Citizen iDP-3110 User manual

Service Manual
DOT MATRIX PRINTER
MODEL iDP3110
Rev. 1.00 Newly issued on Oct, 1994

iDP3110ServiceManual
CITIZEN
REVISION
Rev.No. Date Comment
Rev.1.00 Oct 1994 Newly issued

iDP3110ServiceManual
CITIZEN
Contents
1. How to remove the Upper Cover........................................................................................................................ 1
2. How to remove the Printer Mechanism............................................................................................................. 1
3. How to remove the Control Board..................................................................................................................... 2
4. How to remove the Paper Holder....................................................................................................................... 2
5. How to remove the Operation Panel.................................................................................................................. 3
6. How to remove the Paper Hook.......................................................................................................................... 3
7. Parts List .............................................................................................................................................................. 4
8. Exploded View ..................................................................................................................................................... 8
9. OP PCB Parts Position........................................................................................................................................ 9
10. OP PCB Unit Schematic Diagram.................................................................................................................. 10
11. Control Board Parts Position...........................................................................................................................11
12. Control Board Circuit Diagram..................................................................................................................... 13

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1. How to remove the Upper Cover
(1) Unfasten 2 screws M3×8 on the Bottom Cover.
(2) Lift the Upper Cover in the arrow direction removal.
(3) Unfasten 2 screw, The Printer Mechanism mounting screw, Then remove the Shield Plate from the Printer
Mechanism.
(4) Disconnect the 2 Connectors from the Control Board.
2. How to remove the Printer Mechanism
(1) Remove the Upper Cover.
(2) Unfasten 4 screws M2.6×8andM2×6 as shown below.
(3) Lift the Printer Mechanism in the arrow direction.

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3. How to remove the Control Board
(1) Remove the Upper Cover.
(2) Unfasten 2 screws M3×8 as shown below.
(3) Shift the Control Board in the arrow direction .
(4) Shift the Control Board in the arrow direction . and remove the Power Switch from the Bottom Cover.
Then lift in the arrow direction .
Remove the shield Plate together with the Control Board.
4. How to remove the Paper Holder
(1) Remove the Printer Cover.
(2) Unfasten a screw as shown below.

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5. How to remove the Operation Panel
(1) Remove the upper Cover.
(2) Unfasten 2 screws M2.6×6 as shown below.
6. How to remove the Paper Hook
(1) Remove the Printer Cover.
(2) Release a Lock Hook as shown below and lift the Paper Hook to the upside.
(3) When you set this Lock Hook, set the side of Hook to the Upper Cover. and according to the guide, inset the
Lock Hook until this is locked completely.

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7. Parts List
PARTSLISTiDP3110RF/PF
EXPLODED VIEW
Ref. No. Parts No. Description Q'ty Remarks
1 E 62010490 Top Case 1
2 E 5200-150 OP Sheet 1
5 MD910 Printer MD910-SS <1> 24 Col.
MD911 Printer MD911-IL <1> 40 Col.
7 E 4000-850 OP PCB Assy 1
10 E 6611-400 Paper Holder-L 1
11 E 6611-405 Paper Holder-R 1
15 E 62020020 Bottom Case 1
16 E 6302-290 Rubber Foot 4
18 E 4019-160 Shield Sheet 1
20 E 70010310 PCB Assy iDP-3110-24RF <1> 230V ONLY
E 70010320 PCB Assy iDP-3110-40RF <1> 230V ONLY
21 E 70010330 PCB Assy iDP-3110-24PF <1> 115V/230V
E 70010340 PCB Assy iDP-3110-40PF <1> 115V/230V
20 E 70010350 PCB Assy iDP-3110-24RF <1> USA only
E 70010360 PCB Assy iDP-3110-40RF <1> USA only
24 E 6204-940 Printer Cover 1
25 E 6204-950 Printer Cover-H <1>
34 76G23760 Screw M2×6 2
35 76G22839 Screw M2.6×8 3
36 76G22796 Screw M3×8 3
37 76G40207 Screw M3×10 2
38 76G42133 Screw M2.6×8 / PW 1
39 76G22270 Screw M3×8 2
40 E 4900-080 Harness 25-0263 1

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PARTSLISTiDP3110RF/PF
CONTROL BOARD
Ref. No. Parts No. Description -RF -PF
IC 1 E 104-390 IC CBM909PC-2DU(24 Col.) <1> <1>
E 104-400 IC CBM909PC-4DU(40 Col.) <1> <1>
2 E 2010100 IC TC74HC00P 1 1
3 E 2010130 IC TC74HC04P 1 1
4 E 2010070 IC TC74HC14P 1 1
5 E 2010040 IC MAX232CPE 1
E 202-811 IC TC7407 1
6 E 2010321 IC TC74HC74P 1
E 201-930 IC TC74HC373P 1
7 E 202-860 IC PST520E 1
E 2010321 IC TC74HC74P 1
8 E 202-860 IC PST520E 1
TA 1, 2 E 390-220 Tr. Array LB1235 2 2
TR 1 E 319-117 Transistor 2SA1175HF 1 1
2, 12 E 379-060 Transistor 2SD1802ST 2
2, 10 E 379-060 Transistor 2SD1802ST 2
3, 5 E 359-090 Transistor 2SC2785SR 7
7-11
3, 5 E 359-090 Transistor 2SC2785SR 5
7-9
4 E 327-070 Transistor 2SB1202ST 1 1
6 E 379-070 Transistor 2SD1817 1 1
12 E 359-100 Transistor 2SC4685 1
14 E 359-100 Transistor 2SC4685 1
D 1,2 E 400-220 Diode 1S1554 2 2
3 E 400-270 Diode 1S1588 1 1
4 E 400-041 Diode 1S2076 1 1
ZD 1 E 413-033 Zener Diode RD13EB2 1 1
2, 3 E 405-130 Zener Diode RD5.6EB2 2 2
OSC 1 E 501-280 OSC CSA4.19MG 1 1
R 1-3 E 3473-041 Resistor 1 / 4W 47KΩ8
13-15
17, 20
R 1-3 E 3473-041 Resistor 1 / 4W 47KΩ8
13-15
17, 18

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PARTSLISTiDP3110RF/PF
CONTROL BOARD
Ref. No. Parts No. Description -RF -PF
R 4, 22 E 3103-041 Resistor 1 / 4W 10KΩ4
24, 25
R 4, 16, 21 E 3103-041 Resistor 1 / 4W 10KΩ5
23, 24
R 5,6,9 E 3471-041 Resistor 1 / 4W 470Ω5
27, 30
R 5,6,9 E 3471-041 Resistor 1 / 4W 470Ω5
26, 30
R 7,8,16 E 3222-041 Resistor 1 / 4W 2.2KΩ4
19
R 7, 8 E 3222-041 Resistor 1 / 4W 2.2KΩ2
R10,18,21 E 3331-041 Resistor 1 / 4W 330Ω3
R 10, 19 E 3331-041 Resistor 1 / 4W 330Ω3
20
R 11 E 3332-041 Resistor 1 / 4W 3.3KΩ1
R 11, 27 E 3102-041 Resistor 1 / 4W 1KΩ2
R 12, 28 E 3102-041 Resistor 1 / 4W 1KΩ2
R 12 E 3332-041 Resistor 1 / 4W 3.3KΩ1
R 22 E 3472-041 Resistor 1 / 4W 4.7KΩ1
R 23 E 3472-041 Resistor 1 / 4W 4.7KΩ1
R 25 E 3152-041 Resistor 1 / 4W 1.5KΩ1
R 26 E 3152-041 Resistor 1 / 4W 1.5KΩ1
C 1 E 2010-080 El. Cap. 50MR-1 1 1
C 2, 3, 5 E 2110-040 C. Cap. F26Y5R1H102M0 5
7, 21
C 2, 3, 5 E 2110-040 C. Cap. F26Y5R1H102M0 6
7, 8, 19
C 4 E 2147-160 C. Cap. F26SL1H471K0 1 1
C 6 E 2110-060 C. Cap. F26Y5V1H103Z0 1 1
C 8, 9 E 2130-010 C. Cap. F26SL1H300K0 2
C 9, 10 E 2130-010 C. Cap. F26SL1H300K0 2
C 10 E 2010-615 El. Cap. 25MR-10 1
C 11, 12 E 2022-625 El. Cap. 25MR-22 2
C 11 E 2010-615 El. Cap. 25MR-10 1
C 12, 13 E 2022-625 El. Cap. 25MR-22 2
C 13, 14 E 2010-615 El. Cap. 25MR-10 2
C 14, 15 E 2010-615 El. Cap. 25MR-10 2
C 15, 16 E 2047-525 El. Cap. 25JS-4.7 2
C 16, 18 E 2110-460 C. Cap. F26Y5V1B104Z0 3
C 17, 18 E 2010-605 El. Cap 25JS-10 2

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PARTSLISTiDP3110RF/PF
CONTROL BOARD
Ref. No. Parts No. Description -RF -PF
C 19, 20 E 2110-460 C. Cap. F26Y5V1H104Z0 2
RA 1 E 3473-180 Re. Array M9-1-473J 1 1
RA 2, 3 E 3681-060 Re. Array M8-3-681J 2 2
RA 4 E 3332-200 Re. Array M5-1-332J 1
RA 4, 5 E 3332-200 Re. Array M5-1-332J 2
DS 1 E 5103-390 Dip Switch KSD-04 1 1
CN 1 E 48000490 Connector MOJ-D14 1 1
CN 2 E 4800-925 Connector 5267-17AX 1 1
CN 3 E 48000470 Conn. 17LE-13250-27 (D3AD) 1
(for Eur. Meter)
E 48000455 Conn. 17LE-13250-27 (D3CD) 1
(for USA. Meter)
E 48000460 Connector 57LE-40360-730B 1
CN 4 E 4800-825 Connector 5267-06A 1 1
F 1 E 4005-590 Fuse 5ST2A 1 1
E 4006-220 Fuse Holder UF-0033#01 2 2
SW 1 E 5105-330 Slide Switch SN20202-1218 1 1
E 4010-410 Heat Sink 50-0079 1 1
76G42141 Screw M3×8B 1 1
PARTSLISTiDP3110RF/PF
OPERATION PANEL
Ref. No. Parts No. Description Q'ty Remarks
LED 1, 2 E 480-290 LED SEL2310E 2
SW 1, 2 E 5102-430 SWITCH SKHHAN 2
E 4900-070 Harness 25-0255 1