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HP LaserJet Enterprise 8501 Parts

Exploded parts diagrams and part numbers for the HP LaserJet Enterprise 8501dn, 8501x, 8501x+ and 8501xb+. Part numbers are taken directly from HP's repair manual. Where a part shows an order button we have it in stock — for anything else, call us on 1-888-742-9565 and we will source it.

**6-1 — Covers**
6ER04-40008 Rear upper cover (qty 1) 6ER04-40019 Rear lower cover (qty 1) 6ER04-61005 Controller cover (qty 1) 9S187-40002 Exit rear cover (qty 1) 9S187-40001 Left upper cover (qty 1) 6ER04-40049 Left cover (qty 1) 6ER04-40026 Middle upper cover (qty 1) 9S187-40004 Right upper cover (qty 1) 6ER04-61003 Right rear cover (qty 1) 6ER04-40005 Right front cover (qty 1) 6ER04-61006 Right middle cover assembly (qty 1) 15 6ER04-40025 Right middle cover (qty 1) 16 6EQ94-40029 Power key (qty 1) 3SJ33-60007 PCA -power key (qty 1) 3SJ33-60007 PCA-PBA KEY SUB New 3SJ33-60007 (New) 3-4 Day Lead $88.40 6EQ94-40032 HIP cover (qty 1) 6ER04-40036 Middle left cover (qty 1) 6ER04-61004 Exit cover stacker (qty 1) 9S185-60007 Inner cover (qty 1) 6ER04-40030 Front lower cover (qty 1) 6ER08-61001 Front cover assembly (qty 1) 24 6ER04-40003 Front cover - Blue CMF Panel (qty 1) 5QK09-60120 Tray 2 cassette (qty 1) 5QK09-40055 Tray 2 cover - Blue CMF panel (qty 1) 5QK09-60121 Tray 3 (qty 1) 5QK09-40058 Tray 3 cover - Blue CMF panel (qty 1) 30 63C82-67029 Card reader rotation adapter 31 9S187-40003 Cover top (qty 1) X3A92-67924 Kit-Screws c-clips e-clips

**6-2 — Tray 1**
5RC03-67001 Tray 1 roller kit (qty 1) 5RC03-67001 MP Roller Kit New 5RC03-67001 (New) $134.64

**6-3 — Tray 2, 3**
5QK09-60120 Tray 2 cassette (qty 1) 5QK09-60121 Tray 3 cassette (qty 1) 5PN66-67001 Tray 2, 3 roller kit (qty 1) 5PN66-67001 Feed Roller Kit New 5PN66-67001 (New) $134.64 3SJ00-60110 Photo interrupter (Tray 2, sensor) Y1G22-67901 Tray heater 110V (qty 1) Y1G22-67902 Tray heater 220V (qty 1)

**6-4 — Registration and loop sensors**
5QK13-60101 Registration unit assembly (qty 1) 5PN85-67001 Paper Transfer Belt (PTB) 5PN85-67001 Image Transfer Unit New 5PN85-67001 (New) $537.20 3SJ00-60110 Photo interrupter (Loop sensor 0960-5271 Paper sensor (Fuser out sensor) (qty 1) 11 5QK09-40109 Cover waste (qty 1)

**6-5 — Exit unit**
3SJ00-60110 Photo interrupter (Out bin 3SJ00-60110 Photo interrupter (Exit 2 sensor) (qty 1) 3SJ00-60110 Photo interrupter (Duplex 3SJ00-60110 Photo interrupter (Out bin (optional))

**6-7 — Toner**
3SJ00-60110 Photo interrupter (Duplex

**6-8 — Reservoir**
SS216-80501 Toner dispense motor (qty 1) 3SJ00-60110 Photo interrupter (Toner dispense sensor) W1760-67002 Toner cartridge -standard 6 63C82-60006 Guide toner cartridge assembly (qty 1) X3A79-60003 Reservoir unit (qty 1)

**6-9 — Toner collection unit**
9U1Q5-67001 Toner collection unit (qty 1) 3SJ00-60110 Photo interrupter (Toner collection detection sensor)

**6-11 — Developer**
5PN82-67002 SVC_HP LaserJet Black Developer 5PN82-67002 Black Developer Unit New 5PN82-67002 (New) $265.20 5PN82-67001 Developer powder kit (qty 1) 5PN82-67001 Sub Developer Kit New 5PN82-67001 (New) $216.24

**6-12 — Drum**
W1766-67001 SVC_HP LaserJet Black Managed Drum

**6-13 — CTD**
6ER04-60002 CTD sensor assembly (qty 1)

**6-14 — PTB**
5PN85-67001 Paper Transfer Belt (PTB) 5PN85-67001 Image Transfer Unit New 5PN85-67001 (New) $537.20 5 5QK09-64014 HV rear frame assembly (qty 1)

**6-15 — Fuser**
5PN53-67001 Fuser unit -100V (qty 1) 5PN76-67001 Fuser unit -110V (qty 1) 5PN76-67001 Fuser Assembly - 110V New 5PN76-67001 (New) $850.00 5PN77-67001 Fuser unit -220V (qty 1) 3SJ00-60110 Photo interrupter (Fuser gap

**6-16 — Sensor and fan**
5QJ90-40002 Outer environment sensor 5QK09-40083 Developer fan assembly (qty 1) 5QK09-64013 LSU fan assembly assembly) (qty 1)

**6-17 — PCA**
9S187-60101 Control-panel assembly 10.9 5QK09-60001 High Voltage Power Supply (HVPS) (qty 1) 6CF14-67002 Formatter (qty 1) 3SJ06-60001 Island of Data (IOD) PCA (qty 1) 3SJ04-60002 USB Hub PCA (qty 1) 0950-5111 Solid-state drive 256GB (qty 1) 11 6ER04-40035 Rivet-HDD (qty 1) 12 5851-7753 Cradle-HDD (qty 1) 3SJ02-60002 Riser for SSD (qty 1) 4XN67-67001 SVC-Internal USB Expansion Kit (qty 1) 3SJ02-60001 Riser for HDD, USB ports, Accelerator (qty 1) 6HN30-67001 Accelerator (Optional) (qty 1) 3SJ33-60007 PCA - power key (qty 1) 3SJ33-60007 PCA-PBA KEY SUB New 3SJ33-60007 (New) 3-4 Day Lead $88.40

**6-18 — DCF (1 of 2)**
0 6GW47-67001 DCF (qty 1) 6GW47-67001 Optional Paper Feeder, 1040 Sheets (2 x 520SH) New 6GW47-67001 (New) 3-4 Day Lead $673.20 1 5QK08-40006 DCF right cover (qty 1) 2 5QK08-40007 DCF rear cover (qty 1) 3 5QK08-40008 DCF left cover (qty 1) 4 5QK08-61004 DCF right door (qty 1) 5 5QK08-61007 Tray 4 cassette (qty 1) 6 5QK08-40011 Tray 4 Blue CMF panel (qty 1) 7 5QK08-61005 Tray 5 cassette (qty 1) 8 5QK08-40012 Tray 5 Blue CMF panel (qty 1)

**6-19 — DCF (2 of 2)**
1 5QK08-61007 Tray 4 cassette (qty 1) 2 5QK08-61005 Tray 5 cassette open, paper size sensor) open, paper size sensor) (qty 1) 10 5QK08-61009 Tray 4 pickup assembly (qty 1) 11 5QK08-61010 Tray 5 pickup assembly (qty 1) 12 5PN66-67001 Tray 4, 5 roller kit (qty 1) 5PN66-67001 Feed Roller Kit New 5PN66-67001 (New) $134.64 14 3SJ00-60110 Photo interrupter (DCF paper 15 3SJ00-60110 Photo interrupter (DCF stack harness 18 6GW47-60001 PCA-DCF Department (qty 1) 19 Y1G22-67901 Tray heater 110V (qty 1) 19 Y1G22-67902 Tray heater 220V Parts and (qty 1)

**6-20 — HCI (1 of 2)**
0 6GW57-67001 HCI (qty 1) 1 5QK08-40006 HCI right cover (qty 1) 2 5QK08-40007 HCI rear cover (qty 1) 3 5QK08-40008 HCI left cover (qty 1) 4 5QK08-61023 HCI right door (qty 1) 5 5QK08-61014 HCI cassette (qty 1) 6 5QK08-40016 HCI front Blue CMF panel (qty 1) 6 8GR90-40029 HCI front Gray CMF panel (qty 1) 6 8GR90-40038 HCI front Red CMF panel (qty 1) 6 8GR90-40039 HCI front Green CMF panel (qty 1) 6 8GR90-40040 HCI front Yellow CMF panel (qty 1) 6 8GR90-40041 HCI front Purple CMF panel (qty 1)

**6-21 — HCI (2 of 2)**
1 5QK08-61014 HCI cassette (qty 1) 2 3SJ00-60110 Photo interrupter (HCI knock-up 3 3SJ00-60110 Photo interrupter (HCI shift 4 3SJ00-60110 Photo interrupter (HCI shift 5 3SJ00-60110 Photo interrupter (HCI shift 7 6GW48-60003 Knock-up plate assembly (qty 1) 6GW48-60003 HCF Sub Knock Up New 6GW48-60003 (New) 3-4 Day Lead $107.44 8 3SJ00-60110 Photo interrupter (HCI shift 9 3SJ00-60110 Photo interrupter (HCI shift 11 3SJ00-60110 Photo interrupter (HCI shift sensor) 14 5QK08-61013 HCI pickup assembly (qty 1) 15 5PN66-67001 HCI roller kit (qty 1) 5PN66-67001 Feed Roller Kit New 5PN66-67001 (New) $134.64 18 3SJ00-60110 Photo interrupter (HCI paper 19 3SJ00-60110 Photo interrupter (HCI stack 20 3SJ00-60110 Photo interrupter (HCI tray 26 6GW57-60001 PCA-HCI Department (qty 1) 28 Y1G22-67901 Tray heater 110V (qty 1) 28 Y1G22-67902 Tray heater 220V (qty 1)

**6-22 — Inner finisher (1 of 5)**
1 6GW49-67002 Inner Finisher (qty 1)

**6-23 — Inner finisher (2 of 5)**
1 5QK09-60123 Front cover assy (qty 1) 2 5QK09-60125 Top cover assy (qty 1) 3 5QK09-60124 Middle cover assy (qty 1) 4 8GS05-60114 Punch cover assembly (qty 1) 6 155P7-67001 Hole 2/3 punch (optional) (qty 1) 155P7-67001 InnerFinisher 2/3-Hole Punch New 155P7-67001 (New) 3-4 Day Lead $2446.64 6 155P8-67001 Hole 2/4 punch (optional) (qty 1) 6 155P9-67001 Swedish punch (optional) (qty 1) 8 5QK09-60118 Output tray assy (qty 1) 9 5QK09-40004 PCA cover (qty 1) 10 8GS05-60113 Left cover assy (qty 1) 11 5QK09-40018 Rear cover -base (qty 1) 12 5QK09-40037 Rear cover -punch (qty 1)

**6-24 — Inner finisher (3 of 5)**
3 5QK09-60128 Entrance motor assy (qty 1) 10 3SJ00-60110 Photo interrupter (Output 16 3SJ00-60110 Photo interrupter (Paper holding 17 6GW49-60001 Inner finisher PCA (qty 1)

**6-25 — Inner finisher (4 of 5)**
1 6GW49-60003 Stapler assembly (qty 1) 6GW49-60003 Finisher Sub-Stapler New 6GW49-60003 (New) 3-4 Day Lead $265.20 2 6GW49-40001 Staple cartridge (qty 1) 4 3SJ00-60110 Photo interrupter (Stapler 14 3SJ00-60110 Photo interrupter (Main paddle 17 3SJ00-60110 Photo interrupter (finisher 18 3SJ00-60110 Photo interrupter (punch

**6-26 — Inner finisher (5 of 5)**
1 SS456-61001 Ejector (qty 1) SS456-61001 Ejector Assembly New SS456-61001 (New) 3-4 Day Lead Contact for Details 2 3SJ00-60110 Photo interrupter (Ejector1 5 3SJ00-60110 Photo interrupter (Paper support 10 3SJ00-60110 Photo interrupter (Front tamper 13 3SJ00-60110 Photo interrupter (Rear tamper

**6-27 — Stapler/Stacker finisher (1 of 4)**
0 6GW55-67001 Stapler/Stacker finisher (qty 1) 2 5QK09-60106 Front door (qty 1) 3 8GS05-40018 Caster cover (qty 1) 4 8GS05-60122 Left lower cover (qty 1) 6 8GS05-60118 Left upper cover (qty 1) 8 3SJ00-60110 Front paper holding sensor (qty 1) 9 3SJ00-60110 Rear paper holding sensor (qty 1) 10 3SJ00-60110 Paper holding home sensor (qty 1) 11 5QK09-40027 Top output tray (qty 1) 12 5QK09-40028 Main output tray (qty 1) 13 5QK09-40029 Tray extension (qty 1) 14 5QK09-40021 Rear cover (qty 1) 15 5QK09-40030 Punch cover (qty 1) 16 5QK09-60108 Top cover (qty 1) 17 5QK09-60107 Top door (qty 1) 18 5QK09-60109 Right upper cover (qty 1) 19 5QK09-40019 Front cover (qty 1) 20 5QK09-40020 Front lower cover (qty 1) 21 5QK09-40047 Front lower left cover (qty 1) 22 5QK09-40048 Front lower right cover (qty 1)

**6-28 — Stapler/Stacker finisher (2 of 4)**
9 8GS05-60104 Entrance motor assembly (qty 1) 10 Y1G10-67901 Punch unit 2-3 hole (qty 1) 10 Y1G11-67901 Punch unit 2-4 hole (qty 1) 17 8GS05-60106 Exit motor assembly (qty 1) 21 3SJ00-60110 Main exit cam home sensor (qty 1) 24 3SJ00-60110 Paddle home sensor (qty 1) 43 3SJ00-60110 Main output tray motor sensor (qty 1) 48 6GW55-60001 Main PCA (qty 1) 6GW55-60001 Finisher PBA New 6GW55-60001 (New) 3-4 Day Lead $161.84

**6-29 — Stapler/Stacker finisher (3 of 4)**
1 5QK09-60110 Bridge unit (qty 1) 63C80-60109 Bridge unit with Print Quality 2 3SJ00-60110 Bridge door sensor (qty 1) 4 3SJ00-60110 Bridge exit sensor (qty 1) 5 3SJ19-80501 Bridge motor (qty 1) 16 3SJ00-60110 Top exit sensor (qty 1) 17 8GS05-60106 Exit motor assembly (qty 1)

**6-30 — Stapler/Stacker finisher (4 of 4)**
7 3SJ00-60110 Front tamper home sensor (qty 1) 27 3SJ00-60110 Rear tamper home sensor (qty 1) 31 3SJ00-60110 Staple front sensor (qty 1) 32 3SJ00-60110 Staple mid-front sensor (qty 1) 33 3SJ00-60110 Staple mid-rear sensor (qty 1) 34 3SJ00-60110 Staple rear sensor (qty 1)

**6-31 — Booklet finisher (1 of 5)**
0 6GW51-67001 Booklet finisher (qty 1) 6GW51-67001 Booklet Finisher New 6GW51-67001 (New) $809.20 2 5QK09-60104 Booklet maker unit (qty 1) 5QK09-60104 Booklet Sub Unit - Finisher New 5QK09-60104 (New) $741.20 3 5QK09-60106 Front door (qty 1) 4 8GS05-40018 Caster cover (qty 1) 5 8GS05-60124 Left lower cover (Booklet) (qty 1) 7 8GS05-60118 Left upper cover (qty 1) 9 3SJ00-60110 Front paper holding sensor (qty 1) 10 3SJ00-60110 Rear paper holding sensor (qty 1) 11 3SJ00-60110 Paper holding home sensor (qty 1) 12 5QK09-40027 Top output tray (qty 1) 13 5QK09-40028 Main output tray (qty 1) 14 5QK09-40029 Tray extension (qty 1) 15 5QK09-40021 Rear cover (qty 1) 16 5QK09-40030 Punch cover (qty 1) 17 5QK09-60108 Top cover (qty 1) 18 5QK09-60107 Top door (qty 1) 19 5QK09-60109 Right upper cover (qty 1) 20 5QK09-40019 Front cover (qty 1) 21 5QK09-40020 Front lower cover (qty 1) 22 5QK09-40047 Front lower left cover (qty 1) 23 5QK09-40048 Front lower right cover (qty 1) 27 8GS05-60126 Booklet output tray (qty 1)

**6-32 — Booklet finisher (2 of 5)**
3 3SJ00-60110 Booklet paddle home sensor (qty 1) 6 3SJ00-60110 Booklet end fence home sensor (qty 1) 8 3SJ00-60110 Booklet presser home sensor (qty 1) 10 3SJ00-60110 Booklet tamper home sensor (qty 1) 13 6GW51-40001 Booklet stapler (qty 1) 16 3SJ00-60110 Booklet blade home sensor (qty 1) 21 3SJ00-60110 Booklet c-fold blade home 26 6GW51-60001 Booklet maker PCA (qty 1)

**6-33 — Booklet finisher (3 of 5)**
9 8GS05-60104 Entrance motor assembly (qty 1) 10 Y1G10-67901 Punch unit 2-3 hole (qty 1) 10 Y1G11-67901 Punch unit 2-4 hole (qty 1) 10 Y1G12-67901 Punch unit Swedish hole (qty 1) 17 8GS05-60106 Exit motor assembly (qty 1) 21 3SJ00-60110 Main exit cam home sensor (qty 1) 24 3SJ00-60110 Paddle home sensor (qty 1) 43 3SJ00-60110 Main output tray motor sensor (qty 1) 48 6GW55-60001 Main PCA (qty 1) 6GW55-60001 Finisher PBA New 6GW55-60001 (New) 3-4 Day Lead $161.84

**6-34 — Booklet finisher (4 of 5)**
1 5QK09-60110 Bridge unit (qty 1) 2 3SJ00-60110 Bridge door sensor (qty 1) 4 3SJ00-60110 Bridge exit sensor (qty 1) 5 3SJ19-80501 Bridge motor (qty 1) 16 3SJ00-60110 Top exit sensor (qty 1) 17 8GS05-60106 Exit motor assembly (qty 1)

**6-35 — Booklet finisher (5 of 5)**
7 3SJ00-60110 Front tamper home sensor (qty 1) 27 3SJ00-60110 Rear tamper home sensor (qty 1) 31 3SJ00-60110 Staple front sensor (qty 1) 32 3SJ00-60110 Staple mid-front sensor (qty 1) 33 3SJ00-60110 Staple mid-rear sensor (qty 1) 34 3SJ00-60110 Staple rear sensor (qty 1)