MODEL:LQ-2550 PART LIST AS AT 22/9/94

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

Y456991260 LQ2550 USERS GUIDE

Y456999010 LQ2550 TECHNICAL

4000782 ESC/P REFERENCE MANUAL

F418000000 LQ2550 PRINTHEAD

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CASE BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

101 F344551000 LOWER CASE ASSEMBLY 1 C

102 F344551030 RUBBER FOOT 4 C

103 F344552000 UPPER CASE ASSEMBLY 1 C

104 F344553000 PRINTER COVER A 1 C

105 F344554000 PRINTER COVER C 1 C

106 F344555000 SHEET GUIDE ASSEMBLY 1 C

109 F344559020 LOGO PLATE 02 LQ-2550 1 C

111 F344557010 BASE PLATE 1 C

112 F344557020 GROUND PLATE 4 C

113 F344557030 FAN ADAPTOR 1 C

114 F344557040 BATTERY CASE 1 C

116 F344557060 CARTRIDGE COVER 1 C

117 F344557070 DIP SWITCH COVER 1 C

118 F344557080 PRINTER COVER B 1 C

119 F344557090 PRINTER COVER (LEFT) 1 C

120 F344557100 PRINTER COVER (RIGHT) 1 C

121 F344557110 PAPER GUIDE 1 C

122 F344557120 PLATEN PAPER GUIDE 1 C

123 F344557130 PAPER FEED KNOB 1 C

124 F344557140 LATCH A 2 C

125 F344557150 LATCH B 2 C

126 F340551040 FAN NET 1 C

127 F330553060 SHIELD PLATE 1 C

128 B310204511 C.B.B. SCREW M3X12 9 C

129 B310206311 C.B.B.SCREW M4X10 10 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CASE BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

130 B310206411 C.B.B. SCREW M4X12 7 C

131 B302404211 C.P.S.(O) SCREW M3X6 10 C

132 B302404311 C.P.S.(O) SCREW M3X8 3 C

133 B040450112 C.P.(O) SCREW M3X8 2 C

134 B045800112 C.B.O.SCREW M4X8 1 C

135 B010304411 C.B.SCREW M4X6 5 C

137 B310204311 C.B.B. SCREW M3X8 1 C

138 B310206419 C.B.B. SCREW M4X12 2 C

150 Y456501000 ROPNL-W PANEL UNIT 1 C

303 Y456503000 FAN U 1 C

304 Y454504000 LITHIUM BATTERY 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

200 Y456201200 ROMA BOARD UNIT MM TYPE BOARD 1 EX.P-ROM A

200 Y456201000 ROMA BOARD UNIT INCH TYPE BOARD 1 EX.P-ROM A

11A Y456800104 P-ROM(MR1-W1) 27256-2 1 B

11B X400054610 LSI LSI FOR P.I.F 1 B

12A Y456800002 MASK ROM 20PG202/M20A02EA 1 B

13A X400641832 MICROPROCESSER, 1 B

14A Y454800003 GATE ARRAY 1 B

2A Y453800004 LSI MN51003XEC 1 B

3B,4B Y454800001 GATE ARRAY 2 B

7B X400078101 MICRO PROCESSOR, 8 BIT 1 B

9A X400062566 S-RAM, 1 B

BZ1 X503000140 BUZZER 1 C

B1 Y558201004 BEADS CORE 1 C

CM1 X223241020 BLOCK CAPACITOR 1000UF X4 50V+80-20 1 C

CM2 X223261020 BLOCK CAPACITOR 1000PF DC50V +80-20% 1 C

CN1 X600183693 CONNECTOR 2*18P DIP TYPE 1 C

CN12 X601110509 CONNECTOR 5P 1 C

CN13 X601110309 CONNECTOR 3P 2.54MM 1 C

CN14 X601110219 CONNECTOR 2P 2.54MM 1 C

CN15 X601110209 CONNECTOR 2P 2.54MM 1 C

CN16 X601110909 CONNECTOR 9P 1 C

CN17 X601110609 CONNECTOR 6P 2.54MM 1 C

CN18 X601110619 CONNECTOR 6P 2.54MM 1 C

CN19 X601110409 CONNECTOR 4P 2.54MM 1 C

CN2 X600652629 CONNECTOR 26P 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

CN20 X601110419 CONNECTOR 4P 1 C

CN21 X601110319 CONNECTOR 3P 1 C

CN22 X601111209 CONNECTOR 12P 2.54MM 1 C

CN3 X600432680 CONNECTOR 25PIN 1 FOR MM TYPE B/D C

CN3 X600432586 CONNECTOR 25PIN 1 FOR INCH TYPE B/D C

CN4,5 X601193260 CONNECTOR 32PIN 2 C

CN7 X600310210 CONNECTOR 2P 1 C

CN8 X600811820 CONNECTOR 18P 1 C

CN9-CN11 X601421869 CONNECTOR 18P 3 C

CR1,2 X504008309 CERAMIC OSCILLATOR 12.288MHZ 2 C

C10,16 X220221020 CERAMIC CAPACITOR 1000PF DC50V 10% 2 C

C12,18,19 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C13 X230092224 FILM CAPACITOR 2200PF DC50V 5% 1 C

C15,20,23 X220221010 CERAMIC CAPACITOR 100PF DC50V 10% 3 C

C2 X200560109 ALUMINIUM ELECTROLYTIC CAPACITOR 1.0UF DC50V 20% 1 C

C21,32,35 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C22,27,51 X220224710 CERAMIC CAPACITOR 470PF DC50V 10% 3 C

C24,41,49, X220221010 CERAMIC CAPACITOR 100PF DC50V 10% 3 C

C25,69 X220223310 CERAMIC CAPACITOR 330PF DC50V 10% 2 C

C29 X224221031 CERAMIC CAPACITOR 0.01UF DC50V +80-20% 1 C

C3,7-9,11 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 5 C

C30,31,58 X221223303 CERAMIC CAPACITOR 33PF DC50V 5% 3 C

C33,34,57 X224221041 CERAMIC CAPACITOR 0.1UF DC50V +80-20% 3 C

C36,38-40 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 4 C

C4,37 X200161019 ALUMINIUM ELECTROLYTIC CAPACITOR 100UF DC10V 20% 2 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

C42-47,50 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 7 C

C48 X200562209 ALUMINIUM ELECTROLYTIC CAPACITOR 22UF DC50V 20% 1 C

C5,6 X200561009 ALUMINIUM ELECTROLYTIC CAPACITOR 10UF DC50V 20% 2 C

C52,55,56 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C53,54 X220225610 CERAMIC CAPACITOR 560PF DC50V 10% 2 C

C59 X221223303 CERAMIC CAPACITOR 33PF DC50V 5% 1 C

C60,62,65 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C61 X220221010 CERAMIC CAPACITOR 100PF DC50V 10% 1 C

C63,64 X200164719 ALUMINIUM ELECTROLYTIC CAPACITOR 470UF DC10V 20% 2 C

C66,68,70 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C67 X224124731 CERAMIC CAPACITOR 0.047UF 25V +80-20 1 C

D1,2,6-14 X320010939 DIODE DC35V 100MA 11 C

D17 X320011489 DIODE 10V 15MA 150MW 1 C

D18 X320010939 DIODE DC35V 100MA 1 C

D20-23 X320011529 DIODE 200V 1.0A 4 C

D3,15,16 X320010560 DIODE 40V 1000MA 3 C

D4,5,20-25 X320011529 DIODE 200V 1.0A 8 C

FL1-FL5 X223204718 CAPACITOR 470PF 50V 20% 5 C

J1-J5 X600630320 JUMPER PIN 3 PIN 5 C

Q1 X300102009 TRANSISTOR PNP 50V 2000MA 900MW 1 B

Q15,16 X302400700 TRANSISTOR 80V 4A 40W 2 B

Q2,4,6,19 X302181589 TRANSISTOR NPN 50V 150MA 400MW 4 B

Q20 X300101509 TRANSISTOR PNP 50V 150MA 400MW 1 B

Q3,17,18 X303184309 TRANSISTOR NPN 60V 1A 10W 3 B

Q5,10 X303152100 TRANSISTOR NPN DC50V 1.5A 10W 2 B

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

Q7,8,11-14 X303197809 TRANSISTOR 120V 1.5A 0.9W 6 C

Q9 X301109309 TRANSISTOR PNP 80V 1.5A 1W 1 B

RM1 X113043329 RESISTOR ARRAY 3.3K OHMX4 1/8W 5% 1 C

RM2 X113081139 RESISTOR ARRAY 11K OHMX8 1/8W 5% 1 C

RM3 X113041139 RESISTOR ARRAY 11K OHMX4 1/8W 5% 1 C

RM4 X113081039 RESISTOR ARRAY 10K OHMX8 1/8W 5% 1 C

RM5 X113091039 RESISTOR ARRAY 10K OHMX9 1/8W 5% 1 C

R1 X154416812 CARBON FILM RESISTOR 680 OHM 1/4W 5% 1 C

R100,102 X154414722 CARBON FILM RESISTOR 4.7K OHM 1/4W 5% 2 C

R103,127 X154414722 CARBON FILM RESISTOR 4.7K OHM 1/4W 5% 2 C

R104,105 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 2 C

R106,107 X154416222 CARBON FILM RESISTOR 6.2K OHM 1/4W 5% 2 C

R108-111 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 4 C

R112 X154411132 CARBON FILM RESISTOR 11K OHM 1/4W 5% 1 C

R113,114 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 2 C

R115,120 X154411042 CARBON FILM RESISTOR 100K OHM 1/4W 5% 2 C

R116 X154412022 CARBON FILM RESISTOR 2K OHM 1/4W 5% 1 C

R118 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 1 C

R12,17,21 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 3 C

R121 X150421032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 1 C

R122 X154412012 CARBON FILM RESISTOR 200 OHM 1/4W 5% 1 C

R123 X154411832 CARBON FILM RESISTOR 18K OHM 1/4W 5% 1 C

R125,130 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 2 C

R126 X154416802 CARBON FILM RESISTOR 68 OHM 1/4W 5% 1 C

R13,15 X143197681 HIGH STABILIZED METAL FILM RESISTOR 7.68K OHM 1/4W 1% 2 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

R131,132 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 2 C

R14,16 X143191501 HIGH STABILIZED METAL FILM RESISTOR 1.50K OHM 1/4W 1% 2 C

R18,26,27 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 3 C

R2 X154414312 CARBON FILM RESISTOR 430 OHM 1/4W 5% 1 C

R20,76,77 X154411012 CARBON FILM RESISTOR 100 OHM 1/4W 5% 3 C

R22 X154413932 CARBON FILM RESISTOR 39K OHM 1/4W 5% 1 C

R24,41,67 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 3 C

R25 X143192402 HIGH STABILIZED METAL RESISTOR 24K OHM 1/4W 1% 1 C

R28 X154411632 CARBON FILM RESISTOR 16K OHM 1/4W 5% 1 C

R29,30,40 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 3 C

R3,7,11,23 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 4 C

R31,33,35 X150421022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 3 C

R32,34 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 2 C

R36-39 X154415112 CARBON FILM RESISTOR 510 OHM 1/4W 5% 4 C

R4,5,8-10 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 5 C

R42,44,58 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 3 C

R43 X150422752 CARBON FILM RESISTOR 2.7M OHM 1/4W 5% 1 C

R45-51,53 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 7 C

R52,54 X150421022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 2 C

R55 X143192671 HIGH STBAILIZED METAL FILM RESISTOR 2.67K OHM 1/4 1% 1 C

R56 X143191580 HIGH STABILIZED METAL FILM RESISTOR 158OHM 1/4W 1% 1 C

R57 X143197870 HIGH STABILIZED METAL FILM RESISTOR 787 OHM 1/4W 1% 1 C

R59 X143193301 HIGH STABILIZED METAL FILM RESISTOR 3.30K OHM 1/4W 1% 1 C

R6,19 X154412012 CARBON FILM RESISTOR 200 OHM 1/4W 5% 2 C

R60,61,66 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 3 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

R62,122 X154413912 CARBON FILM RESISTOR 390 OHM 1/4W 5% 2 C

R63-65,84 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 4 C

R68-70,74 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 4 C

R71 X132101817 METAL OXIED FILM RESISTOR 180 OHM 1W 5% 1 C

R72 X145192701 HIGH STABILIZED METAL FILM RESISTOR 2.70K OHM 1/4W 0.5% 1 C

R73 X145193001 HIGH STABILIZED METAL FILM RESISTOR 3.00K OHM 1/4W 0.5% 1 C

R75,81-83 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 4 C

R78,101 X154413322 CARBON FILM RESISTOR 3.3K OHM 1/4W 5% 2 C

R79 X145192001 HIGH STABILIZED METAL FILM RESISTOR 2K OHM 1/4W 0.5% 1 C

R80 X145191602 HIGH STABILIZED METAL FILM RESISTOR 16K OHM 1/4W 0.5% 1 C

R85,119 X154411032 CARBON FILM RESISTOR 10K OHM 1/4W 5% 2 C

R86,89,90 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 3 C

R87 X154414712 CARBON FILM RESISTOR 470 OHM 1/4W 5% 1 C

R88,93 X132200608 METAL OXIED FILM RESISTOR 0.56 OHM 2W 5% 2 C

R91 X154411012 CARBON FILM RESISTOR 100 OHM 1/4W 5% 1 C

R92,96,117 X154411022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 3 C

R94,95 X132100107 METAL OXIED FILM RESISTOR 1 OHM 1W 5% 2 C

R97 X154415612 CARBON FILM RESISTOR 560 OHM 1/4W 5% 1 C

R98,99 X132105607 METAL OXIED FILM RESISTOR 56 OHM 1W 5% 2 C

VR1,2 X180102010 VARIABLE RESISTOR 10K OHM 0.5W 20% 2 C

ZD1 X330130519 ZENER DIODE 4.03-4.26V 250MA-370MW 1 C

ZD2,3 X330132539 ZENER DIODE 30.2-31.8V 250MA 370MW 2 C

ZD4 X330030360 ZENER DIODE 38.99-40.99V 5A 1 C

ZD5 X330180109 ZENER DIODE 35.0-37.85V 150OMA 400M 1 C

ZD6 X330130219 ZENER DIODE 3.12-3.28V 250MA 370MW 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CONTROL CIRCUIT BOARD BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

1A X440660820 HIC 1 C

10A X400432572 S-RAM UPD43257C-15L,, 32K 8BIT 150NS 1 B

11A,7A X630112840 IC SOCKET 28 PIN 2 C

12A,12B X630113230 IC SOCKET 32 PIN 5 C

14C X420301750 TTL-IC QUAD D FLIP-FLOP 1 B

2C X440041600 HIC 1 C

3A X440751890 TTL-IC QUAD LINE RECEIVER 1 B

4A X440751880 TTL-IC QUAD LINE DRIVER 1 B

5A X420301230 TTL-IC DUAL RETRG. MST. MVIB. 1 B

5B,6B X420300050 TTL-IC HEX INVERTER 2 B

6A X420300000 TTL-IC QUAD 2-INPUT NAND 1 B

7C X440767304 HIC 1 C

7D X440759810 IC PULSE MOTOR DRIVER 1 B

8A X462737300 C-MOS IC OCTAL D-TYPE LATCH 3-ST 1 B

9B X420303651 TTL-IC HEX 3-STATE BUFFER 1 B

9C X440034313 IC ADJ.PRECISION SHUNT REG 1 B

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PS BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

300 Y456203000 ROPSE BOARD UNIT 220V/240V 1 A

CN1 X600620300 CONNECTOR 3 PIN 1 C

CN2 X601111200 CONNECTOR 12P 1 C

C1 X238105010 FILM CAPACITOR 1UF 250V 1 C

C10 X206654710 ALUMINIUM ELECTROYTIC CAPACITOR 470UF 400V 20% 1 C

C11 X221604725 CERAMIC CAPACITOR 4700PF 1KV 10% 1 C

C12 X205213319 ELECTROLYTIC CAPACITOR 330UF 16V 20% 1 C

C13,14,33 X221604715 CERAMIC CAPACITOR 470PF 1KV 10% 3 C

C15,16,23 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 3 C

C17,18 X205112220 ALUMINIUM ELECTROLYTIC CAPACITOR 2200UF DC10V 2 C

C19 X205111020 ALUMINIUM ELECTROLYTIC CAPACITOR 1000UF DC10V 1 C

C2,5 X230411046 PLASTIC FILM CAPACITOR 0.1UF AC250V 20% 2 C

C20 X205112219 ELECTROLYTIC CAPACITOR 220UF 10V 20% 1 C

C21,22 X205314710 ALUMINIUM ELECTORLYTIC CAPACITOR 470UF DC25V 2 C

C24 X220222220 CERAMIC CAPACITOR 2200PF DC50V 10% 1 C

C25 X205214709 ELECTROLYTIC CAPACITOR 47UP 16V 20% 1 C

C26 X220221010 CERAMIC CAPACITOR 100PF DC50V 10% 1 C

C27 X230091024 FILM CAPACITOR 1000PF DC50V 5% 1 C

C28 X224161041 CERAMIC CAPACITOR 0.1UF DC25V +80% -20% 1 C

C29 X220221020 CERAMIC CAPACITOR 1000PF DC50V 10% 1 C

C3,4,6,7 X221802220 CERAMIC CAPACITOR 2200PF 125V 20% 4 C

C30-32 X205512220 ALMINIUM ELECTROLYTIC CAPACITOR 2200UF 50V 3 C

C34,35 X221602215 CERAMIC CAPACITOR 2200PF 1KV 10% 2 C

C8 X236563000 FILM CAPACITOR 0.056UF 50V 1 C

C9 X205111009 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PS BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

DB1 X340350060 DIODE BRIDGE 1 C

DB1 X510180280 INSULATION SPACER 1 C

DB1,Q1,4 Y903001001 TRANSISTOR HOLDER 903-1050 3 C

D1,3 X320010319 DIODE 30V 150MA 250MW 2 C

D10 X340200320 DIODE BRIDGE 1 C

D10 X510180210 ENSULATION SPACER 1 C

D2 X320011440 DIODE 40V 0.6A 1 C

D4,5 X320011459 DIODE 500V 0.8A 2 C

D6,8,9 X320011699 DIODE 100V 1A 3 C

D7 X340410010 DIODE BRIDGE DC40V 8A 1 C

D7 X510180190 INSULATION SPACER 1 C

F1 X502063060 FUSE 4A 250V 1 B

F1 X502200010 FUSE COVER 840620 1 C

IC1 X440072920 IC (JRC) DUAL COMPARATOR 1 B

IC2 X440035940 IC (TI) DUAL COMPARATOR 1 B

L1 Y450205002 CHOKE COIL 1 C

L2 Y456203002 COIL 2MH 5A 1 C

L3 Y450203004 COIL 10UH 3A 1 C

L4 X507030290 COIL 1 C

PC1 X350040191 PHOTO COUPLER 1 C

Q1 X302345600 TRANSISTOR 800V 1.5V 1 C

Q1,TY1 X510180180 INSULATION SPACER 2 C

Q2,3 X302265509 TRANSISTOR NPN 50V 2000MA 900MW 2 B

Q4 X309087200 FET 1 B

Q4 X510180320 INSULATION SPACER 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PS BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

Q5 X440164319 IC SHUNT REG 1 C

Q6 X300101509 TRANSISTOR PNP 50V 150MA 400MW 1 B

R1 X153212202 CARBON FILM RESISTOR 22 OHM 1/2W 5% 1 C

R10 X130321316 METAL OXIDE FILM RESISTOR 130 OHM 3W 5% 1 C

R11 X172000130 METAL OXIDE FILM FUSE RESISTOR 10 OHM 5W 135% 1 C

R12 X160321002 CEMEMN RESISTOR 10 OHM 5W 5% 1 C

R13 X170221010 FUSE RESISTOR 100 OHM 2W 5% 1 C

R14 X170122000 METAL OXIDE FILM FUSE RESISTOR 20 OHM 1W 5% 1 C

R15 X150444312 CARBON FILM RESISTOR 430 OHM 1/4W 5% 1 C

R16,18 X141411012 HIGH STABILIZED METAL FILM RESISTOR 1K OHM 1/4W 1% 2 C

R17 X153211522 CARBON FILM RESISTOR 1.5K OHM 1/2W 5% 1 C

R19,33,42 X150441022 CARBON FILM RESISTOR 1K OHM 1/4W 5% 3 C

R2,7 X150442702 CARBON FILM RESISTOR 270 OHM 1/4W 5% 2 C

R20,24 X130212716 METAL OXIED FILM RESISTOR 270 OHM 2W 5% 2 C

R21,25 X170030200 FUSE RESISTOR 2.0 OHM 1/2 5% 2 C

R22 X160220011 CEMENT RESISTOR 0.1 OHM 3W 5% 1 C

R23 X130111016 METAL OXIDE FILM RESISTOR 100 OHM 1W 5% 1 C

R26 X150442712 CARBON FILM RESISTOR 270 OHM 1/4W 5% 1 C

R27,38 X150443922 CARBON FILM RESISTOR 3.9K OHM 1/4W 5% 2 C

R28,39 X150441042 CARBON FILM RESISTOR 100K OHM 1/4W 5% 2 C

R29 X141492151 HIGH STABILIZED METAL FILM RESISTOR 215 OHM 1/4W 1% 1 C

R3 X160320062 CEMEMN RESISTOR 0.62 OHM 5W 5% 1 C

R30 X143491542 HIGH STABILIZED METAL FILM RESISTOR 15.4K OHM 1/4W 1% 1 C

R31 X150442012 CARBON FILM RESISTOR 200 OHM 1/4W 5% 1 C

R32 X143495621 CARBON FILM RESISTOR 5.6K OHM 1/4W 1% 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PS BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

R34 X150442042 CARBON FILM RESISTOR 200K OHM 1/4W 5% 1 C

R35 X150442022 CARBON FILM RESISTOR 2K OHM 1/4W 5% 1 C

R36 X143492101 HIGH STABILIZED METAL FILM RESISTOR 2.1K OHM 1/4W 1% 1 C

R37 X143499761 HIGH STABILIZWD METAL FILM RESISTOR 9.76K OHM 1/4W 1% 1 C

R4 X150441052 CARBON FILM RESISTOR 1M OHM 1/4W 5% 1 C

R40 X143492001 HIGH STABILIZED METAL FILM RESISTOR 2K OHM 1/4W 1% 1 C

R41 X143491212 HIGH STABILIZED METAL FILM RESISTOR 1.21K OHM 1/4W 1% 1 C

R43 X143491690 HIGH STABILIZED METAL FILM RESISTOR 169 OHM 1/4W 1% 1 C

R44 X143491132 HIGH STABILIZED METAL FILM RESISTOR 11.3K OHM 1/4W 1% 1 C

R45,46 X130211516 METAL OXIDE FILM RESISTOR 150 OHM 2W 5% 2 C

R47-49 X122220226 METAL OXIDE FILM RESISTOR 0.22 OHM 2W 1% 3 C

R5 X130218206 METAL OXIDE FILM RESISTOR 82 OHM 2W 5% 1 C

R50 X150213340 CARBON FILM RESISTOR 330K OHM 1/2W 5% 1 C

R6 X150445112 CARBON FILM RESISTOR 510 OHM 1/4W 5% 1 C

R8 X130211046 METAL OXIDE FILM RESISTOR 100K OHM 2W +-5% 1 C

R9 X130313306 METAL OXIDE FILM RESISTOR 33 OHM 3W 5% 1 C

TY1 X350030060 TRIAC 400V 10A 1 B

TY1,D7,13 Y903001001 TRANSISTOR HOLDER 903-1050 3 C

T1 Y456203005 POWER TRANSFORMER PT-P62E 1 B

T2 Y456203006 POWER TRANSFORMER PT-P55E 1 B

T3 Y456203004 POWER TRANSFORMER PT-P53E 1 B

ZD1 X330000325 ZENER DIODE 2.2-2.6V 250MA 250MW 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: CABLE BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

313 Y901305000 POWER CABLE 240V 1 C

401 Y456301000 CABLE SET #8BY 1 C

402 Y456302000 CABLE SET #8BZ 1 C

403 Y456305000 CABLE SET #8C2 1 C

404 Y456303000 CABLE SET #8CO 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PRINTER MECHANISM BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

500 Y456590000 PRINTER MECHANISM(M-5560) 1 A

501 F344001000 FRAME(LEFT) 1 C

502 F344002000 FRAME(RIGHT) 1 C

503 F344002050 RELEASE TRIGGER PLATE 1 C

504 F344002070 RELEASE TRIGGER PLATE SPRING 1 C

505 B150300411 RETAINING RING TYPE-E(2) 1 C

506 F344201000 CARRIAGE MOTOR ASSEMBLY 1 B

507 F344202000 BELT DRIVEN PULLEY ASSEMBLY 1 C

508 F344204000 CARRIAGE 1 C

509 F344205000 HEAD CABLE (FRONT) 1 C

510 F344206000 HEAD CABLE(REAR) 1 C

511 F344207000 COLOR SELECT CABLE 1 C

512 F344208000 RIBBON DRIVE ASSEMBLY 1 C

513 F344210000 CARTRIDGE BASE ASSEMBLY 1 C

514 F344211000 PAPER WIDTH SENSOR 1 C

515 F344212000 RIBBON MASK ASSEMBLY 1 C

516 F344213000 PLATEN GAP GEAR ASSEMBLY 1 C

517 F344214000 PLATEN GAP MOTOR 1 B

518 F344215000 PLATEN GAP HOME POSITION SENSOR ASSEMBLY 1 B

519 F344216000 PAPER THICKNESS SENSOR ASSEMBLY 1 C

521 F344252000 PAPER GUIDE ASSEMBLY 1 C

522 F344253000 PAPER END SENSOR 1 B

523 F344254000 PAPER FEED MOTOR 1 B

524 F344255000 PAPER FEED ROLLER ASSEMBLY 1 C

525 F344256000 PAPER HOLDING ROLLER ASSEMBLY 1 A

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PRINTER MECHANISM BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

526 F344258000 PAPER TENSION ASSEMBLY 1 A

527 F344260000 PUSH TRACTOR UNIT 391-S410 1 A

528 F344260010 TRACTOR FRAME 2 C

529 F344260020 TRACTOR WHEEL 1 C

530 F344260030 TRACTOR SHAFT 1 C

531 F344260040 TRACTOR GUIDE SHAFT 1 C

532 F344260050 TRACTOR UNIT COVER 1 C

533 F344260060 TRACTOR ASSEMBLY (LEFT) 1 C

534 F344260070 TRACTOR ASSEMBLY (RIGHT) 1 C

535 F334005230 PLATEN SHAFT HOLDER 2 C

536 F330259060 PAPER SUPPORT 1 C

537 B150300911 RETAINING RING TYPE-E(6) 2 C

538 B150300811 RETAINING RING TYPE-E(5) 2 C

539 B100166012 PLAIN WASHER 8X0.5X15 1 C

540 B101253390 LEAF SPRING 8.2X0.15X15 1 C

541 B080450111 HEXAGON NUT WITH OW M4 2 C

542 B300104211 C.P.S. SCREW M3X6 2 C

550 F344261000 PAPER RELEASE PLANETARY LEVER 1 C

551 F344262000 PAPER LOADING TRIGGER ASSEMBLY 1 C

552 F344263000 PAPER RELEASE SOLENOID ASSEMBLY 1 C

553 F344264000 LOADING GEAR ASSEMBLY 1 C

554 F344003010 BASE FRAME (FRONT) 1 C

555 F344003020 BASE FRAME (REAR) 1 C

556 F344003030 CARRIAGE GUIDE SHAFT A 1 C

557 F344003040 CARRIAGE GUIDE SHAFT B 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PRINTER MECHANISM BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

558 F344003050 SIDE FRAME SUPPORT 1 C

559 F344003060 HEAD ADJUSTMENT LEVER 1 C

560 F344003070 CABLE HOLDER A 1 C

561 F344003080 CABLE HOLDER B 1 C

562 F344003090 HOME POSITION SENSOR CABLE 1 C

563 F344003100 WIRE CLAMP 2 C

564 F344003110 PLATEN GAP REDUCTION GEAR 1 C

565 F344003120 OIL PAD 1 C

566 F344003130 CARTRIDGE BASE COVER 1 C

567 F344003140 TIMING BELT FIXING PLATE 1 C

568 F344003150 RIBBON DRIVE WIRE 1 C

569 F344003160 RIBBON DRIVE WIRE SPRING 1 C

570 F344003170 TIMING BELT 1 C

571 F344003180 BELT DRIVEN PULLEY MOUNTING PLATE 1 C

572 F344003190 PAPER GUIDE PLATE 1 C

573 F344003200 PLATEN 1 C

574 F344003210 SHAFT HOLDER 2 C

575 F344003220 PLATEN GEAR 1 C

576 F344003230 PAPER FEED REDUCTION GEAR 1 C

577 F344003240 TRACTOR TRANSMISSION GEAR 1 C

578 F344003250 TRACTOR TRANSMISSION GEAR SPRING 1 C

579 F344003260 PAPER FEED SPRING 4 C

580 F344003270 PAPER RELEASE LEVER 1 C

581 F344003280 PAPER RELEASE SUPPORT LEVER 1 C

582 F344003290 RELEASE SUN GEAR 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PRINTER MECHANISM BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

583 F344003300 PAPER LOADING LEVER 1 C

584 F344003310 LOADING LEVER SHAFT 1 C

585 F344003320 LOADING GEAR A 1 C

586 F344003340 PAPER HOLDING SPRING 2 C

587 F344003350 PAPER EJECTING GEAR 1 C

588 F315062020 PAPER GUIDE PLATE SPRING 168-410 3 C

589 B101254690 LEAF SPRING 10.5X0.25X18.5 1 C

590 B100168690 PLAIN WASHER 10.3X0.5X18.7 1 C

591 F331005060 HOME POSITION SENSOR 1 B

592 F343006030 DAMPER (REAR) 5 C

593 B040302511 CUP SCREW M3X6 2 C

594 B300104311 C.P.S.SCREW M3X8 22 C

595 B302404311 C.P.S.(O) SCREW M3X8 1 C

596 B302104311 C.P.S.(O)SCREW M3X8 3 C

597 B041050511 C.P.(P).SCREW M3X6 1 C

598 B010302211 C.B.SCREW M2.5X5 3 C

599 B010101611 C.P.SCREW M2X8 2 C

600 B150301111 RETAINING RING TYPE-E(8) 1 C

601 B150300611 RETAINING RING TYPE-E(3) 2 C

602 B130103516 SPRING PIN 2X20 2 C

603 B080450111 HEXAGON NUT WITH OW M4 4 C

604 B101253990 LEAF SPRING 1 C

605 B303406411 C.B.S(O)SCREW M4X12 1 C

606 F344255010 PAPER FEED ROLLER SHAFT 1 C

607 F344262020 LOADING PLANETARY GEAR 1 C

MODEL:LQ-2550 PART LIST AS AT 22/9/94

BLOCK: PRINTER MECHANISM BLOCK

REF.NO. PART NO. DESCRIPTION STANDARD Q'TY REMARKS RANK

608 F344256010 PAPER HOLDING LEVER (LEFT) 1 C

609 F344003370 LOADING GEAR SPRING 1 C

610 B300204211 C.B.S. SCREW M3X6 2 C

620 F344203010 HEAD CABLE HOLDER 1 C

621 F462100000 HEAD FAN MOTOR 1 C

622 B300104211 C.P.S. SCREW M3X6 3 C

623 B010304512 C.B.SCREW M4X8 1 C

624 F344203020 CABLE PROTECTOR 1 C

630 F344902000 COLOR SELECT UNIT 1 A