- Ultra Electronics Printers Instructions

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3461/07/01 ISSUE 2 PRINTHEAD INSTALLATION & COMMISSIONING SPEC. DCR No. 26106

MAGICARD PRINTER

INSTRUCTIONS FOR REPLACEMENT OF

PRINTHEAD AND PRINTHEAD ASSEMBLIES

WARNING

- The Magicard colour printer contains hazardous voltages.

CAUTION

- The following procedures involve contact with Electrostatic Sensitive

Devices. All Precautions for handling Electrostatic Sensitive Devices should be

followed at all times, including the use of a grounded wrist strap.

HOW TO USE THESE

INSTRUCTIONS

The following procedures are intended to be used for replacement of Magicard

Thermal Printheads and

Magicard Thermal Printhead Assemblies.

If replacing a Thermal Printhead Assembly

do NOT carry out those parts of this

document written in italics

. These procedures, for head angle adjustment, require some

previous Magicard product training or experience, and must not be undertaken by end

users. Therefore end users are supplied with replacement Printhead Assemblies, which

have already been adjusted for correct head angle.

Summary of content (8 pages)

PAGE 1
MAGICARD PRINTER INSTRUCTIONS FOR REPLACEMENT OF PRINTHEAD AND PRINTHEAD ASSEMBLIES WARNING - The Magicard colour printer contains hazardous voltages. CAUTION - The following procedures involve contact with Electrostatic Sensitive Devices. All Precautions for handling Electrostatic Sensitive Devices should be followed at all times, including the use of a grounded wrist strap.
PAGE 2
1. (a) Removing the cover Magicard 300 and Sprinter models. (1) Set the printer On/Off switch to off(0) and isolate from the mains supply. Remove the card cassette and Dye-Film from the printer. (2) Position the printer on its side with the rear of the printer facing towards you and remove the five securing screws from the base of the printer plus the two at the rear of the printer. (3) Place the printer on its base with the front of the printer facing towards you.
PAGE 3
1. (b) Removing the cover Magicard Turbo models. (1) Set the printer On/Off switch to Off(O) and isolate from the mains supply. Remove the card cassette and the Dye-Film from the printer. (2) Position the printer upside down with the rear of the printer facing towards you and remove the four securing screws from the base of the printer plus the eight at the rear of the printer. (3) Position the printer with the front panel facing upwards.
PAGE 4
2. Removing old printhead/assembly (1) Remove the dye-film and dye-film carrier from the printer. (2) If a tye-wrap is fitted to the grey ribbon cable plug on the back of the printhead, cut this tye-wrap taking great care not to cut the ribbon cable itself. (3) Disconnect both cables from the printhead. (4) If a head bar is fitted, remove the securing screw at each end and lift away the head bar. This should leave the earthing strap loose at the right hand side of the chassis cover.
PAGE 5
3. Fitting the new printhead to the heatsink assembly (Magicard Dealers Only) CAUTION - The following procedures involve contact with the new printhead, all precautions for handling Electrostatic Sensitive Devices should be followed at all times, including the use of a grounded wrist strap. Furthermore great care must be taken not to touch or damage the printing elements of the printhead.
PAGE 6
(3) Check that the springs at the back of the printhead assembly are neatly compressed and are not bulging outwards or inwards. If they are bulging the assembly will have to be removed and refitted again until they remain neatly compressed. (4) If a head bar was fitted, refit it with its two securing screws ensuring that the left hand screw is also fitted through the terminal of the printhead earthing strap (Loctite 222 threadlocker should be used on these screws).
PAGE 7
(4) The printhead angle has been factory set. In order to ensure that it is still correct, compare the test card with the images on the back page of this document. N.B. If your test card shows a completely different test image from those on the back page, you will need to download the correct test image from the Ultra website at www.ultra.co.uk/support . This image can then be printed from any paint package on your PC.
PAGE 8
7. And finally..... If your new thermal printhead fails to produce a good test image after following the above steps then please contact your supplier. Too Positive Dark patches stressing out from the rear edge of the green square (watermarking). These patches have many jagged edges. Plus possibly a dark patch at the front of the grey square,. SOLUTION: Decrease head angle by 1 or 2 degrees.