SchedulerPage.java

package com.alpaca.serenity.pages;

import com.alpaca.serenity.AlpacaBase;
import com.alpaca.serenity.Enums.Currency;
import com.alpaca.serenity.models.Customer;
import net.serenitybdd.core.pages.WebElementFacade;
import org.openqa.selenium.By;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.How;

import static com.alpaca.serenity.pages.Constants.CURRENCY_CARD_COMBINATION_NOT_ALLOWED;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;

public class SchedulerPage extends AlpacaBase {


    @FindBy(xpath = "//*[@id='customerPaymentMethodForm']/div[1]/div[2]/div[1]/h3/span")
    private WebElementFacade moreDetails;

    @FindBy(id = "customerRef")
    private WebElementFacade schedPayerReference;
    @FindBy(id = "firstname")
    private WebElementFacade schedFirstName;
    @FindBy(id = "surname")
    private WebElementFacade schedSurname;
    @FindBy(id = "email")
    private WebElementFacade schedEmail;
    @FindBy(id = "mobile")
    private WebElementFacade schedMobileNumber;
    @FindBy(id = "homephone")
    private WebElementFacade schedHomeNumber;
    @FindBy(id = "workphone")
    private WebElementFacade schedWorkNumber;
    @FindBy(id = "company")
    private WebElementFacade schedCompany;
    @FindBy(id = "address1")
    private WebElementFacade schedAddressLine1;
    @FindBy(id = "address2")
    private WebElementFacade schedAddressLine2;
    @FindBy(id = "address3")
    private WebElementFacade schedAddressLine3;
    @FindBy(id = "county")
    private WebElementFacade schedCounty;

    @FindBy(id = "country")
    private WebElementFacade schedTermCountryAlpha2;

    @FindBy(how = How.CLASS_NAME, using = "inputButton")
    private WebElementFacade schedulerTerminalResetButton;

    @FindBy(how = How.CLASS_NAME, using = "actionButton")
    private WebElementFacade submitButton;

    @FindBy(id = "repeats_chzn")
    private WebElementFacade repeats;

    @FindBy(id = "neverRadio")
    private WebElementFacade endsNever;

    @FindBy(id = "afterRadio")
    private WebElementFacade endsAfter;

    @FindBy(id = "endsAfter")
    private WebElementFacade endsAfterPayments;

    @FindBy(id = "onRadio")
    private WebElementFacade endsOn;

    @FindBy(id = "endsDate")
    private WebElementFacade endsDate;

    @FindBy(id = "summaryDiv")
    private WebElementFacade summary;

    @FindBy(id = "weeklyRepeatsOn_chzn")
    private WebElementFacade weeklyRepeatsOn;

    @FindBy(id = "monthlyEvery_chzn")
    private WebElementFacade everyMonth;

    @FindBy(id = "monthlyOnDate")
    private WebElementFacade monthlyOnDate;

    @FindBy(id = "monthlyOnDay")
    private WebElementFacade monthlyOnDay;

    @FindBy(id = "monthlyWeek_chzn")
    private WebElementFacade monthlyWeek;

    @FindBy(id = "monthlyDayOfWeek_chzn")
    private WebElementFacade monthlyDayOfWeek;

    @FindBy(id = "yearlyDate_chzn")
    private WebElementFacade yearlyDate;

    @FindBy(id = "yearlyMonth_chzn")
    private WebElementFacade yearlyMonth;

    @FindBy(id = "amount")
    private WebElementFacade amount;

    @FindBy(css = "[id$='account']") // it has different id when going from customers and going from the terminal
    private WebElementFacade account;

    @FindBy(css = "[id*='currenc']") //it has different id when going from customers and going from the terminal
    private WebElementFacade currencies;

    @FindBy(id = "detailIcon")
    private WebElementFacade scheduleDetails;

    @FindBy(id = "moreOptionIcon")
    private WebElementFacade moreOptions;

    @FindBy(id = "orderIdStub")
    private WebElementFacade orderIdStub;

    @FindBy(id = "varRef")
    private WebElementFacade variableReference;

    @FindBy(id = "prodId")
    private WebElementFacade productId;

    @FindBy(id = "custNo")
    private WebElementFacade customerNumber;

    @FindBy(id = "comment")
    private WebElementFacade comment;

    @FindBy(id = "processButton")
    private WebElementFacade processButton;

    @FindBy(id = "schedTerminalResponseViewPayer")
    private WebElementFacade viewPayer;

    @FindBy(id = "processButton")
    private WebElementFacade process;

    @FindBy(className = "result-terminal")
    private WebElementFacade txtResultTerminal;

    @FindBy(css = ".alert #viewCustomer")
    private WebElementFacade btnViewCustomer;

    @FindBy(css = "[ng-if='result.scheduleReference'] #custNumQuickSearch")
    private WebElementFacade txtScheduleRef;


    /**
     * Adding A costumer
     *
     * @param customer
     */
    public void addCustomer(Customer customer) {
        moreDetails.click();
        schedCompany.type(customer.getCompany());
        schedEmail.type(customer.getEmail());
        scrollToElement(schedCompany);
        schedMobileNumber.type(customer.getMobileNumber());
        schedHomeNumber.type(customer.getHomeNumber());
        schedWorkNumber.type(customer.getWorkNumber());
        schedAddressLine1.type(customer.getAddressLine1());
        schedAddressLine2.type(customer.getAddressLine2());
        schedAddressLine3.type(customer.getAddressLine3());
        schedCounty.type(customer.getCounty());
        scrollToElement(schedTermCountryAlpha2);
        selectDropdown(schedTermCountryAlpha2, customer.getCountry());
    }

    /**
     * Filling in schedule form, monthly on the first by default
     *
     * @param account
     * @param amount
     * @param currency
     */
    public void enteringDefaultScheduleDetails(String account, String amount, Currency currency) {
        scrollToElement(this.account);
        selectDropdown(this.account, account);
        this.amount.type(amount);
        selectDropdown(this.currencies, currency.getCurrency());
    }

    /**
     * clicks on process schedule and verifies the success alert is displayed
     */
    public String processingSchedule(String message,boolean closeAlert) {
        String scheduleRef;
        scrollToElement(process).click();
        waitFor(".alert");
        if (!message.equals(CURRENCY_CARD_COMBINATION_NOT_ALLOWED) && txtScheduleRef.isCurrentlyVisible()) {//TODO change to generic error alert
            scheduleRef = txtScheduleRef.getText();
        } else {
            scheduleRef = "You are either coming from customer section or there was an error creating the schedule";
        }
        waitForLoad();
        verifyAlert(message, closeAlert);
        return scheduleRef;
    }


    /**
     * clicks on view customer and asserts the user is taken to the customer details screen
     */
    public void viewCustomer() {
        waitFor(btnViewCustomer);
        btnViewCustomer.click();
        waitForLoad();
        waitForTextToAppear(findBy("#customerTitle"), Constants.CUSTOMER[language]);
        assertThat("URL is wrong", getDriver().getCurrentUrl().contains("customerdetails"), is(true));
    }


    /**
     * Returns the status as String
     *
     * @return
     */
    public String verifyStatus() {
        waitFor(txtResultTerminal);
        return txtResultTerminal.getText();
    }

    /**
     * Returns the result Code as String
     *
     * @return
     */
    public String verifyResultCode() {
        return getDriver().findElement(By.id("resultArea"))
                .findElements(By.className("resultMessage")).get(1).getText();
    }

    /**
     * @return
     */
    public SchedulerPage viewPayment() {
        viewPayer.click();
        return this;
    }


}

I wouldn't call it a large class, just lots of @findby

How would you go around refactoring a page obejct class with over 3000 lines...?
Most of them are not @findby, just automation logic