) - For sensing leading edge of paper -

Mounts in the bottom right of the paper pick-up assembly

RM1-0574-000CN Paper sensor PC board - Small board with optical flag sensor (Flag not included) - For sensing 'out of paper' in the

paper tray - Mounts in the bottom left of the paper pick-up assembly

Solenoid

RH7-5315-000CN 24VDC Solenoid - Engages the pick-up roller gear/clutch assembly - Mounts on the right side plate assembly

Spring

RA0-1026-000CN Torsion spring - Provides grounding connection to the toner cartridge (Photo sensitive drum) - Mounts on the inside of

the right side plate assembly

RA0-1035-000CN Torsion spring - Provides high voltage connection to the toner cartridge (developing cylinder) - Mounts on the left front

side of the paper feed guide assembly

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HP Parts Reference Guide™

Electronics/Power Cords

Spring

RA0-1200-000CN Torsion spring - Provides high voltage connection to the toner cartridge (primary charging roller) - Mounts on the left rear

side of the paper feed guide assembly

RC1-1792-000CN Torsion spring - Functions as an electrical connection between the engine control board and the transfer roller contact

spring - Mounts in the lower right corner of the paper pick-up assembly

External Case Parts

Cover

RC1-1821-000CN Front cover - Lower front of printer - With opening for inserting the paper input tray assembly

RC1-1822-000CN Right side cover assembly - Has molded-in air intake louvers

RC1-1823-000CN Left side printer cover - Covers the USB and LIO port connectors (On the formatter board)

RC1-1852-000CN Cover Insert - Covers the unused slot under the right side plate - Mounts to the right side plate

RM1-0544-000CN Rear cover assembly - Includes rear cover and fold down face-up (or straight through) paper output tray (Tray is NOT

sold separately)

RM1-0720-000CN Top cover assembly - Has face-down paper output tray molded into it

Door

RM1-0543-000CN Toner cartridge door - Fold down door used when accessing the toner cartridge - Mounts to the top of the front cover

Foot

RA0-1003-000CN Rubber foot - Used for the rear feet on the bottom of printer - Mounts on the front bottom frame of the paper pick-up

assembly (two used)

Link

RA0-1023-000CN Connecting link - Connects between the sliding linkage on the left and right side plates and the toner cartridge access

door (2 used)

Pan

RC1-1813-000CN Support pan (case) for the engine controller PC board - Metal pan which also acts as part of the bottom of the printer

Screw

RY7-5082-000CN Screw kit - Includes nine bags of different size screws - This is a complete set of screws for the LaserJet 1300 series

printer

Fusing Assembly Parts

Delivery

RM1-0556-020CN Face-down delivery assembly - Includes the support frame, drive roller and gear, and the four spring loaded pressure

rollers - Mounts in the upper rear of the fusing assembly

Fusing Assembly

RM1-0560-000CN Fusing assembly - Bonds toner to paper with heat (For 100V to 120V operation) - Mounts in the upper rear of the printer

RM1-0561-000CN Fusing assembly - Bonds toner to paper with heat (For 220V to 240V operation) - Mounts in the upper rear of the printer

Gear

RA0-1088-000CN 29 tooth gear - Mounts on the end of the pressure roller - Largest of the three gears on the fusing assembly

Spring

RA0-1090-000CN Tension spring - Provides upward tension for the green release lever (2 used) - Mounts in the left and right rear corners

of the fusing assembly

RA0-1099-000CN Torsion spring - Provides a small amount of back pressure for the delivery sensor flag - mounts in the rear center of the

fusing assembly

RA0-1115-000CN Torsion spring - Provides pressure for the lower solid rollers on the face-down paper delivery assembly (2 used)

RA0-1116-000CN Torsion spring - Provides pressure for the upper serrated rollers on the face-down paper delivery assembly (2 used)

RU5-2140-000CN Compression spring - Provides downward pressure on each end of the fusing roller (2 used) - Mounts in the upper part

of the fusing assembly

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HP Parts Reference Guide™

Other Accessories

Cleaning Supplies

5090-3379 Toner cleaning cloth - Specially treated cloth for absorbing toner (1 per package) - Ideal for clening up toner spills

Manual

5851-1468 LaserJet printer family paper specification guide Q1334-90928 HP LaserJet 1300 and LaserJet 1150 service manual

Other Internal Parts

Bracket

RA0-1185-000CN Left side fuser bracket ('L' Shaped) - Provides mounting support for the fusing assembly - Mounts to the upper rear

corner of the left side plate

RA0-1186-000CN Right side fuser bracket ('L' Shaped) - Provides mounting support for the fusing assembly - Mounts to the upper rear

corner of the right side plate

Fan/Airflow Guide

RM1-0547-000CN Fan and airflow guide assembly - Mounts to the upper front on the right side plate assembly

Gear

RA0-1176-000CN 69 tooth gear - Large gear with ribs and six small holes - Mounts on on a rod in the upper rear corner of the right side

plate

Gear Assembly

RA0-1016-000CN 87 tooth / 23 tooth dual gear assembly - (Reduction gear) Drives the paper feed roller gear - Mounts on the right side

plate assembly

Guide

RM1-0546-000CN Front guide assembly - Ribbed plastic piece that runs the width of the printer - Mounts to the front of the left and right

side plates

RM1-0682-000CN Front guide assembly - Ribbed plastic piece that runs the width of the printer - Mounts to the front of the left and right

side plates

Motor

RK2-0062-000CN DC stepper motor assembly - Drives all rollers amd fusing assembly via the gear train on the right side - Mounts on the

inside rear of the right side plate assembly

Plate

RM1-0528-000CN Left plate assembly - Left side of internal printer mechanism - Plate that the formatter PC board mounts to

RM1-0678-000CN Right side plate assembly - Includes the right side plate, drive motor, most all drive gears, and cam levers - Does not

come with the pick-up roller solenoid or 69 tooth gear - Right side of the internal printer mechanism

Spring

RA0-1006-000CN Tension spring - Provides tension for the floating gear holder (drive gear for the fusing assembly) - Mounts on the right

side plate assembly

RA0-1012-000CN Compression Spring - Grounds the pin in the toner cartridge drive gear - Mounts on the right side plate assembly

RA0-1026-000CN Torsion spring - Provides grounding connection to the toner cartridge (Photo sensitive drum) - Mounts on the inside of

the right side plate assembly

RA0-1035-000CN Torsion spring - Provides high voltage connection to the toner cartridge (developing cylinder) - Mounts on the left front

side of the paper feed guide assembly

RA0-1200-000CN Torsion spring - Provides high voltage connection to the toner cartridge (primary charging roller) - Mounts on the left rear

side of the paper feed guide assembly

RA0-1212-000CN Tensoin spring - Provides tension for the linkage which engages the toner cartridge drive gear - Mounts on the right side

plate

RC1-1765-000CN Torsion spring - Mounts under the toner cartridge retainer arm on the rear of the left side plate

Paper Path Parts

Delivery

RM1-0556-020CN Face-down delivery assembly - Includes the support frame, drive roller and gear, and the four spring loaded pressure

rollers - Mounts in the upper rear of the fusing assembly

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HP Parts Reference Guide™

Paper Path Parts

Guide

RM1-0682-000CN Front guide assembly - Ribbed plastic piece that runs the width of the printer - Mounts to the front of the left and right

side plates

Paper Feeder

RM1-0721-000CN Paper feed guide assembly - Support structure for the tranfer roller - Black plastic frame with metal guide plates and the

left high voltage contact springs for the toner cartridge - Mounts behind the paper pick-up assembly (below the toner

cartridge)

Paper Pick-Up

RM1-0531-000CN Paper pick-up assembly - Includes the pick-up roller, paper feed roller assembly, separation pad, plastic housing and

other associated parts - Mounts in the bottom of the printer

Roller

RL1-0303-000CN Paper Pickup Roller ('D' shaped roller) - Picks up media from the paper input tray - Clips in the holder on the paper

pickup shaft

RM1-0550-000CN Transfer roller assembly - Transfers static charge to the media being printed on - Mounts in the top of the paper feed

guide assembly

Paper Pick-Up Assy Parts

Foot

RA0-1003-000CN Rubber foot - Used for the rear feet on the bottom of printer - Mounts on the front bottom frame of the paper pick-up

assembly (two used)

Gear Assembly

RM1-0551-000CN Gear/clutch assembly (Solenoid activiated) - Includes the two gear bodies and internal spring - Drives the pickup roller in

the paper pickup assembly

Holder

RG0-1019-000CN Roller and holder assembly - Spring loaded roller in a black plastic holder assembly - Rolls against the paper feed rollers

(2 used) - Mounts on top of the paper pick-up assembly

Lift Plate

RM1-0532-000CN Lift plate assembly - Quartz Gray plastic plate with two Blue paper width adjusters - Mounts on the top front of the paper

pick-up assembly

Pad

RF0-1014-000CN Separation pad assembly - Mounts on a spring loaded arm in the paper pick-up assembly

Paper Pick-Up

RM1-0531-000CN Paper pick-up assembly - Includes the pick-up roller, paper feed roller assembly, separation pad, plastic housing and

other associated parts - Mounts in the bottom of the printer

Roller

RL1-0303-000CN Paper Pickup Roller ('D' shaped roller) - Picks up media from the paper input tray - Clips in the holder on the paper

pickup shaft

Sensor

RM1-0572-000CN Paper sensor PC board - Small board with optical flag sensor (Flag not included) - For sensing leading edge of paper -

Mounts in the bottom right of the paper pick-up assembly

RM1-0574-000CN Paper sensor PC board - Small board with optical flag sensor (Flag not included) - For sensing 'out of paper' in the

paper tray - Mounts in the bottom left of the paper pick-up assembly

Shaft

RM1-0533-000CN Paper pick-up shaft assembly - Includes the shaft, the two cams, pick-up roller holder, and end cap - Mounts in the

paper pick-up assembly

Spring

RA0-1050-000CN Compression spring - Clutch spring - Engages the center gear in the paper feed roller gear/clutch assembly - Mounts on

the right side of the paper pick-up assembly

RA0-1060-000CN Compression spring - Provides upward pressure for the separation pad assembly - Mounts in the paper pick-up

assembly

RA0-1061-000CN Compression Spring - Provides upward pressure for the rear of the lift plate assembly (2 Used) - Mounts on top of the

paper pick-up assembly

LaserJet 1150 series printe

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HP Parts Reference Guide™

Paper Pick-Up Assy Parts

Spring

RC1-1782-000CN Torsion spring - Provides a small amount of back pressure for the paper pick-up sensor flag - mounts in the bottom rear

of the paper pick-up assembly

RC1-1792-000CN Torsion spring - Functions as an electrical connection between the engine control board and the transfer roller contact

spring - Mounts in the lower right corner of the paper pick-up assembly

Paper Tray Parts

Cover

RM1-0544-000CN Rear cover assembly - Includes rear cover and fold down face-up (or straight through) paper output tray (Tray is NOT

sold separately)

RM1-0554-000CN Paper tray cover assembly - Includes translucent blue plastic cover with blue plastic width adjustment guides for 'priority'

paper input - Covers the LaserJet paper input tray

Tray Assembly

RM1-0553-000CN Printer input paper tray assembly - Includes bottom tray, paper length adjustment lever, and extension arm

HP Parts Reference Guide™

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Major Assembly Locator

38, 39

LaserJet 1150 series printe

10, 11

69, 77

+ 11 hidden pages