Disassemblyprocedure - Sharp ER-04RP Service Manual

ER+4RP
3-3. SW3 (DS3)
4. Disassembly procedure
The dip switch is used to set the SRN terminal address.
In the normal operation mode (SW1-7 OFF), the switch is scanned
4-1. Removal of upper cover and bottom cover
immediately after the master reset has done, and is set in the SRN
controller. Master reset must therefore be done when the address
1)
setting is changed.
In the diagnostic mode, the address is set each time, immediately
before the execution of the SRN basic test.
2)
Only in the case of executing the host terminal emulation in the
diagnostic mode, the address setting by the switch is used as the
address of the remote station.
The address is set using a binary number with the SW3-1 setting as
To remove the upper cover, remove the screws M3x6 (at four
locations) shown in the figure and unfasten the connector with the
upper cover lifted up.
Remove the screws M3x6 (at four locations) on both sides to
remove the bottom cover.
1~
the mst significant bit and the SW3-8 as the least significant bit.
3-4. Dip switches DS1-DS3 factory setup
SWITCH I
Function
Default
,
[
Swl -1 I CR code (disabled)
OFF
!
H
SWI-2
1
OFF
Selection of diagnostic program (line
------------
Swl -3
OFF
inspection test)
------------
I
SWI-4 I
OFF
!
Swl -5
Selection of conversion type (type 1)
OFF
------------
SW1-6
OFF
Swl -7 Diagnostic mode (prohibited)
OFF
I
SW1-8 \ Auto cutter (Yes)
ON
t
H
SW2-1
F
ON
SW2-2
Not used ON
SW2-3
Fixed to All "ON".
ON
SW2-4
ON
SW2-5 SRN transmission speed (1M bits)
ON
SW2-6
~ Carrier off timer (6.4ms)
OFF
------------
SW2-7
OFF
i SW2-8 I Not used
I OFF
H
SW3-1
t
OFF
------------
SW3-2
OFF
------------
I
SW3-3 I
I
OFF
I I
~------------
I
SW3-4
Terminal address (OOH)
I
OFF
------------
H
L
OFF
------------
I SW3-6 I
I
OFF
1
4 P------------
I SW3-7 1
I
OFF
i
I
~------------
I
SW3-8
OFF
/
/
Upper cover
Fig. 4-1
4-2. Removing the printer mechanism
Remove the upper cover.
Remove the screws M3x14 (at two locations) shown in the figure.
Remove the printer mechanism by lifting it up in the arrow direc-
tion.
Note: Two washers are provided for the screw in side (A) only.
Printer mechanism
Fig. 4-2
-3-