HP 4 Plus Manual
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Ref Part # NotesDescription RG5-0454-000CN RG5-0879-130CN LJ4 LJ4+/5 Fuser Assembly 110/115V C2001-69003 C2037-69001 LJ4 LJ4+/5 Fuser Assembly (Exchange) 110/115V RG5-0455-000CN RG5-0880-130CN LJ4 LJ4+/5 Fuser Assembly 220/240V C2001-69004 C2037-69002 LJ4 LJ4+/5 Fuser Assembly (Exchange) 220/240V 1 RA1-7584-000CN RB1-0253-000CN LJ4 LJ4+/5 S Ring, Roller (2 ea.) 2 RB1-2287-000CN S Washer, Grounding (LJ4 only) 3 RB1-3515-000CN Upper Frame 4 RB1-2263-000CN RB1-3516-020CN LJ4 LJ4+/5 Roller, Upper 5 RB1-2264-000CN RB1-3517-030CN LJ4 LJ4+/5 Roller, Lower 6 RB1-2265-000CN RB1-3518-000CN LJ4 LJ4+/5 S Guide, Paper Entrance 7 RF5-0536-000CN RF5-0744-000CN LJ4 LJ4+/5 S Guide, Separation 8 RF5-0428-000CN RF5-0737-000CN LJ4 LJ 4+/5 Cover, Left 9 RB1-2270-000CN S Cover (LJ4 only) 10 RF5-0535-000CN RF5-0738-000CN LJ4 LJ4+/5 S Cover, Wire 11 RB1-2272-000CN RB1-3526-000CN LJ4 LJ4+/5 S Guide, Lower Separation 12 RB1-2273-000CN RB1-3522-000CN LJ4 LJ4+/5 Lever, Sensor 13 RB1-2274-000CN RB1-3528-000CN LJ4 LJ4+ Lever, Release-Left RB1-3528-000CN LJ4+/5 Washer, Grounding 14 RB1-2284-000CN LJ4/4+ Clamp, Plate Release 15 RB1-2285-000CN RB1-3527-000CN LJ4 LJ4+ S Lever, Release 17 RF5-0427-000CN RF5-0736-000CN LJ4 LJ4+/5 S Cover, Right Table 8-10Fuser Assembly Parts and Diagrams 8-31
Ref Part # NotesDescription 20 RS5-0232-000CN RS5-0393-000CN LJ4 LJ4+/5 S Gear, 23T 21 RS5-1063-000CN RS5-1097-020CN LJ4 LJ4+/5 Bushing, Roller 22 RS5-1064-000CN RS5-1098-000CN LJ4 LJ4+/5 S Bushing, Roller 23 RS5-1065-000CN RS5-1099-000CN LJ4 LJ4+/5 S Bushing, Lower Roller (2) 24 RS5-2168-000CN RS5-2265-020CN LJ4 LJ4+/5 Spring, Compression (2) 25 RS5-2180-000CN S Spring, Tension 26 RB1-2286-000CN S Spring, Guide 28 RH7-7045-000CN RH7-7054-000CN LJ4 LJ4+/5 S Thermistor 29 RH7-4046-000CN RH7-4054-020CN LJ4 LJ4+/5 Heater, Halogen, 100/115V 29 RH7-4048-000CN RH7-4055-020CN LJ4 LJ4+/5 Heater, Halogen, 220/240V 30 RS5-9055-000CN S Screw, Shoulder (M3) 31 RG5-0474-000CN RG5-0881-000CN LJ4 LJ4+/5 Thermoswitch Ass ’y 32 RG5-0537-000CN RG5-0977-000CN LJ4 LJ4+/5 J743/J744 Cable, Fuser 33 RB1-2289-000CN RG5-0737-000CN LJ4 LJ4+ S Cover, Heater 34 XB2-8300-607CN XA9-0702-000CN LJ4 LJ4+/5 S Screw, M3x6 (4) 35 XB6-7300-409CN XA9-0678-000CN LJ4 LJ4+/5 S Screw, M3x4 Screw, M3x3 36 RF5-0716-000CN S Screw, Shoulder w/washer (M3) (Qty 2) 8-32 Parts and Diagrams
Accessory Parts Figure 8-11 Lower Cassette Base Assembly Parts and Diagrams 8-33
Ref Part # NotesDescription C2083A LJ4 LC Base Assembly w/non-Legal Cassette C2083B C2083D C3921A LJ4 LJ/4+ LJ5 LC Base Assembly with Legal Universal Cassette Tr a y 3 4 RB1-2606-000CN RB1-7977-000CN LJ4/4+ LJ5 Cover, Front 5 RB1-2628-000CN S Cover 6 RB1-2647-000CN S Plate, Grounding 8 RF5-0374-000CN S Click, Spring 9 RF5-0375-000CN S Shaft 10 RG5-0482-000CN RG5-2207-000CN LJ4/4+ LJ5 Frame, Lower Assembly 10A RB1-2620-000CN Foot, Rubber (Qty 2) 11 RG5-0483-020CN Mount, Cover Assembly 11A RB1-2616-000CN Roller, Guide 11D RB1-2615-000CN S Arm, Sensor 11F RG1-0542-020CN Cable, Paper Feed 12 RG5-0487-000CN RB1-2609-000CN RB1-7978-000CN LJ4 LJ4+ LJ5 S Inner Cover Ass’y 14 XA9-0591-000CN Screw (M3 x 8) (Qty 4) 17 RG5-0541-000CN RG5-1086-000CN LJ4 LJ4+/5 Lower Cassette Drive PCA Table 8-11Lower Cassette Base Assembly 8-34 Parts and Diagrams
Figure 8-12 Lower Cassette Drive Assembly Ref Part # NotesDescription 1 RG5-0481-000CN RG5-1099-000CN RG5-2209-000CN LJ4 LJ4+ LJ5 Drive Assembly, Lower Cassette Drive Assembly, Tray 3 1a RB1-2627-020CN Weight 1b RB1-2632-000CN RB1-2650-000CN RB1-7983-000CN LJ4 LJ4+ LJ5 Roller, Pickup Table 8-12Lower Cassette Drive Assembly Parts and Diagrams 8-35
Figure 8-13 Lower Cassette Assembly Ref Part #NotesDescription 1 C2084A C2084C LJ4 LJ4\4+ Universal 500 sheet Lower Cassette Tray (non-Legal) 1 C2084B C2084D C3923A LJ4 LJ4/4+ LJ5 Universal 500 sheet Lower Cassette Tray (Legal) 16 RB1-2645-000CN RB1-8009-000CN LJ4/4+ LJ5 Cover, Rear Cassette 21 RF5-0446-000CN RF5-1675-000CN LJ4/4+ LJ5 Plate, End Table 8-13Lower Cassette Assembly 8-36 Parts and Diagrams
Figure 8-14 Universal Cassette Parts and Diagrams 8-37
SIMM Memory Ref Part # NotesDescription C2085A C2085D C3924A LJ4 LJ4+ LJ5 250 sheet Universal Tray (Legal, Letter, Exec, A4) C2085B C2085E C3925A LJ4 LJ4+ LJ5 250 sheet PC Tray (letter) C2085C C2085F C3926A LJ4 LJ4+ LJ5 250 sheet PC Tray (A4) 2 RB1-2370-020CN Plate, Length Adjustment (part of tray assy) 21 RF5-0430-000CN Plate (part of tray assy) 24 RB1-2391-000CN RB1-7969-000CN LJ4/4+ LJ5 Cover, Legal Table 8-14Universal Cassette Part # Notes Size Type C2063A C3130A** (C3130-60001) LJ4 LJ4+/5 1 MByte 80nS RAM C2064A C3131A** (C3131-60001) LJ4 LJ4+/5 2 MBytes 80nS RAM C2065A C3132A** (C3132-60001) LJ4 LJ4+/5 4 MBytes 80nS RAM C2066A C3133A** (C3133-60001) LJ4 LJ4+/5 8 MBytes 80nS RAM C3146A** LJ4+/5 16 MBytes C2080A C3129A C3918A LJ4 LJ4+ LJ5 PostScript Level 2 Emulation SIMM C2080-69001 C3129-69001 C3918-69001 LJ4 LJ4+ LJ5 PostScript SIMM Package, Replacement Only C2081A N/A LJ4 LJ4+/5 IBM/Epson Emulation SIMM **This memory will NOT operate in the LaserJet 4 Table 8-15Simm Modules 8-38 Parts and Diagrams
Miscellaneous Parts and Accessories Part #Notes Description 92298A Toner Cartridge J2341A J2552A (J2552-69001) LJ4 LJ4+/5 AppleTalk MIO Interface J2550A (J2550-69001) LJ5 10-BaseT MIO Interface C2082B C3927A LJ4/4+ LJ5 Envelope Feeder (new) C2082-69001 C3927-69001 LJ4/4+ LJ5 Envelope Feeder (exchange) C2809A LJ4+/5 9-25 Pin Adaptor C2929A LJ5 Infrared Transceiver Pod Table 8-16Miscellaneous Parts and Accessories Parts and Diagrams 8-39
Parts List DescriptionPart #Fig. # Printer 10-BaseT MIO Interface J2550A (J2550-69001)5 16 Mbytes C3146A4+/5 250 Sheet PC Tray (A4) C2085C8-14 4 250 Sheet PC Tray (A4) C2085F8-14 4+ 250 Sheet PC Tray (A4) C3926A8-14 5 250 Sheet PC Tray (letter) C2085B8-14 4 250 Sheet PC Tray (letter) C2085E8-14 4+ 250 Sheet PC Tray (letter) C3925A8-14 5 250 Sheet Univ. Tray (Legal, letter, exec, A4) C2085A 8-14 4 250 Sheet Univ. Tray (Legal, letter, exec, A4) C2085D 8-14 4+ 250 Sheet Univ. Tray (Legal, letter, exec, A4) C3924A 8-14 5 80nS RAM, 1 Mbytes C2063A4 80nS RAM, 1 Mbytes C3130A (C3130-60001)4+/5 80nS RAM, 2 Mbytes C2064A4 80nS RAM, 2 Mbytes C3131A (C3131-60001)4+/5 80nS RAM, 4 Mbytes C2065A4 80nS RAM, 4 Mbytes C3132A (C3132-60001)4+/5 80nS RAM, 8 Mbytes C2066A4 80nS RAM, 8 Mbytes C3133A (C3133-60001)4+/5 9-25 Pin Adaptor C2809A4+/5 AppleTalk MIO Interface J2341A4 AppleTalk MIO Interface J2552A (J2552-69001)4+/5 Arm, Sensor RB1-2615-000CN 8-11 4/4+/5 Assembly, Delivery Sensor RG5-0475-000CN4/4+/5 Assembly, MP (Tray 1) Tray Base RG5-0467-060CN 8-6a 4/4+/5 Assembly, Sensor Holder RG5-0466-000CN 8-6a 4/4+/5 Table 8-17Alphanumeric Parts List 8-40 Parts and Diagrams