Sharp MX-M623U / MX-M753U (serv.man7) Service Manual ▷ View online
MX-M753N AR-PN4 6 – 1
MX-M753N
Service Manual
[6] AR-PN4
1. Unpacking
A. Removal of the interface punch unit
B. Removal of the fixing member
1)
Remove the fixing member
C. Check the packed items
1)
Check that all the items are included in the package.
NOTE: Be sure to use the punch label bundled with the finisher.,
and never use the punch label bundled with the punch unit.
2. Installation
<Note before installation>
* Before starting installation, check to insure that the data lamp on
* Before starting installation, check to insure that the data lamp on
the operation panel is not on or blinking.
A. Turn off the power of the main unit
1)
Turn OFF the power switch on the operation panel.
2)
Open the front cabinet.
Turn OFF the power switch in the front cabinet of the main unit.
Turn OFF the power switch in the front cabinet of the main unit.
Punch position label
2 pcs.
OFF
MX-M753N AR-PN4 6 – 2
3)
Disconnect the power plug of the main unit from the power out-
let.
let.
B. Punch cover disassembly
1)
Open the front upper door of the finisher.
Remove the punch cover fixing screws (6 pcs.), and lift the
punch cover slightly to remove it from the finisher.
Remove the punch cover fixing screws (6 pcs.), and lift the
punch cover slightly to remove it from the finisher.
2)
Remove the two fixing screws of the dummy punch cover, and
remove the dummy punch cover and the metal plate.
Attach the removed metal plate again with the two fixing
screws.
remove the dummy punch cover and the metal plate.
Attach the removed metal plate again with the two fixing
screws.
3)
Remove the cabinet B fixing screws (2 pcs.) on the rear side of
the finisher, and remove the rear cabinet B.
the finisher, and remove the rear cabinet B.
C. Paper guide disassembly
1)
Remove the paper guide fixing screw (1 pc.) and remove the
paper guide from the finisher.
paper guide from the finisher.
D. Punch unit assembly
1)
Hang the punch unit on the step screws (2 pcs.) of the finisher
and assemble it.
and assemble it.
2)
Fix the punch unit with the paper guide fixing screw (1 pc.)
which was removed in step C..
which was removed in step C..
MX-M753N AR-PN4 6 – 3
E. Connector connection
1)
Connect the punch joint harness connectors (2 pcs.) of the
punch unit to the connectors (2 positions) of the finisher PWB.
punch unit to the connectors (2 positions) of the finisher PWB.
F. Punch cover assembly
1)
Attach the rear cabinet B to the original position, and fit it with
the fixing screws (2 pcs.).
the fixing screws (2 pcs.).
2)
Attach the punch cover and fix it with six fixing screws.
Close the front door of the finisher.
Close the front door of the finisher.
G. Position label attachment
1)
Attach the punch position label bundled with the finisher to the
position shown in the figure.
position shown in the figure.
H. Finisher connector connection
1)
Remove the connector cover fixing screw for connection of the
finisher joint harness connector, and remove the connector
cover.
finisher joint harness connector, and remove the connector
cover.
2)
Connect the finisher joint harness connector to the main unit
connector, and tighten the screw on the connector to fix.
connector, and tighten the screw on the connector to fix.
MX-M753N AR-PN4 6 – 4
I. Turn on the power of the main unit
1)
Insert the power plug of the main unit into the power outlet.
2)
Open the front cabinet.
Turn ON the power switch in the front cabinet of the main unit.
Turn ON the power switch in the front cabinet of the main unit.
3)
Turn ON the power switch on the operation panel.
ON
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