Main Service Commands (Excluding Mechanical Adjustments) - Sony UP-D2550S Service Manual

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
3-10 UP-D2550S (UC,CE)