Media Sen Ref. Pts Not Initialized (Nj880 Only); Image Skews Or Moves; Does Not Print - ENCAD NovaJet 800 Series Service Manual

Table 4-1. Troubleshooting Table (cont).
Symptoms
Media Sen Ref. Pts
Not Initialized
(NJ880 only)
Image Skews or
Moves

Does Not Print

NovaJet 800 Series Service Manual
Possible cause
• reference points
were accidentally
cleared
• dirty encoder
strip
• defective encoder
strip
• bad connection
between computer
and printer
• firmware is
corrupted
• defective trailing
cable assy.
• faulty quad flex
cable (either left
or right carriage
assembly.)
Solution
reset all eleven refer-
ence p9oints by per-
forming the Media
Ref Pts. Alignment
clean encoder
strip (top and
bottom)
replace encoder
strip
reseat cable
connections on
computer and
printer
refresh EEPROM
firmware with new
download (in contin-
uous run state)
replace trailing
cable assy.
replace quad flex
cable or complete
carriage assembly
Troubleshooting 4-8