$pdf->Cell(0, 10, "Serial #: ", 0, 1);
$pdf->SetFont("Arial", "U", "14");
$pdf->SetXY(135, 70);
$pdf->Cell(0, 10, "    " . $serial_no . "    ", 0, 1);
$pdf->SetFont("Arial", "", "14");
$pdf->SetXY(10, 85);
$pdf->Cell(0, 10, "Problem: ", 0, 1);
$pdf->SetFont("Arial", "U", "14");
$pdf->SetXY(40, 85);
$pdf->Cell(0, 10, "        " . $problem . "        ", 0, 1);
$pdf->SetFont("Arial", "", "14");
$pdf->SetXY(10, 95);
$pdf->Cell(0, 10, "Diagnosis: ", 0, 1);
$pdf->SetFont("Arial", "U", "14");
$pdf->SetXY(40, 95);
$pdf->Cell(0, 10, "        " . $diagnosis . "        ", 0, 1);
$pdf->SetFont("Arial", "", "14");
$pdf->SetXY(10, 110);
$pdf->Cell(0, 10, "Work Done: ", 0, 1);
$pdf->SetFont("Arial", "", "14");
$pdf->SetXY(40, 120);
$pdf->SetWidths(array(150));
$pdf->Row(array("\n" . $work_done . "\n"));
$pdf->SetFont("Arial", "", "14");
$pdf->Ln(10);
$pdf->Cell(0, 10, "Remarks: " . $remarks, 0, 1);
$pdf->SetFont("Arial", "", "14");
$pdf->Ln(5);
$pdf->Cell(0, 10, "System Engineer:    " . $system_engineer, 0, 1);
$pdf->output();