– 6 –
3.
Adjustment of the Black Mark Sensor Alignment
1. Turn the printer off and unplug the power cord.
2. Remove the screws. Then, remove the DIP switch cover on the bottom of the printer.
3. Since it is adjusted by rotating the volume VR22, check the position of the volume. Prepare a small slotted
screwdriver that will fit in the hole.
4. Set the roll paper not for black mark.
5. Press the FEED switch on the printer's control panel while turning the power switch ON.
6. Enter the black mark sensor adjustment mode by releasing the FEED switch after the buzzer sounds four times.
7. Rotate the volume VR22 using micro screwdriver, to adjust it to a position whereat both the ERROR (red LED)
and the POWER (green LED) lamps light.
8. Turn the power OFF.
This completes the black mark sensor adjustment.
Fig. 1-7 Adjustment Volume
4
1
10
1
VR22
Power off
VR22
Содержание SP500 Series
Страница 1: ...DOT MATRIX PRINTER SP500 Series TECHNICAL MANUAL FOURTH EDITION ...
Страница 24: ... 21 Fig 3 2 Lubricated Areas B C D E A A F G F G B C D E 1 7 6 8 0 A D A 2 3 9 5 4 B C C ...
Страница 25: ... 22 Fig 3 3 Screw Locking a b c d e e ...
Страница 42: ... 39 Main Logic Board Parallel Interface 3 4 ...
Страница 43: ... 40 Main Logic Board Parallel Interface 4 4 ...
Страница 44: ... 41 5 2 Component Layout ...
Страница 51: ... 48 Main Logic Board RS 232C Interface 3 4 ...
Страница 52: ... 49 Main Logic Board RS 232C Interface 4 4 ...
Страница 53: ... 50 6 2 Component Layout ...
Страница 60: ... 57 Main Logic Board USB Ethernet Wireless LAN Interface 3 4 ...
Страница 61: ... 58 Main Logic Board USB Ethernet Wireless LAN Interface 4 4 ...
Страница 62: ... 59 UPC358 7 2 Component Layout ...
Страница 67: ... 64 8 Power Supply Unit 8 1 Circuit Diagram ...
Страница 68: ... 65 8 2 Component Layout ...
Страница 71: ... 68 9 USB Interface Board 9 1 Circuit Diagram ...