Contents

Cleaning the Printhead

625

Replacing the Printhead

626

Maintenance Cartridge

633

Maintenance Cartridge

633

Replacing the Maintenance Cartridge

633

Checking the Remaining Maintenance Cartridge Capacity

638

When to Replace the Maintenance Cartridge

639

Cleaning the Printer

640

Cleaning the Printer Exterior

640

Cleaning Inside the Top Cover

641

Cleaning the Paper Retainer

644

Cleaning Spurs Used in Paper Feeding

645

Cleaning the Printhead

648

Other Maintenance

649

Preparing to Transfer the Printer

649

Updating the Firmware

653

Troubleshooting

654

Frequently Asked Questions

654

Frequently Asked Questions

654

Problems Regarding Paper

656

Clearing Jammed Paper (Paper Feed Slot)

656

Clearing Jammed Roll Paper

657

Clearing Jammed Paper from the Tray

661

Roll paper cannot be inserted into the Paper Feed Slot

664

Cannot Load Sheets

664

Paper is not cut straight

664

Paper cannot be cut

664

Depression on the leading edge is left

664

Roller marks are left across the trailing edge of paper

664

Printing does not start

665

The Data lamp on the Control Panel does not light up

665

The Printer Does Not Respond Even if Print Jobs are Sent

665

The Display Screen indicates the system is filling with ink

665

The printer stops during a print job

666

An error message is shown on the Display Screen

666

The printer ejects blank, unprinted paper

666

Problems with the printing quality

667

Printing is faint

667

Paper rubs against the Printhead

668

The edges of the paper are dirty

669

The surface of the paper is dirty

670

The back side of the paper is dirty

670

Roller marks are left across the trailing edge of paper

670

Contents ix

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Canon 3175B002 user manual Troubleshooting 654