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Troubleshooting 4-7
NovaJet 500/630/700 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
TROUBLE-
SHOOTING
Image Skews or
Moves
• dirty encoder clean encoder
strip strip (top and
bottom)
Does Not Print
• bad connection reseat cable
between computer connections on
and printer computer and
printer
• firmware is refresh EEPROM
corrupted firmware with new
download
• faulty quad flex replace quad flex
cable cable or complete
carriage assembly
• bad MPCB replace MPCB
Ink Cartridge
Misfiring
• cartridge low on refill or replace
ink cartridge
• firing rate set adjust firing rate
too fast lower (optimum
is 5)