Confidential
Adjustment Details of Adjustments 69
Epson WF-7620 / WF-7610 / WF-7110 Series Revision B
Adjustment of the 130-digit side
1. Move the CR Unit in the middle of the printer, then place the 1.6 mm thickness gauge with Teflon tape
applied at the position B shown in Figure 3-9.
2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge.
3. If the CR Unit touches the gauge, adjust the PG as follows. If not, go to the next step.
1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 130-digit
side by one notch. (See Figure 3-8.)
2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge.
• When the CR Unit does not touch the thickness gauge
Tighten the screw on the PG adjustment cam on the 130-digit side. Then confirm the PG on the 0-digit side is
appropriate by performing " Adjustment of the 0-digit side (p68)" again, then go to "3.2.2.4 Checking the
Platen Gap (p70)".
• When the CR Unit touches the thickness gauge
Go back to Step 3-1 and try again.
4. If the CR Unit does not touch the thickness gauge, adjust the PG as follows.
1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 130-digit
side by one notch. (See Figure 3-8.)
2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge.
• When the CR Unit touches the thickness gauge
Increment the PG adjustment cam on the 130-digit side by one notch and tighten the screw on the PG
adjustment cam to secure it. Then confirm the PG on the 0-digit side is appropriate by performing "
Adjustment of the 0-digit side (p68)" again, then go to "3.2.2.4 Checking the Platen Gap (p70)".
• When the CR Unit does not touch the thickness gauge
Go back to Step 4-1 and try again.
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