Epson Stylus PHOTO 890 Service Manual

Also see for 1280 - Stylus Photo Color Inkjet Printer: Cartridges Replacement Printer basics Product support bulletin Product support bulletin Supplementary guide

Contents

EPSON Stylus Photo 890/1280/1290 Revision CADJUSTMENT Adjustment 1245.2.1.2 Using Thickness GaugeUsing the PG adjustment tool is the best way to adjust the PG (Platen Gap) as accurateas possible. You may substitute a thickness gauge (1.14mm) for the PG adjustmenttool, however, the accuracy of PG may decline comparing to using the PG adjustmenttool.1. Follow Step 1 to 3 in 5.2.1.1“Using PG Adjustment Tool” on page -121.2. Bring the Carriage to the center of the printer mechanism. Then place the thicknessgauges (1.14 mm) on the front paper guide aligning them with the right and leftsquare cutouts in the front paper guide. (See Figure 5-3.)Figure 5-3. Placing the Thickness Gauge3. Move the Carriage Unit over the gauge on the right.4. If the printhead does not touch the gauge, turn the bushing to the rear to make theprinthead touch the gauge and then, from the touching position, bring the bushingback by one notch. On the other hand, if the printhead already touches the gauge,turn the bushing to the front to make the printhead touch the gauge, and then pushthe bushing back by one notch.5. Move the PG lever to the rear (+).6. Move the carriage unit over the thickness gauge on the left.7. Bring the PG lever to the font (0).8. Make the adjustment as in the same manner as in step 4.9. Bring the PG lever to the rear (+).10. Move the carriage back over the thickness gauge on the right.11. Move the PG lever back to the front (0).12. Make the adjustment again on the right parallelism adjustment bushing. If theresult is good, the adjustment is completed.13. Fasten the bushing screws on both sides.CutoutThicknessGaugeCarriage UnitLeft Edge Right Edge(Home Position Side)Front Paper GuidePF RollerFront Paper GuideGauge Aligning PositionCutout• Set the gauge on the horizontal top ofthe ribs.• Bring the rib tops to the middle ofthe gauge.CHECKPOINTn To move the carriage unit, pull the timing belt with your hand.n Be careful not to damage the CR scale (linear encoder).CHECKPOINTn Platen Gap becomes wider when moving the Parallel AdjustmentBushing forward and becomes narrower when movingbackward.n Make a PG adjustment at least 3 times, both sides and repeat oneside.n Make sure a peak portion of the frame engages with a valleyportion of Parallel Adjustment Busing.