Sony UP-D2600, Service Manual

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3-10
UP-D2600/V1(E)
3-5. Main Service Commands (Excluding Mechanical Adjustments)
<EXEC> indicates the WRITE command.
1. Head voltage adjustment
<Contents> The head voltage increases when the DATA value is increased.
PAGE1 ADDRESS 3F DATA
**
R/W
2. Front LED lighting check
PAGE4 ADDRESS 06 R/W Print LED
PAGE4 ADDRESS 05 R/W Alarm LED
PAGE4 ADDRESS 16 R/W Ribbon LED
PAGE4 ADDRESS 15 R/W Paper LED
Lights with
DATA 01
Goes off with DATA 00
3. Display of reminding number of printed sheets
<Contents> Displays the number of printed sheets remaining in continuous printing.
PAGE4 ADDRESS 0F DATA
**
Hexadecimal display R
4. Setting of number of continuous printed sheets
<Contents> Sets the number of printed sheets to be printed in continuous printing.
PAGE4 ADDRESS 10 DATA
**
Hexadecimal display R/W
5. Bell muting
<Contents> The bell will not ring. Rings again when power is turned on and then off.
PAGE4 ADDRESS 14 DATA01 R/W
6. Bell check
PAGE4 ADDRESS 17 [EXEC] W Bell rings once
PAGE4 ADDRESS 18 [EXEC] W Bell rings three times
7. Reset of number of printed sheets after replacing head
<Contents> The number of printed sheets after replacing head is set to 0.
PAGE4 ADDRESS 23 [EXEC] W
8. BUS check
<Contents> CPU checks self CPU bus easily by writing and reading the memory control IC 102,
EEPROM IC201 and pallet IC101.
PAGE4 ADDRESS 24 [EXEC] W
OK : 1 bell, NG : 3 bells
NG :
Confirm the NG generation portion.
PAGE1 ADDRESS 17 DATA
**
R
1 : memory control IC102
2 : pallet IC101
3 : EEPROM IC201