Citizen CBM-910 Series User manual

Rev. Issued
Japan CBM Corporation
Information Systems Div.
Service Manual
Model : CBM-910

CBM-910 Service Manual
CITIZEN 2
Contents
1. How to remove the Upper Cover............................................................................................................................3
2. How to remove the Printer Mechanism..................................................................................................................3
3. How to remove the Control Board .........................................................................................................................4
4. How to remove the Paper Holder...........................................................................................................................4
5. How to remove the Operation Panel.......................................................................................................................5
6. How to remove the Paper Hook .............................................................................................................................5
7. Parts List : Exploded View CBM-910....................................................................................................................6
8. Exploded View : CBM-910....................................................................................................................................7
9. OP Panel Parts Position : CBM-910-PF/RF...........................................................................................................9
10. OP Assy Schematic Diagram : CBM-910-PF/RF...............................................................................................10
11. Parts List : Control Board Assy CBM-910-RF...................................................................................................11
12. Parts Position : CBM-910-RF.............................................................................................................................14
13. Parts List : Control Board Assy CBM-910-PF...................................................................................................15
14. Parts Position : CBM-910-PF.............................................................................................................................18
15. Schematic Diagram CBM-910-RF.....................................................................................................................19
16. Schematic Diagram CBM-910-PF......................................................................................................................20

CBM-910 Service Manual
CITIZEN 3
1. How to remove the Upper Cover
(1) Unfasten 2 screws M3x8 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 M2.6x8 and M2x6 as shown below.
(3) Lift the Printer Mechanism in the arrow direction.

CBM-910 Service Manual
CITIZEN 4
3. How to remove the Control Board
(1) Remove the Upper Cover.
(2) Unfasten 2 screws M3x8 as shown below.
(3) Shift the Control Board in the arrow direction (1).
(4) Shift the Control Board in the arrow direction (2). and remove the Power Switch from the Bottom Cover.
Then lift in the arrow direction (3).
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.

CBM-910 Service Manual
CITIZEN 5
5. How to remove the Operation Panel
(1) Remove the upper Cover.
(2) Unfasten 2 screws M2.6x6 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.

CBM-910 Service Manual
CITIZEN 6
7. Parts List : Exploded View CBM-910
PARTS LIST CBM910-PF / -RF
EXPLODED VIEW
Ref. No. Parts No. Description Q'ty
1E 62010670 Top Case 1
2E 5200-220 OP Sheet 1
3MD910 Printer MD910 <1>
MD911 Printer MD911 <1>
4E 4000-850 OP assy 1
6E 4000-990 PE assy 1
11 E 6611-405 Paper Hook 1
15 E 62020140 Bottom Case 1
16 E 6302-290 Foot 2
18 E 4035-720 Scheild Plate 1
19 E 4035-730 Ground Sheet 1
20 E 70010700 PCB assy CBM910-PF <1>
E 70010710 PCB assy CBM910-RF <1>
E 70010711 PCB assy CBM910-RF-UL <1>
24 E 62040170 Printer Cover 1
25 E 62040180 Printer Cover -H <1>
34 76G23760 Screw M2x6 1
35 76G22839 Screw M2.6x8 2
37 76G40207 Screw M3x10 2

CBM-910 Service Manual
CITIZEN 7
8. Exploded View : CBM-910

CBM-910 Service Manual
CITIZEN 8
PARTS LIST CBM-910-PF / -RF
OP ASSY
Ref. No. Parts No. Description Q'ty
LED 1, 2 E 480-290 LED SEL2310E 2
SW 1, 2 E 5102-430 SWITCH SKHHAN 2

CBM-910 Service Manual
CITIZEN 9
9. OP Panel Parts Position : CBM-910-PF/RF

CBM-910 Service Manual
CITIZEN 10
10. OP Assy Schematic Diagram : CBM-910-PF/RF