Vertical Print Start Position Adjustment - OKIDATA OL830 Service Manual

3.3.03 Vertical Print Start Position Adjustment

The Vertical Print Start Position Adjustment is used to set the top of form position. Use this
adjustment to correct print start variations between different OL printers, or to achieve 4.6 mm
vertical start position, the default value.
A chart of the EEPROM addresses and print start positions is shown below.
The Vertical Print Start Position is Parameter 9. To change the Vertical Print Start Position:
1. Power ON the printer while pressing Switch 1 on the Engine Control board. The LED
will
maintenance mode.
2. Press Switch 1 eight times to access Parameter 9. The LED will flash nine times,
indicating Parameter 9 has been selected.
3. Press Switch 1 once for five seconds. The contents of the Parameter 9 register will be
displayed.
4. To modify the contents of the Parameter 9 register, press Switch 1 (momentarily) to
step
To end the adjustment, press Switch 1 once for five seconds. The LED will flash nine times,
indicating Parameter 9.
NOTE:
Ten flashes represent the number zero.
On the table below, Address 0 comes after Address 15
EEPROM Address
0 DEFAULT
1
2
3
4
flash continuously, indicating that the printer is in Parameter 1 of the
through the addresses (in accordance with the chart shown below).
Print Start EEPROM Address
Position
0 (mm) 8
+.5 9
+1.0 10
+1.5 11
+2.0 12
Service Guide OL830
Chapter 3 Maintenance & Disassembly
Print Start
Position
-4.0 (mm)
-3.5
-3.0
-2.5
-2.0
Page: 49