227
DIAGNOSTICS
Printer Tests
These tests are used to check the print quality and operation of the printer.
NOTE: Your authorized service representative will typically run the tests.
They are described in more detail in the
Maintenance Manual
.
• Shift Recycle. A sliding alphanumeric pattern which identifies missing or
malformed characters, improper vertical alignment, or vertical
compression.
• All E's. A pattern of all uppercase E's which identifies missing characters,
misplaced dots, smeared characters, improper phasing problems, or light/
dark character variations.
• E's + TOF. A pattern of all E's followed by a form feed to the next page
top-of-form, which identifies paper motion or feeding problems.
• All H's. A pattern of all uppercase H's used to detect missing characters,
misplaced dots, smeared characters, or improper phasing.
• All Underlines. An underline pattern useful for identifying hammer bank
misalignment.
• All Black. A condition where all dot positions are printed, creating a solid
black band.
• Shuttle Slow. Verifies proper operation by exercising shuttle and ribbon
motion at low speed.
DIAGNOSTICS
(from page 60)
Printer Tests
Shift Recycle*
All E’s
E’s + TOF
All H’s
All Underlines
All Black
Shuttle Slow
Shuttle Fast
Shuttle Only
Phase Printer
Paperout Adj.
Burnin Test
Print Error Log
3
Clear Error Log
3
Adapter Test
1
Ethernet Test
Acoustics
2
Demo
Dice 5
Prnt Ribbon Log
Full Width*
80 col.
40 dots*
(4-76)
32 Megabytes
* = Factory Default
1
If Ethernet adapter is present
2
Not available in PCL-II or LG
3
Not available in LG
Test Width Paper Out
Dots
System
Memory
On: 144.9 Hrs.
Print: 8.3 Hrs
Print Strokes:
233441
Print Lines:
28250
11 inch Pages:
614
Print
Statistics