Service manual

ER-A410U/ER-A420U MASTER RESET AND PROGRAM RESET
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3. SUPPLIES
4. SPECIAL SERVICE TOOLS
CHAPTER 3. MASTER RESET AND PROGRAM RESET
The SRV key is used for performing entries in the SRV mode.
A MASTER RESET clears the entire memory and resumes initial values.
A PROGRAM RESET resumes the initial program without clearing the
memory.
There are 2 kinds of MASTER RESET operations.
1. MASTER RESET 1
Please use “Procedure A” or “Procedure B”
Procedure A: 1) Set the mode switch to the (SRV’) position.
2) Plug in the AC power cord to the wall outlet.
3) While holding down the JOURNAL FEED key, turn
the mode switch to (SRV) position from the (SRV’)
position.
Procedure B: 1) Unplug the AC power cord from the wall outlet.
2) Set the mode switch to the (SRV) position.
3) While holding down the JOURNAL FEED key, plug in
the AC power cord to the wall outlet.
Note: Procedure B cannot reset the hardware.
Procedure A must be used to reset the hardware.
2. MASTER RESET 2
Please use “Procedure A” or “Procedure B”
Procedure A: 1) Set the mode switch to the (SRV’) position.
2) Plug in the AC power cord to the wall outlet.
3) While holding down the JOURNAL FEED & the
RECEIPT FEED keys, turn the mode switch to the
(SRV) position from the (SRV’) position.
4) Program the [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [00] [000]
[.] [CL] [@/FOR] [SBTL] [CA/AT] keys by depressing
the keys in this order.
Procedure B: 1) Unplug the AC power cord from the wall outlet.
2) Set the mode switch to the (SRV) position.
3) While holding down the JOURNAL FEED & the
RECEIPT FEED key, plug in the AC power cord to the
wall outlet.
4) Repeat the same sequence as in “Procedure A”
Note: Procedure B cannot reset the hardware.
Procedure A must be used to reset the hardware.
3. PROGRAM RESET
Please use either “Procedure A”, “Procedure B” or “Procedure C”
Procedure A: 1) Set the mode switch to the (SRV’) position.
2) Plug in the AC power cord to the wall outlet.
3) Without pressing the JOURNAL FEED key, turn the
mode switch to (SRV) position from the (SRV’) posi-
tion.
Procedure B: 1) Unplug the AC power cord from the wall outlet.
2) Set the mode switch to the (SRV) position.
3) Without pressing the JOURNAL FEED key, plug in
the AC power cord from the wall outlet.
Procedure C: 1) Unplug the AC power cord from the wall outlet.
2) Set the mode switch to the PGM2 position.
3) While holding down the JOURNAL FEED key & the
RECEIPT FEED key, plug in the AC power cord to the
wall outlet.
*“Procedure C” can be executed when SRV#916-B is +4: PROGRAM
RESET in PGM2 = ENABLE.
Note: Procedure B and C cannot reset the hardware.
Procedure A must be used to reset the hardware.
NO NAME PARTS CODE
PRICE
RANK
DESCRIPTION
1 Thermal roll paper TPAPR6645RC05 BA 5 ROLLS/PACK
NO NAME PARTS CODE
PRICE
RANK
DESCRIPTION
1 RS-232 Loop-back connector UKOG-6705RCZZ BU
MASTER RESET 1: Normal MASTER RESET
Clears the entire memory and resumes initial
values.
MASTER RESET 2: It enables the layout of fixed keys in addition to
MASTER RESET 1.
Fixed keys: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
[00] [000] [.] [CL] [@/FOR] [SBTL]
[CA/AT]
Note: If the [000] key is not required, press the same
key in the next step, and [000] key will be
inhibited.