Casio PCR-255 Service Manual page 14

4. Battery voltage check
Press "7" key and "SUB TOTAL" key.
Display the voltage level of memroy protection battery.
To escape this test, turn the mode switch to "OFF".
VCC=5.35V(Standard)
5. Print test
Press "8" key and "SUB TOTAL" key.
The machine prints all character.
Receipt sample
0 0 0 0 0 0 0 0 0 0 CA Z
1 1 1 1 1 1 1 1 1 1 CH 1
2 2 2 2 2 2 2 2 2 2 RA 2
3 3 3 3 3 3 3 3 3 3 PO 3
4 4 4 4 4 4 4 4 4 4 NT 4
5 5 5 5 5 5 5 5 5 5 STCK
6 6 6 6 6 6 6 6 6 6 AT +
7 7 7 7 7 7 7 7 7 7 CG -
8 8 8 8 8 8 8 8 8 8 TX X
9 9 9 9 9 9 9 9 9 9 RF@
- - - - - - - - - -
, , , , , , , , , , * #
• • • • • • • • • •%NS
# # # # # # # # # # VDTA
6. Time test
Press "9" key and "SUB TOTAL" key.
Display the time.
To escape this test, press "C" key.
4. To escape the diagnostic operation
Execute the MAC operation (Memory All Clear).
Note : Make sure to remove the memory protection batteries.
# 8
Note : US version is printed out
Note: US version is printed out
14 characters.
14 charaacters.
— 12 —
5 3 5
Voltage level
2 3 -
5 9 1 2