Manual for Impact 4550 PRO

Manual for Impact 4550 PRO

Brand: GLOBALIS

Category: Printer

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:42 p.m.

Manual Publish Date: 2016-02-01

Warranty Information

GLOBALIS assumes no liability for any damage caused by error or omission in this manual or incorrect use of the product.

Quick Reference: For experienced users needing a memory refresh on everyday operations like paper handling and font selection in normal mode. This section covers only the printer's normal mode, not setup mode.

Normal Mode Operation: Includes everyday tasks such as loading paper and selecting fonts. The printer defaults to normal mode upon startup.

Printer Operations (Normal Mode):
  • Enter Normal Mode: Turn the printer on. Press any button if the STANDBY lamp lights.
  • Place Printer Offline (Stop Printing): Press ONLINE so the lamp is off.
  • Place Printer Online (Start Printing): Press ONLINE so the lamp is lit.
  • Load Paper: Press LOAD.
  • Line Feed (Forward): Press LF/FF within three seconds.
  • Unload Paper to Park Position: Press LOAD.
  • Form Feed (Forward): Press and hold LF/FF until operation begins.
  • Eject Single Sheets: Press and hold LF/FF until operation begins.
  • Tear Off Forms: Press TEAR OFF, then press any button to retract forms.
  • Micro Feed (Backward/Forward): Press MICRO.
  • Select Print Mode: Press PRINT MODE.
  • Set/Reset High Impact Mode: Press HI IMPACT.
  • Select Paper Input Source: Press PAPER PATH.
  • Select Auto Adjusting for Paper Thickness: (LED type) Press AUTO GAP for 2+ seconds. (LCD type) Press GAP ADJUST.
  • Adjust for Paper Thickness Manually: (LED type) Press AUTO GAP until lamp is off. (LCD type) Press GAP ADJUST repeatedly.
  • Save Adjusted Load Positions: Press ONLINE and LOAD.
  • Select MENU1 or MENU2: Press PAPER PATH and HI IMPACT.
  • Clear Print Buffer: (LED type) Press FRONT DIR and AUTO GAP. (LCD type) Press HI IMPACT and PRINT MODE.
  • Reset Power-On Defaults: Turn printer off, then on.
  • Start/Stop/Resume Printing: Start: Send print command. Stop/Resume: Press ONLINE.
  • Resume Printing After Paper: Press ONLINE.
  • Enter Setup Mode: (LED type) Press SET UP. (LCD type) Press SET UP.
  • Enter Font/Pitch/Quality Setting Mode: (LCD type only) Press FONT/PITCH.
  • Exit to Normal Mode: Turn printer off. Press LF/FF while turning printer on.
  • Self-Test Printing: Pause/Resume: Press LOAD. Exit: Press ONLINE.

Troubleshooting and error codes

Problem Solution
Print Quality Problems
Print too light
  • Adjust print head gap.
  • Replace ribbon cartridge.
  • Clean the print head.
Print too heavy
  • Adjust print head gap.
Vertical misregistration
  • Adjust continuous forms settings.
  • Adjust forms tractor.
  • Adjust print position.
Horizontal misregistration
  • Adjust print position.
Unsatisfactory spacing
  • Adjust print position.
Incorrect character shape
  • Select correct print mode.
  • Select correct command set.
Paper Handling Problems
Paper does not feed
  • Load paper correctly.
  • Check paper guides.
  • Install tractor unit.
  • Select correct paper input source.
Paper jams
  • Do not use torn or creased paper.
  • Check paper thickness setting.
  • Do not use too much paper.
  • Load paper correctly.
Tearing forms
  • Use TEAR OFF button.
Operating Problems
Printer does not turn on
  • Check power cord connection.
Printer is offline
  • Press ONLINE button.
Buffer error
  • Clear print buffer.
Printer error
  • Refer to error messages or codes.
  • Contact dealer.
Printer Failures
Excessive heat, smoke, or strange noise
  • Discontinue operation immediately.
  • Turn off power and disconnect plug.
  • Contact dealer.
Foreign object in printer
  • Turn off power and disconnect plug.
  • Contact dealer.
Dropped or damaged printer
  • Turn off power and disconnect plug.
  • Contact dealer.
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