HP 9845B/C CE Handbook page 46

4-2
984SB/C Mainframe Troubleshooting
Checkpoint Page
Tape-
Ribbon Cables Connected
Good Fuse on A61
Clean Read/Write Head
Data Cartridge Not Damaged
Tape Free of Wrinkles
Sense Lamps Turned On
Printer-
Proper Paper Installed 2-14
Paper Correctly Installed 2-14
Spacer Used if Metric Paper Installed 2-14
Print Head Assembly Compatible with ASS or AS2 Assembly 7-3
Correct Print Head Alignment 6-1
Interfacing-
Good Fuses on A2
Correct Select Code 2-9
General Situations;
Wiring,
Ground Wires Properly Connected
Ribbon Cables Correctly Installed
Insulation Intact
Tight Connections On Terminal Boards and Spade Lugs
PC Assemblies,
Edge Connectors Clean
Fully Seated in Motherboard
Cooling,
Air Filters Clean
Fans Turning/Drawing Air
Cleanliness,
All Areas Free of Dust, CorroSion, and Contamination
Software,
Program Compatible With Configuration 3-3