Seiko Epson Corporation Impact Receipt Printer TM-U220B

Ribbon Frame and Print Head Removal

Remove the ribbon frame spring (1022)

Remove 1 E-ring 4 (E03) and the ribbon frame assembly (519)

Remove the print head unit (503)

Lubricate the carriage sub assembly (1025) with O-13

Remove the right and left adjustment roller shaft holder (506)

Pull out the carriage shaft (1027)

Remove the head FFC (521) from the carriage sub assembly (1025)

Unpack the ribbon cassette and turn the knob to take up any slack

Open the ribbon cassette cover of the printer using the tabs on each side

Remove the old ribbon, if present

Insert the new ribbon cassette and push it down until it clicks

Is the ribbon installed between the print head and the platen without wrinkles or creases?

Disassemble NE detector and roll paper guide

Turn the NE detector adjustment screw (1040)

Are all components removed successfully?

Describe any issues encountered during disassembly

Disassembly of Cover and Roll Paper Assembly

Push and take out the Shaft, lever open (1001)

Remove the Cover, roll paper assembly (119)

Removal of Ribbon Cover and Top Case

Remove the Case, top (108) and Cover, ribbon (109) together

Remove the paper end assembly (514)

Remove the roll paper holder plate (508)

Remove the roll paper holder (1010)