Sharp ER-A450T Service Manual - Page 8

Service Reset And Master Reset

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CHAPTER 3. SERVICE RESET AND MASTER RESET 1. SERVICE reset (Program Loop Reset) Used to return the machine back to its operational state after a lockup has occurred. Procedure • Method 1 1) Unplug the AC cord from the wall outlet. 2) Set the mode switch to (SRV′) position. 3) Plug in the AC cord to the wall outlet. 4) Turn to (SRV) position from (SRV′) position. • Method 2 1) Set the mode switch to PGM2 position. 2) Turn off the AC switch. 3) While holding down JOURNAL FEED key and RECEIPT FEED key, Turn on the AC switch. Note: When disassembling and reassembling always power up us- ing method 1 only. Method 2 will not reset the CKDC8. Note: SRV programming job#926-B must be set to "4" to allow PGM program loop reset. 2. Master reset (All memory clear) There are two possible methods to perform a master reset. • MRS-1 Used to clear all memory contents and return machine back to its initial settings and return keyboard back to default keyboard layout. Procedure 1) Unplug the AC cord from the wall outlet. 2) Set the MODE switch to the (SRV′) position. 3) Plug in the AC cord to the wall outlet. 4) While holding down JOURNAL FEED key, turn to (SRV) position from (SRV′) position. • MRS-2 Used to clear all memory and keyboard contents. This reset returns all programming back to defaults. The keyboard must be entered by hand. This reset is used if an application needs different keyboard layout other than that supplied by a normal MRS-1. Procedure 1) Unplug the AC cord from the wall outlet. 2) Set the MODE switch to the (SRV′) position. 3) Plug in the AC cord to the wall outlet. 4) While holding down JOURNAL FEED key and RECEIPT FEED key, turn to (SRV) position from (SRV′) position. 5) Key position assignment: After the execution of MRS-2, only the RECEIPT FEED and JOURNAL FEED keys can remain effective on key assignment. Any key can be assigned on any key position on the main keyboard. [key setup procedure] MRS-2 0 executed Key position set *2 Free key 0 *1 Disable Free key setup complete. NOTES: 1: When the 0 key is pressed, the key of the key number on display is disabled. 2: Push the key on the position to be assigned. With this, the key of the key number on display is assigned to that key position. Key number Key name 1 Numeric key "0" 2 Numeric key "1" 3 Numeric key "2" 4 Numeric key "3" 5 Numeric key "4" 6 Numeric key "5" 7 Numeric key "6" 8 Numeric key "7" 9 Numeric key "8" Key number Key name 10 Numeric key "9" 11 Numeric key "00" 12 Numeric key "000" 13 Decimal point key 14 CL key 15 @/FOR 16 SBTL key 17 CA/AT key 3 - 1

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CHAPTER 3. SERVICE RESET AND MASTER RESET
1. SERVICE reset (Program Loop Reset)
Used to return the machine back to its operational state after a lock-
up has occurred.
Procedure
•
Method 1
1)
Unplug the AC cord from the wall outlet.
2)
Set the mode switch to (SRV
′
) position.
3)
Plug in the AC cord to the wall outlet.
4)
Turn to (SRV) position from (SRV
′
) position.
•
Method 2
1)
Set the mode switch to PGM2 position.
2)
Turn off the AC switch.
3)
While holding down JOURNAL FEED key and RECEIPT FEED
key, Turn on the AC switch.
Note:
When disassembling and reassembling always power up us-
ing method 1 only. Method 2 will not reset the CKDC8.
Note:
SRV programming job#926-B must be set to "4" to allow PGM
program loop reset.
2. Master reset (All memory clear)
There are two possible methods to perform a master reset.
•
MRS-1
Used to clear all memory contents and return machine back to its
initial settings and return keyboard back to default keyboard layout.
Procedure
1)
Unplug the AC cord from the wall outlet.
2)
Set the MODE switch to the (SRV
′
) position.
3)
Plug in the AC cord to the wall outlet.
4)
While holding down JOURNAL FEED key, turn to (SRV) position
from (SRV
′
) position.
•
MRS-2
Used to clear all memory and keyboard contents.
This reset returns all programming back to defaults. The keyboard
must be entered by hand.
This reset is used if an application needs different keyboard layout
other than that supplied by a normal MRS-1.
Procedure
1)
Unplug the AC cord from the wall outlet.
2)
Set the MODE switch to the (SRV
′
) position.
3)
Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key and RECEIPT FEED
key, turn to (SRV) position from (SRV
′
) position.
5)
Key position assignment:
After the execution of MRS-2, only the RECEIPT FEED and
JOURNAL FEED keys can remain effective on key assignment.
Any key can be assigned on any key position on the main key-
board.
[key setup procedure]
NOTES:
1:
When the 0 key is pressed, the key of the key number on display
is disabled.
2:
Push the key on the position to be assigned. With this, the key of
the key number on display is assigned to that key position.
Key number
Key name
Key number
Key name
1
Numeric key "0"
10
Numeric key "9"
2
Numeric key "1"
11
Numeric key "00"
3
Numeric key "2"
12
Numeric key "000"
4
Numeric key "3"
13
Decimal point key
5
Numeric key "4"
14
CL key
6
Numeric key "5"
15
@/FOR
7
Numeric key "6"
16
SBTL key
8
Numeric key "7"
17
CA/AT key
9
Numeric key "8"
MRS-2
executed
Key position set
Free key
Disable
Free key setup
complete.
*2
*1
0
0
3 – 1