
LASER PRINTER
PARTS REFERENCE LIST
HL-1660e

NOTE FOR USING THIS PARTS REFERENCE LIST
1. In the case of ordering parts, it needs mentioning the following items:
(1) Code
(2) Q'ty
(3) Description
(4) Symbol ( PCB No., Revision , and Parts location mounted on the PCB.)
Note : No orders without Parts Code or Tool No. can be accepted.
< Example >
(1)
REF.NO. CODE Q’TY DESCRIPTION SYMBOL REMARK
Revision No.: marked on the printed circuit board.
(2)
(3)
(4)
B48K056 - 201A
Design change indication
Specification No .
Pattern alteration No.
Circuit board No.
2. Design-changed parts :
If the parts are changed, any one of the following symbols is indicated in the REMARKS
column.
#A : compatible between old and new
#B : replaceable from old to new
#D : incompatible
# : newly established
3. The original of this list was made based on the information available in November, 1997.
4. Parts are subject to change in design without prior notice.

CONTENTS
1. POWER CORDS & HARNESSES........................................................1
2. PAPER FEEDER PCB..........................................................................1
3. CONTROL PANEL................................................................................3
4. PCB ATTACHMENTS...........................................................................3
5. MAIN PCB.............................................................................................5
6. HIGH-VOLTAGE POWER SUPPLY.....................................................7
7. LOW-VOLTAGE POWER SUPPLY......................................................7
8. COVERS...............................................................................................9
9. CHASSIS..............................................................................................9
10.TRANSFER.........................................................................................11
11.PAPER TRAY.....................................................................................11
12.PAPER FEEDER.................................................................................13
13.SCANNER...........................................................................................15
14.FIXING UNIT, 120V/230V...................................................................15
15.DOCUMENTS.....................................................................................17
16.PACKING MATERIALS.......................................................................19
17.OPTIONAL PARTS SET.....................................................................19
18.ADJUSTING TOOL KIT.......................................................................21

1A
1 . POWER CORDS & HARNESSES
1B
1C
1D
1E
1F
1G
1H
1I
5
6
4
2
3
MODEL HL-1660e
54T-U03-050/070
2 . PAPER FEEDER PCB
2
1
P4
(MP SOL)
R16
PH5
95
96
JW25
12P3 (CASOL)
JW26
P2
5
5
P1
JW24
JW23
R14
R15
JW19
Q2Q1Q3
JW22
B48K139-2
1
1
B48K140-2
SW1
SW2
SW3
SW4
JW20
JW18
R13
R12
JW17
JW21
96
95
19
20
JW14
P5 (ENGINE)
JW13
JW12
1
2
C3
C4
C5
C6
17
18
C2
R2
R9
JW15
JW27
PH4
R3
R10
R11
R4
R5
R6
R7
R8
JW16
1
2
JW2
JW11
RH1
JW3
JW4
6
P1 (FEED MOTOR)
JW7
JW6
JW5
JW1
1
JW9
JW8
RH2
PH3
JW10
R1
#1
C1
+
1
2
3
MODEL HL-1660e 54T-U03-090

1. POWER CORDS & HARNESSES
REF.NO. CODE Q'TY DESCRIPTION REMARK
1A UH1052001 1AC CORD, VDE
1B UH1053001 1AC CORD, SEV
1C UH1055001 1AC CORD, SAA
1D UH1054001 1AC CORD, BS
1E UH1051001 1AC CORD, UL/CSA
1F U34320001 1AC CORD #4, BS WO/PLUG
1G UK4094001 1AC CORD #5, DEMKO
1H U34322001 1AC CORD #6, ISRAEL
1I U34342001 1AC CORD #8, BS/SINGAPORE
2 UK2502001 1HV HARNESS 16P
3 UK2505000 1FEED FLAT CABLE 20P
4 UK2506001 1LV HARNESS 8P
5 UK2507001 1FUSER HARNESS 4P
6 UK2508001 1DC MOTOR HARNESS 4P
MODEL HL-1660e 54T-U03-050/070
T/I NO. PR98046
2. PAPER FEEDER PCB
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1 UK2701001 1P FEED/SIZE-SW PCB ASSY (SP) B48K139/140-
200B/200B
2 UH2410000 1SIZE SWITCH SPRING
3 087320616 2TAPTITE, CUP S M3X6
MODEL HL-1660e 54T-U03-090

3 . CONTROL PANEL
1
1-2
2
CONTINUE
SET
RESET TEST
SHIFT
COPY
MODEL HL-1660e54T-U03-150
COPY PAGES
ORIENTATION
FORM FEED
FONT
ON LINE
SEL MODE
EMULATION
READY
DUPLEX
DATA
ALARM
FEEDER
FEEDER
ECONOMY
3
4PCB ATTACHMENTS
4
10
2
3
6
9
8
7
1
T/I NO. PR98309
5
MODEL HL-1660e
54T-U03-450

3. CONTROL PANEL
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1-2 UK3024001 1CONTROL PANEL UNIT (SP) (B48K143-200B)
1 UK2500000 1SWITCH FLAT CABLE 21P
2 UH2011001 1PANEL STOPPER, GRAY1227
3 UH1451001 1PANEL SHEET, HL-1660e
MODEL HL-1660e 54T-U03-150
4. PCB ATTACHMENTS
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2121001 1REMOTE SWITCH
2 UH2122000 1PS SWITCH WIRE
3 UH2124001 1DC FAN MOTOR
4 083313515 2TAPTITE, PAN B M3X35
5 UH2144001 1HOLDER SPACER
6 UK2826001 1CORE:RI-12-15-8.5
7 UK3213000 1CORE:FPC-16-12
8 UK3214000 1CORE:ZCAT1518
9 UK3215000 1CABLE CLAMP
10 UH2123001 1SWITCH ATTACHMENT
T/I NO. PR98309
MODEL HL-1660e 54T-U03-450

5 . MAIN PCB
4
4
1-2
6
1
4
2
3
5
4
4
MODEL HL-1660e
54T-U03-103

5. MAIN PCB
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1-2 UK3799001 1MAIN PCB ASSY (SP), HL1660e B48K294-100E
1 UK4280000 1MROM23C32000-01 #26
2 UK4281000 1MROM23C32000-02 #14
3 UK3785001 1MIO CONNECTOR PCB ASSY B48K295-100
4 087320616 7TAPTITE, CUP S M3X6
5 087320616 1TAPTITE, CUP S M3X6
6 UK2466000 1EPROM:27C8000DZ(BLANK EPROM)(SP)(#1)
T/I NO. PR98017 / PR98055 / PR98278
MODEL HL-1660e 54T-U03-103

6 . HIGH-VOLTAGE POWER SUPPLY
2
1
MODEL HL-1660e 54T-U03-200
7 . LOW-VOLTAGE POWER SUPPLY
3
2
1
3
3
3
3
1-2
MODEL HL-1660e
54T-U03-300

6. HIGH-VOLTAGE POWER SUPPLY
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1 UK2702001 1HIGH-VOLTAGE PS PCB ASSY (SP) B48K186-300E
2 087320616 2TAPTITE, CUP S M3X6
MODEL HL-1660e 54T-U03-200
7. LOW-VOLTAGE POWER SUPPLY
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1-2 UK2753001 1LOW-VOLT PS PCB ASSY, 115VM(SP)
1-2 UK2754001 1LOW-VOLT PS PCB ASSY, 230VM(SP)
1 UK2756001 1
1 UK2759001 1
2 UK2757001 1
2 UK2760001 1
GLASS FUSE, 10A-125VM (PS PCB 115VM) (SP) F1
GLASS FUSE, 6A-250VM (PS PCB 230VM) (SP) F1
GLASS FUSE, 5A-125VM (PS PCB 115VM) (SP) F2
GLASS FUSE, 3A-250VM (PS PCB 230VM) (SP) F2
3 UH2036001 6TAPTITE, PAN S M3X8
T/I NO. PR98205
MODEL HL-1660e 54T-U03-300

12
8 . COVERS
9
7
12
10
1
6
2
8
7-8
9
11
4
3
5
MODEL HL-1660e
9 . CHASSIS
54T-U03-400
20
22
21
15
14
15
16
12
13
9
11
10
6
15
8
4
2
3
7
17
18
1
4
19
15
4
5
54T-U03-500
MODEL HL-1660e

8. COVERS
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2065001 1UPPER COVER ASSY, GRAY1227
2 UH2071001 1TONER CARTRIDGE LID, GRAY1227
3 UH2072001 1FONT COVER ASSY, GRAY1227
4 UH2076001 1CLEANER BRUSH
5 UH2077001 1SIDE COVER L, GRAY1227
6 UH2027001 1SIDE COVER R2 ASSY, GRAY1227
7-8 UH2082001 1REAR COVER ASSY, GRAY1227
7-8 UH2104001 1REAR COVER ASSY, GRAY 1227(TMT-17)
7 UH2085001 1CHANGEOVER GUIDE, GRAY1227
8 UH2103001 1JAM REMOVE COVER, GRAY1227
9 087320616 2TAPTITE, CUP S M3X6
10 087320616 1TAPTITE, CUP S M3X6
11 087320616 1TAPTITE, CUP S M3X6
12 087321016 2TAPTITE, CUP S M3X10
MODEL HL-1660e 54T-U03-400
T/I NO. PR98175
9. CHASSIS
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2229001 1CARTRIDGE STOPPER ASSY
2 UH2233001 1DC GEAR HOLDER ASSY
3 UH2814001 1DC MOTOR ASSY 2 (SP)
4 087320616 3TAPTITE, CUP S M3X6
5 UH2238000 1GEAR 39
6 UH2239000 1GEAR 20/50
7 UH2240000 1GEAR 24/72
8 UH2241000 1GEAR 22/55
9 UH2242000 1GEAR 48
10 UH2243000 1GEAR 21
11 UH2244000 1GEAR 28
12 UH2245001 1GEAR 48 SPRING
13 026100136 1WASHER, PLAIN S 10
14 UH2255001 1PAPER DELIVERY GEAR ASSY
15 U74234001 4TAPTITE, CUP M4X5
16 UH2250001 1PAPER DELIVERY HOLDER SPRING
17 UH2252000 1SPACER 2
18 UH2254000 2SPACER 1
19 T31242001 2PCB SPACER F
20 UH2263001 1SCANNER FAN MOTOR
21 083313015 2TAPTITE, PAN B M3X30
22 087320616 1TAPTITE, CUP S M3X6
MODEL HL-1660e 54T-U03-500

10 . TRANSFER
2
3
1
1-10
10
MODEL HL-1660e
11 . PAPER TRAY
54T-U03-600
9
5
1
3
2
4
7
6
8
8
MODEL HL-1660e
54T-U03-650/651

10. TRANSFER
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2787001 1TRANSFER BASE ASSY (SP)
2 UH1834001 1TRANFER ROLLER A ASSY (SP)
3 087321016 1TAPTITE, CUP S M3X10
MODEL HL-1660e 54T-U03-600
T/I NO. PR98174
11. PAPER TRAY
REF.NO. CODE Q'TY DESCRIPTION REMARK
1-10 UH2806001 1PAPER TRAY UNIT SO, USA (SP) GRAY1227
1-10 UH2799001 1PAPER TRAY UNIT S, EUR (SP) GRAY1227
1-10 UH2802001 1PAPER TRAY UNIT S, CAN (SP) GRAY1227
1 UH2487001 1SEPARATION PAD ASSY T
2 UH2841001 1SEPARATION PAD SPRING 200
3 UH2360000 1ROLLER
4 UH2459000 1ROLLER HOLDER
5 UH2469000 1PAPER FRONT GUIDE, BLUE6155
6 UH2463001 1GEAR 56T LINK
7 UH2465001 1SIZE DRUM
8 085310815 3TAPTITE, BIND B M3X8
9 UH2472001 1TRAY GUIDE PLATE 1
10 UH2804001 1ADJUST KNOB STOPPER
MODEL HL-1660e 54T-U03-650/651

24
12 . PAPER FEEDER
10
1
6
15
22
11
14
13
8
13
11
3
23
5
18
4
12
25
20
26
36
2
19
17
31
7
37
32
13
12
11
33
21
27
1-35
T/I No. PR98202
34
11
16
28
9
35
29
MODEL HL-1660e
30
54T-U03-630

12. PAPER FEEDER
REF.NO. CODE Q'TY DESCRIPTION REMARK
1-35 UH2824001 1PAPER FEED CHASSIS UNIT 2 (SP)
(WITH PCB/SW SPRING/SCREW)
1 UH2357001 1PAPER FEED MOTOR ASSY
2 087320616 2TAPTITE, CUP S M3X6
3 UH2359000 1MP PAPER DETECTION ACTUATOR
4 085310815 2TAPTITE, BIND B M3X8
5 UH2362001 1PAPER PICK-UP ROLLER ASSY
6 UH2364001 2PAPER PICK-UP ROLLER COLLAR
7 UH2366000 2BEARING
8 085320616 2TAPTITE, BIND S M3X6
9 UH2416001 1PAPER FEED ROLLER ASSY 60
10 UH2367001 2PAPER FEED ROLLER ASSY 70
11 UL0633000 6WASHER, PLAIN
12 UH2366000 3BEARING
13 085320616 3TAPTITE, BIND S M3X6
14 UH2369001 2PAPER PICK-UP SOLENOID
15 085320416 2TAPTITE, BIND S M3X4
16 UH2428000 1BEARING CALLOR
17 UH2379000 1TRAY SENSOR HOLDER
18 UH2380000 1PE SENSOR ACTUATOR TRAY
19 UH2381000 1PE ACTUATOR LINK
20 UH2382000 1DU DETECTION ACTUATOR
21 UH2383000 1PE SENSOR ACTUATOR MP
22 UH2384000 1REGIST SENSOR ACTUATOR
23 UH2136001 1LATCH
24 UH2797000 1MP PAPER FEED GUIDE ASSY (SP)
25 UH2393001 1SEPARATION PAD ASSY
26 UH2433001 1SEPARATION PAD SPRING MP
27 UH2397001 1MP TRAY ASSY
28 UH2400000 1MP PE SUB ACTUATOR
29 UH2406000 1MP TRAY COVER
30 UH2407000 1MP EXTENSION TRAY
31 UH2823001 1SPACER
32 UH2401000 1MP PAPER GUIDE
33 UH2402000 1MP RELEASE PLATE
34 UH2403000 1MP RELEASE SUPPORTER
35 UH2404000 1MP SPRING
36 UH2821001 1PAPER PICK-UP ROLLER ASSY 3
37 UH2822001 2PAPER PICK-UP ROLLER COLLAR 30
T/I NO. PR98202
MODEL HL-1660e 54T-U03-630

13 . SCANNER
3
1
3
4
2
MODEL HL-1660e
54T-U03-700
14 . FIXING UNIT, 120V/230V
94
E
PH1
A
C
K
R2
B48K142-2
1
R1
P2
4
1
P1
2
5
10
7
1-6
9
2
8
7
1
9
4
6
3
2
8
T/I NO. PR98054, PR98061
MODEL HL-1660e
54T-U03-770/771

13. SCANNER
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2815001 1SCANNER UNIT ASSY C (SP)
2 UK2503000 1SCN FLAT CABLE 6P
3 087321616 4TAPTITE, CUP S M3X16
4 UK3254001 1POLYGON HARNESS 5P
MODEL HL-1660e 54T-U03-700
14. FIXING UNIT, 120V/230V
REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK
1-6 UH2816001 1FIXING UNIT, 120V C (SP)
1-6 UH2817001 1FIXING UNIT, 230V C (SP)
1 UH2793001 1HEAT ROLLER (SP)
2 UH2608001 2RETAINING RING, 25
3 UK2451001 1FIXING PCB ASSY B48K142-200
4 085310815 1TAPTITE, BIND B M3X8
5 UH2623001 1PAPER DELIVERY ACTUATOR
6 UH2794001 1HALOGEN HEATER, 120V (SP)
6 UH2795001 1HALOGEN HEATER, 230V (SP)
7 087421015 2TAPTITE, CUP S M4X10
8 UH2645001 2HEATER SUPPORT SPRING S
9 UH2646001 2HEATER PRESS SPRING
10 UH2628001 1THERMISTOR ASSY PT7
MODEL HL-1660e 54T-U03-770/771
T/I NO. PR98054, PR98061

15 . DOCUMENTS
1
3
2
6
7
4
8
5
T/I NO. PR98209 / PR98263 / PR98280 / PR98310
MODEL HL-1660e
54T-U03-920

15. DOCUMENTS
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UK3811001 1
PR DRIVER DISK #1, HL-1660e(FIRST PART 1/2)
1 UK4335001 1PR DRIVER DISK #3, HL-1660e SPA (1/2)
2 UK3813001 1
PR DRIVER DISK #2, HL-1660e (LATTER PART 2/2)
2 UK4337001 1PR DRIVER DISK #4, HL-1660e SPA (2/2)
3 UK4329001 1CD-ROM ASSY (HL-1070/1660E/2060) VER. C
4 UH1413001 1USER'S MANUAL, ENG (HL-1660e)
4 UH1414001 1USER'S MANUAL, GER (HL-1660e)
4 UH1415001 1USER'S MANUAL, FRA (HL-1660e)
4 UH1416001 1USER'S MANUAL, DUTCH (HL-1660e)
4 UH1417001 1USER'S MANUAL, NOR (HL-1660e)
4 UH1418001 1USER'S MANUAL, ITA (HL-1660e)
4 UH2754001 1USER'S MANUAL, SPA (HL-1660e)
5 UE0331001 1BAG, 215X350H (USER'S MANUAL)
6 UH1437001 1USB INSERTION SHEET
7 UH1425001 1SIMM INSERTION SHEET, ENG (HL1660e)
7 UH1426001 1SIMM INSERTION SHEET, GER (HL1660e)
7 UH1427001 1SIMM INSERTION SHEET, FRA (HL1660e)
7 UH1428001 1SIMM INSERTION SHEET, DUTCH (HL1660e)
7 UH1429001 1SIMM INSERTION SHEET, NOR (HL1660e)
7 UH1430001 1SIMM INSERTION SHEET, ITA (HL1660e)
8 UK3741001 1CORE ESD-SR-25 ASSY (For USB)
MODEL HL-1660e 54T-U03-920
T/I NO. PR98072 / PR98203 / PR98204 / PR98209 / PR98263 / PR98269 / PR98274 / PR98279 / PR98280 /
PR98293 / PR98310 / PR98316

16 . PACKING MATERIALS
11
13
2
1
15
17
5
12
10
4
8
14
9
6
7
3
2
16
MODEL HL-1660e
17 . OPTIONAL PARTS SET
54T-U03-930
6
2
3
5
7
2
4
1
3
MODEL HL-1660e
54T-U03-940

16. PACKING MATERIALS
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UE0367000 1CARTON, C-NO BRAND
1 UE0637001 1CARTON, C-USA H
1 UE0638001 1CARTON, C-EUR H
2 UE0370000 1STYROFOAM PAD ASSY
3 UE0373000 1PAD
4 UE0374000 1CARTON, TNR CARTRIDGE (W/EP-ED)
4 UE0476000 1CARTON, TNR CARTRIDGE (WO/EP-ED)
5 UE0376000 1STYROFOAM PAD (PLATE HOLDER)
6 UH2735001 1RELEASE SPACER R
7 UH2736001 1RELEASE SPACER L
8 UE0396000 1PAD (CONTROL PANEL)
9 UE0477000 1BAG, 900X800 (BODY)
9 U63969000 1BAG, 900X800 BS W/HOLE (BODY)
10 U62092001 1CAUTION LABEL 24, US
10 163528001 1CAUTION LABEL, BS
11 U04510001 1IMPORTER LABEL, CAN
12 X60267002 1RECYCLE LABEL, DEU/FRA
13 UH1440001 1BAR CODE LABEL, 525110 UPC USA
13 UH1441001 1BAR CODE LABEL, 526371 EAN EUR
13 UH1442001 1BAR CODE LABEL, 525127 UPC USA (GENERIC)
14 UE0405000 1PAD (LETTER SIZE TRAY)
14 UE0406000 1PAD (A4 SIZE TRAY)
15 UE0425001 1POSITION FIXING SPONGE
16 UH2741001 1INSERTION SHEET
17 UH3373001 1NO RTN FORM, USA
17 UH3295001 1RNT FORM, CAN
MODEL HL-1660e 54T-U03-930
17. OPTIONAL PARTS SET
REF.NO. CODE Q'TY DESCRIPTION REMARK
1 UH2499001 1ROLLER HOLDER SO ASSY (SP)
2 UH2498001 2TRAY PUSH SPRING ELT (SP)
3 UH2477000 2TRAY PUSH SPRING FILM ELT (SP)
4 UH2820001 1PAPER PICK-UP ROLLER UNIT 2 (SP)
5 UH1778000 1SEPARATION PAD SPRING DX (SP)
6 UH1772001 1SEPARATION PAD DX ASSY (SP)
7 UH2823001 1SPACER
MODEL HL-1660e 54T-U03-940
T/I NO. PR98065

18 . ADJUSTING TOOL KIT
911011,12
13,14 29 31
44
96
46 78-A 87
164
43-D,N,O
T/I NO. PR98047
MODEL HL-1660e
54T-U03-99A

18. ADJUSTING TOOL KIT
TOOL NO. TOOL NAME REMARK
ZX-1 PLIERS (150MM)
ZX-9 SCREWDRIVER (75MM)
ZX-10 SCREWDRIVER (70MM)
ZX-11 SCREWDRIVER (4.7X270MM)
ZX-12 SCREWDRIVER, (6.2X200MM)
ZX-13 SCREWDRIVER, PHILLIPS (NO-1)
ZX-14 SCREWDRIVER, PHILLIPS (NO-2)
ZX-29 HOOK FOR SPRING
ZX-31 TWEEZERS (150MM)
ZX-43D LUBRICATING GREASE(SILICON G,KS64F 0.1KG)
ZX-43N LUBRICATING GREASE(MOLYKOTE EM-30L TKC-0) 1KG
ZX-43O LUBRICATING GREASE(MOLYKOTE D110) 1KG
ZX-44 OILER
ZX-46 TESTER (MD-200C)
ZX-78A BAR TENSION GAUGE (0.1-5KG)
ZX-87 THICKNESS GAUGE (0.28-0.38MM)
ZX-96 IC PULL OUT (P42)
ZX-164 PF UNIT SETTING JIG
T/I NO. PR98047
MODEL HL-1660e 54T-U03-99A