Citizen CL-E720DT, Technical Manual

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Chapter 3 Disassembly and Maintenance
3-6. Disassembly, Reassembly and Lubrication
CL-E720DT
3-16
3-6-6. Unit Mechanism
1. Remove the “Cover PF Motor”. Refer to “ 3-6-2 Cover PF Motor ”.
2. Remove the “Unit Opepane”. Refer to “3-6-3(1) Unit Opepane ”.
3. Remove the “Case” and “Cover Steel L”. Refer to “ 3-6-4 Case ”.
4. Remove all connectors from the “SA Main PCB”. Refer to “ 3-6-5(1) “SA Main PCB”
Connectors ”.
5. Remove the 2 screws (BH M3.0x4 (NI)) and detach the “Frame Relay PCB”.
6. Remove the 3 screws (BH M3.0x6 (NI)) and detach the “Unit Mechanism” by lifting it upwardly.
Notes on reassembling:
• Media-path left-edge alignment:
Mount the “Unit Mechanism” so that the media guide end of the
“Cover Head Wire” is aligned with the mark on the “Label Mark” and
the “Plate Holder Paper L”.
* Since the mounting holes of the “Unit Mechanism” are of elongated
ones, the “Unit Mechanism” can move right and left.
• When mounting the “Frame Relay PCB”, fit its 2 holes to the bosses
of the main body, referring to the magnified view. At this time, be sure
that the part “
A ” of the “Frame Relay PCB” is correctly placed on the
foot of the “Unit Mechanism”.
Cover Head Wire
Unit Mechanism
Align.
[FRONT]
Plate Holder
Paper L
Label Mark
BH M3.0x4 (NI)
BH M3.0x6 (NI)
A
Unit Mechanism
Frame Relay PCB
Holes for boss