I need help to increase print quality when calling preview component into invoice

i have a receipt form in angular 15 that need to be printed on a certain preview. so i have created that preview in a separate component then called that component into main form that loads by clicking on button save and print. everything workign fine but print quality is poor.

if i print direclty that preview component, Qulity is Good but when printing receipt form Quality is poor and not readable.

I need help how to improve print quality. there is no problem with printer.

<div id="receipt-content" class="receipt-container">
<!-- Header Section: Logo and Store Info -->
<div class="header">
<!-- Logo Container -->
<div class="logo-container">
<img src="assets/img/logo.png" alt="Eidanas Logo" class="logo" />
</div>
<!-- Store Info Container: Store Name, Address, Phone (each on its own line) -->
<div class="store-info-container">
<h2 class="store-name">Eidanas</h2>
<p class="store-address"> Shop 369 St 17, D Sector D PWD, Islamabad</p>
<p class="store-phone"> 0317-4490994, 0320-5003468</p>
</div>
</div>

<!-- Meta Section: Receipt Details (left aligned) -->
<div class="meta">
<p class="receipt-meta"> Date: {{ saleInvoice?.date | date: 'shortDate' }}</p>
<p class="receipt-meta"> Invoice#: {{ saleInvoice?.invoiceNo }}</p>
<p class="receipt-meta"> Customer: {{ saleInvoice?.customerName }}</p>
</div>

<hr class="divider" />

<!-- Items Table -->
<table class="receipt-table">
<thead>
<tr>
<th>Barcode</th>
<th>Item</th>
<th>Qty</th>
<th>Price</th>
<th>Disc.</th>
<th>Total</th>
</tr>
</thead>
<tbody>
<tr *ngFor="let item of saleInvoice?.siLines">
<td>{{ item.barcode }}</td>
<td>{{ item.itemCode }}</td>
<td>{{ item.quantity }}</td>
<td>{{ item.retailPrice }}</td>
<td> {{item.discAmount}}</td>
<td>{{ item.lineTotal }}</td>
</tr>
</tbody>
</table>

<hr class="divider" />

<!-- Total Amount (centered) -->
<p class="total-amount"><strong> Grand Total: {{ saleInvoice?.totalAmount }}</strong></p>

<!-- Print Button (hidden when printing) -->
<div class="actions no-print">
<button class="print-btn" (click)="printReceipt()"> Print</button>
</div>

<!-- Footer: Website centered at the very bottom -->
<footer class="footer">
<p class="website-link">www.eidanas.com</p>
</footer>
</div>




here is main Receipt Code

<div class="container-fluid page">
<div class="d-flex page_box p- mt- header-sticky" position="sticky">
<div *ngIf="Add">Manage Sale Invoice</div>
<div *ngIf="Edit">Update Sale Invoice</div>
</div>
<div class="page_content shadow p- position-relative">
<form #userForm="ngForm" >
<div fxLayout="row" fxLayoutAlign="space-between">
<mat-form-field fxFlex="45%" appearance="outline" class="form-group">
<mat-label>Invoice No</mat-label>
<input matInput [(ngModel)]="selectedSaleInvoice.invoiceNo" name="invoiceNo" required
#invoiceNo="ngModel" readonly />
<mat-error *ngIf="invoiceNo.errors?.['required']">Invoice No is required</mat-error>
</mat-form-field>
<mat-form-field fxFlex="45%" appearance="outline" class="form-group">
<mat-label>Date</mat-label>
<input matInput [ngxMatDatetimePicker]="picker" name="date" required #date="ngModel"
[(ngModel)]="selectedSaleInvoice.date" />
<mat-datepicker-toggle matSuffix [for]="$any(picker)"></mat-datepicker-toggle>
<ngx-mat-datetime-picker
class="datetimepicker"
#picker
[showSpinners]="false"
[enableMeridian]="false"
[hideTime]="true"
[disableTime]="true"
[disableMinute]="true"
[min]="minDate"
type="date">
</ngx-mat-datetime-picker>
</mat-form-field>
<mat-form-field fxFlex="45%" appearance="outline" class="form-group">
<mat-label>Customer Name</mat-label>
<input matInput required name="customerName" #customerName="ngModel"
[(ngModel)]="selectedSaleInvoice.customerName" />
</mat-form-field>
<mat-form-field fxFlex="45%" appearance="outline" class="form-group">
<mat-label>Cell No</mat-label>
<input matInput required name="cell" #cell="ngModel"
[(ngModel)]="selectedSaleInvoice.cell" />
</mat-form-field>


</div>
<br />

<p style="
font-size: 20px;
font-weight: bolder;
color: #04415e;
margin-top: 30px;
">
Sale Invoice Line
</p>
<c-card style="margin-top: 10px; background: rgb(209, 238, 243); padding: 20px" class="mat-elevation-z8">
<form #SaleInvoiceDetailForm="ngForm" (keydown.enter)="$event.preventDefault();">

<Row>
<div fxLayout="row" fxLayoutAlign="space-between">
<!-- . Service ID with Search Icon -->

<mat-form-field fxFlex="45%" appearance="outline" class="form-group">
<mat-label>Barcode</mat-label>
<input matInput required name="barcode" #barcode="ngModel"
[(ngModel)]="SaleInvoiceDetail.barcode"
(ngModelChange)="onBarcodeScanned($event)" />

<!-- <div matSuffix>
<button mat-icon-button style="color:#940540;" (click)="OpenItemsDialog(); $event.stopPropagation()">
<mat-icon cTooltip="Explore Tax">add</mat-icon>
</button>
</div> -->
</mat-form-field>

<!-- <mat-form-field fxFlex="45%" appearance="outline" class="form-group">

<mat-label>Bar Code</mat-label>
<mat-select
[(ngModel)]="SaleInvoiceDetail.barcodeId"
[ngModelOptions]="{standalone: true}"
#barcodeId="ngModel">
<mat-option *ngFor="let option of Items" [value]="option.barcode" (click)="onSelectItems(option)">
{{ option.barcode }}
</mat-option>
</mat-select>
<div matSuffix>
<button mat-icon-button style="color:#940540;" (click)="OpenItemsDialog(); $event.stopPropagation()">
<mat-icon cTooltip="Explore Tax">add</mat-icon>
</button>
</div>
</mat-form-field>-->
<mat-form-field appearance="outline" class="form-group" fxFlex="15%">
<mat-label>Item Code</mat-label>
<input matInput #itemCode="ngModel" readonly name="itemCode"
[(ngModel)]="SaleInvoiceDetail.itemCode" />
</mat-form-field>
<mat-form-field appearance="outline" fxFlex="15%">
<mat-label>Quantity</mat-label>
<input
matInput
#qtyInput
#quantity="ngModel"
name="quantity"
[(ngModel)]="SaleInvoiceDetail.quantity"
type="number"
min=1
required
(keydown.enter)="AddLinetoList()"
oninput="validity.valid||(value='')"
(input)="calculateAmount()"
/>
<mat-error *ngIf="quantity.errors?.['required']">
Quantity is required
</mat-error>
<mat-error *ngIf="quantity.errors?.['min']">
Quantity must be greater than 0
</mat-error>
</mat-form-field>
<mat-form-field appearance="outline" class="form-group" fxFlex="15%">
<mat-label>Price </mat-label>
<input matInput #retailPrice="ngModel" name="retailPrice" (input)="calculateAmount()"
[(ngModel)]="SaleInvoiceDetail.retailPrice" />
</mat-form-field>
<!-- <mat-form-field appearance="outline" class="form-group" fxFlex="15%">
<mat-label>Discount </mat-label>
<input matInput #discount="ngModel" name="discount" (input)="calculateAmount()"
[(ngModel)]="SaleInvoiceDetail.discount" />
</mat-form-field> -->
<mat-form-field appearance="outline" fxFlex="12%">
<mat-label>Disc.%</mat-label>
<input matInput type="number" max="100" name="discount"
[(ngModel)]="SaleInvoiceDetail.discount"
(focus)="lastEditedField='discount'"
(input)="calculateAmount()" />
</mat-form-field>

<mat-form-field appearance="outline" fxFlex="12%">
<mat-label>Disc.Amt</mat-label>
<input matInput type="number" name="discAmount"
[(ngModel)]="SaleInvoiceDetail.discAmount"
(focus)="lastEditedField='discAmount'"
(input)="calculateAmount()" />
</mat-form-field>

<mat-form-field fxFlex="15%" appearance="outline" class="form-group">
<mat-label>Line Total</mat-label>
<input readonly matInput #lineTotal="ngModel" name="lineTotal" required="true"
[(ngModel)]="SaleInvoiceDetail.lineTotal" (input)="calculateAmount()" />
</mat-form-field>
</div>
</Row>
<Row>
<div fxLayout="row" fxLayoutAlign="end" fxFlex="100%">
<div>
<button type="submit" mat-icon-button mat-sm-button style="color: rgb(97, 48, 48)"
cTooltip="Add to the List" cTooltipPlacement="top" (click)="AddLinetoList()">
<mat-icon>add</mat-icon>
</button>
<button type="button" mat-icon-button mat-sm-button color="primary" cTooltip="Refresh"
cTooltipPlacement="top" (click)="RefreshLine()">
<mat-icon>refresh</mat-icon>
</button>
</div>
</div>
</Row>
</form>
</c-card>
<c-card style="padding: px; margin-top: px" class="mat-elevation-z">
<h style="font-size: 20px; color: #04415e; margin: 20px">
Items List
</h>
<c-card-body style="
padding: 10px;
background-image: linear-gradient(
to bottom,
rgb(2, 33, 58),
rgb(7, 95, 122)
);
margin: 5px;
border-radius: 10px;
">
<div class="example-table-container">
<section class="example-container mat-elevation-z8" tabindex="0" style="border-radius: 5px">
<table mat-table [dataSource]="dataSource" class="mat-elevation-z">

<ng-container matColumnDef="barcode">
<th mat-header-cell *matHeaderCellDef style="color: black">
<div style="width: 200px">BarCode</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.barcode }}</div>
</td>
</ng-container>
<ng-container matColumnDef="itemCode">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Item Code</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.itemCode }}</div>
</td>
</ng-container>
<ng-container matColumnDef="retailPrice">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Price</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.retailPrice }}</div>
</td>
</ng-container>
<ng-container matColumnDef="quantity">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Quantity</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.quantity }}</div>
</td>
</ng-container>
<ng-container matColumnDef="discount">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Disc%</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.discount }}</div>
</td>
</ng-container>
<ng-container matColumnDef="discAmount">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Disc.Amount</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.discAmount }}</div>
</td>
</ng-container>
<ng-container matColumnDef="lineTotal">
<th mat-header-cell *matHeaderCellDef>
<div style="width: 200px">Line Total</div>
</th>
<td mat-cell *matCellDef="let element">
<div style="width: 200px">{{ element.lineTotal }}</div>
</td>
</ng-container>
<ng-container matColumnDef="actions" stickyEnd>
<th mat-header-cell *matHeaderCellDef style="width: 100px; text-align: center">
<div style="width: 100px; text-align: center">Actions</div>
</th>
<td mat-cell *matCellDef="let row">
<div style="width: 100px; text-align: center">
<button mat-icon-button mat-sm-button style="color: #1e293b" (click)="edit(row)"
cTooltip="Edit Settings ">
<mat-icon>edit</mat-icon>
</button>
<button mat-icon-button mat-sm-button color="warn" cTooltip="Delete Settings "
(click)="delete(row)" [enabled]="row.isSystemDefined">
<mat-icon>delete</mat-icon>
</button>
</div>
</td>
</ng-container>
<tr mat-header-row *matHeaderRowDef="displayedColumns; sticky: true"></tr>
<tr mat-row *matRowDef="let row; columns: displayedColumns"></tr>
</table>
</section>
</div>
</c-card-body>
<div fxLayout="row" fxLayoutAlign="end center" class="form-group">
<div fxFlex="30%" class="form-group">
<h4>Total Amount: {{ totalAmount }}</h4>
</div>
</div>
</c-card>
<div fxLayoutAlign="end start">
<c-spinner *ngIf="proccessing" style="height: 50px; width: 50px; color: rgb(3, 71, 102)"></c-spinner>
<div style="margin-top: 10px" *ngIf="!proccessing">
<div fxLayout="row" fxLayoutAlign="end" fxFlex="100%">
<c-spinner *ngIf="proccessing" style="height: 50px; width: 50px; color: rgb(3, 71, 102)"></c-spinner>
<div style="margin-top: 10px" *ngIf="!proccessing">

<!-- changing this to make primary save and print and primary update and print-->
<!-- Add Mode: Primary Save & Print, Secondary Save -->
<ng-container *ngIf="Add">
<mat-button-toggle-group cButton class="me-1" style="background-color: #192151; width: 150px">
<!-- Primary Button: Save & Print -->
<mat-button-toggle (click)="onSaveAndPrint()">
Save & Print
</mat-button-toggle>
<!-- Dropdown trigger -->
<mat-button-toggle [matMenuTriggerFor]="dropdownMenuAdd">
<mat-icon style="margin-right: 8px">arrow_drop_down</mat-icon>
</mat-button-toggle>
</mat-button-toggle-group>

<!-- Dropdown Menu for Add Mode -->
<mat-menu #dropdownMenuAdd="matMenu" xPosition="before">
<button type="button" (click)="Submit()" class="btn btn-primary">
Save
</button>
</mat-menu>
</ng-container>

<!-- Edit Mode: Primary Update & Print, Secondary Update -->
<ng-container *ngIf="Edit">
<mat-button-toggle-group cButton class="me-1" style="background-color: #192151; width: 150px">
<!-- Primary Button: Update & Print -->
<mat-button-toggle (click)="onSaveAndPrint()">
Update & Print
</mat-button-toggle>
<!-- Dropdown trigger -->
<mat-button-toggle [matMenuTriggerFor]="dropdownMenuEdit">
<mat-icon style="margin-right: 8px">arrow_drop_down</mat-icon>
</mat-button-toggle>
</mat-button-toggle-group>

<!-- Dropdown Menu for Edit Mode -->
<mat-menu #dropdownMenuEdit="matMenu" xPosition="before">
<button type="button" (click)="Submit()" class="btn btn-primary">
Update
</button>
</mat-menu>
</ng-container>

<!-- Hidden Print Receipt Component -->
<!-- This component is always rendered but will only display when printing (via your CSS) -->
<div class="print-only">
<app-sale-invoice-print *ngIf="selectedSaleInvoice" [saleInvoice]="selectedSaleInvoice"></app-sale-invoice-print>
</div>

<!-- <mat-menu #dropdownMenuTwo="matMenu" xPosition="before" >
<button type="submit" mat-menu-item class="menu-item" (click)="isPrint=true;Submit();">
<mat-icon class="menu-item-icon">picture_as_pdf</mat-icon>
<span class="menu-item-text">Update & Pdf</span>
</button>

</mat-menu> -->
<button cButton class="me-1" style="background-color: #192151; width: 100px" type="button"
(click)="Refresh()" >
Clear
</button>
<button cButton class="me-1" style="background-color: #051e51; width: 100px" (click)="Back()">
Go Back
</button>

</div>
</div>
</div>
</div>
</form>
</div>
</div>
<!--
Print Component: Always rendered (it can be hidden during normal view via CSS if needed)
<app-sale-invoice-print *ngIf="selectedSaleInvoice" [saleInvoice]="selectedSaleInvoice"></app-sale-invoice-print>

<div class="print-only">
<app-sale-invoice-print
*ngIf="selectedSaleInvoice"
[saleInvoice]="selectedSaleInvoice">
</app-sale-invoice-print>
</div> -->



i have tried changin differnt CSS but still unable to solve it.

here is CSS for preview component

/* Base Styles */
.receipt-container {
width: 80mm;
max-width: 80mm;
max-height: 200mm;
margin: 0 auto;
padding: 1mm;
font-family: Arial, sans-serif;
font-size: 10pt;
color: #000;
background: #fff;
border: 1px solid #ddd;
text-align: left;
}

.header {
text-align: center;
margin-bottom: 10px;
display: flex;
flex-direction: column;
align-items: center;
}

.logo-container {
display: flex;
justify-content: center;
align-items: center;
margin-bottom: 2mm;
}

.logo {
max-width: 50mm;
height: auto;
}

.store-info-container {
text-align: center !important;
}

.store-name {
display: block;
margin: 1mm 0 1mm 0;
font-size: 20pt;
font-weight: bold;
text-align: center !important;
}

.store-address,
.store-phone {
display: block;
margin: 1mm 0;
font-size: 11pt;
text-align: center !important;
}

.meta {
text-align: left;
margin: 3mm 0;
}

.receipt-meta {
margin: 1mm 0;
font-size: 11pt;
}

.divider {
border: 0;
border-top: 1px dashed #000;
margin: 3mm 0;
}

.receipt-table {
width: 100%;
border-collapse: collapse;
font-size: 10pt;
}

.receipt-table th,
.receipt-table td {
padding: 1mm 2mm;
border-bottom: 1px dashed #ccc;
text-align: center;
}

.total-amount {
text-align: center;
margin-top: 3mm;
font-size: 11pt;
font-weight: bold;
}

.actions {
text-align: center;
margin-top: 3mm;
}

.print-btn {
padding: 3mm 6mm;
font-size: 10pt;
background-color: #940540;
color: #fff;
border: none;
cursor: pointer;
}

.footer {
margin-top: 3mm;
border-top: 1px dashed #000;
padding-top: 2mm;
font-size: 12pt;
text-align: center !important;
}

.website-link {
text-align: center !important;
margin: 0;
padding: 0;
width: 100%;
}

/* Print-Specific Adjustments */
@media print {
@page {
size: 80mm 200mm;
margin: 0;
}

/* Request a 600dpi resolution for printing */
html {
image-resolution: 600dpi;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-rendering: optimizeLegibility;
}

/* Hide any non-print elements */
.no-print,
.print-btn {
display: none;
}
}



here is CSS for main invoice component

.page {
color: white;
padding: 0 1rem;
background: #f1f5f9;
width: 100%;


}

.page_content {
padding: 20px;
min-height: calc(100vh - 178px);
border-radius: 15px;
margin-top: -2rem;
background: white;
color: black;
}

.page_box {
min-height: 100px;
background-color: rgb(2, 42, 75);

border-radius: 10px;
font-size: 25px;
padding: 10px;

}

.example-container {

width: 100;
max-width: 100%;
overflow: auto;

}

table {
width: 100;
z-index: 1;
}


td.mat-column-star {
width: 20%;
padding-right: 8px;
}

th.mat-column-position,
td.mat-column-position {
padding-left: 8px;
}

.mat-mdc-table-sticky-border-elem-right {
border-left: 1px solid #e0e0e0;
}

.mat-mdc-table-sticky-border-elem-left {
border-right: 1px solid #e0e0e0;
}
td {
text-align: center;
}

th {
font-weight: bold;
text-align: center;
padding-left: 0;
padding-right: 0;
}

.search-box {
display: flex;
align-items: center;
border: 1px solid #3f9dcd;
border-radius: 20px 20px 0 0;
padding: 5px 15px;
background-color: #daebfa;
box-shadow: 0 2px 5px rgba(217, 242, 249, 0.2);
transition: all 0.3s ease;
}

.search-box:hover {
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}

.search-icon {
font-size: 28px;
font-weight: bold;
color:#023c58;
transition: transform 0.3s ease;
}

.search-icon:hover {
transform: scale(1.2);
}
th{
color: black;
}
.search-input {
flex-grow: 1;
border: none;
outline: none;
padding: 10px;
font-size: 16px;
color: #023c58;
background-color: transparent;
}

@media screen {
.print-only {
display: none;
}
}

@media print {
.print-only {
display: block;
}
}

@media print {
/* Ensure high-quality printing */
body {
-webkit-print-color-adjust: exact !important;
print-color-adjust: exact !important;
image-rendering: crisp-edges;
}

/* Make sure the receipt container is not being shrunk */
.receipt-container {
width: 80mm !important;
max-width: 80mm !important;
height: auto !important;
font-size: 10pt !important;
color: black !important;
background: white !important;
}

/* Prevent scaling issues */
.print-only {
transform: none !important;
filter: none !important;
}
}

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