Datamax ST-3306, SV-3306, ST-3210, SV-3210 manual Cleaning the Printhead, ST Models Raise

4.4.1Cleaning the Printhead

Declining print quality (i.e., dropouts, streaking, or smudging) is usually caused by a surface build-up of dirt on the printhead; see Section 3.5.2 for an example. Left unattended, this build-up can lead to permanent printhead damage. To clean:

Œ Turn ‘Off’ and unplug the printer.

• ST Models: Raise the

access cover; see

Section 3.2.

Ž Slide the Printhead

Latch to the Unlocked

position then raise the

Printhead Assembly.

•Gently clean the Printhead, including the Burnline, using a cotton swab moistened with isopropyl alcohol to remove all build-up.

•Allow to dry; then lower the Printhead Assembly and slide the Printhead Latch forward to the Locked position.

‘ST Models: Close the access cover.

’Plug in and turn ‘On’ the printer.

þNote: NEVER use a sharp object to clean the Printhead.

32 ST/SV-3210 and ST/SV-3306