IBM PCjr

Error
Description
Smudged
Printing
Uneven
Printing
No bottom
of character
Left/right
of print
line
Diagnostic Action
1. Check ribbon cartridge for:
— Jammed
— Seated improperly
— Excessive ink
— Oily or dirty
2. Check for dirty, oily, or damaged platen.
Replace print mechanism if platen is
damaged. See Section 4, "Removal/
Replacement and Adjustments."
3. Check for dirty print head and print wires.
Clean if dirty.
4. Check for dirty or bent ribbon shield and
replace shield if damaged. See Section 4,
"Removal/Replacement and Adjustments.'
5. Visually check for worn or broken ribbon
drive gears and replace carriage drive
assembly if damaged. See Section 4,
"Removal/Replacement and Adjustments.'
1. No adjustment can be made; replace print
mechanism assembly. See Section 4,
"Removal/Replacement and Adjustments.'
3-1400-18 Graphics Printer