4-12
Confidential
■ Head inclination adjustment procedure
1)
Switch the machine to the maintenance mode and press the
6
,
3
,
Mono
Start
, and
*
keys in this order to move the head/carriage unit to the adjustment position.
2) If the sum of the selected values is 7 or smaller, turn the external ring to the
positive side by 5 scale marks. If the external ring cannot turn exceeding 3 to 4
scale marks, turn the external ring to the +7 position.
If the external ring cannot turn exceeding 2 scale marks, turn the internal ring to
the +1 position and then turn the external ring to the center (0 position).
If the sum of the selected values is 13 or larger, turn the external ring to the
negative side by 5 scale marks. If the external ring cannot turn exceeding 3 to 4
scale marks, turn the external ring to the -7 position.
If the external ring cannot turn exceeding 2 scale marks, turn the internal ring to
the -1 position and then turn the external ring to the center (0 position).
If the internal ring is already set in the +1 or -1 position and cannot be turned
further, then replace the head/carriage unit.
Note: When turning the internal ring, hold down the head/carriage unit. Failure to
do so may cause missing block.
Fig. 4-1
■ Turning the rings
External ring
Apply the tip of a flat screwdriver to the groove at section "A". While pressing
down the external ring with the screwdriver, turn it to the + or - position.
Internal ring
Insert the tip of a flat screwdriver under the external ring from section "B" and
remove the external ring upwards. Put the external ring on the internal ring
inside out and use it as a wrench to turn the internal ring to the + or - position.
3) Go back to step (2), print out a test pattern again, and check the C and D patterns.
Repeat this procedure until the sum of block number that shows the most indistinct
horizontal lines comes to between 8 and 12, inclusive.
External ring
Internal ring
A
B
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