Service manual
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4
Symptom Action Assembly/disassembly precautions Adjustment
Does not power on
Power goes off immediately
after power on
Replace AC adapter/logic board - Be careful of electrostatic damage
- Set waste ink counter (see
3.2.1)*
1
- Set destination (see 3.3.2)
Head not recognized
Does not return to home
position
Remove/install print head or replace print
head/carriage unit
- Be careful of ink stains
- Do not loosen or remove red screws
- There must be no grease on code strip
Abnormal noise Remove debris/correct loose parts
Operation
error
Printing stops before
completing
Replace logic board - Be careful of electrostatic damage
- Set waste ink counter (see
3.2.1)*
1
- Set destination (see 3.3.2)
Multiple sheets are fed
together
Replace ASF
Paper does not feed Remove debris/replace ASF - Be careful that spurs do not come off
Feed error
Paper skews
Remove debris/adjust paper guide
position
Does not print at all/no color
Replace print head/ink tank/logic
board/purge unit
- Be careful of ink stains
- Be careful of electrostatic damage
- Set waste ink counter (see
3.2.1)*
1
- Set destination (see 3.3.2)
Scratches or white streaks
appear even after cleaning
Lines not in data printed
Remove/install print head or replace print
head/ink tank/purge unit/carriage unit
- Be careful of ink stains
- Do not loosen or remove red screws
- There must be no grease on code strip
Paper is soiled
Pass few sheets of paper/clean paper path
with cloth or replace platen absorber/
purge unit
- Be careful of ink stains
Spur tracks appear Replace platen unit - Be careful not to bend spur tips
Missing lines Replace ink tank/head - Be careful of ink stains
Bad coloring Replace print head - Be careful of ink stains
Printing overlapped Replace platen unit
Black ink not ejected Refresh print head/replace print head - Be careful of ink stains
Print
result
error
Figures/characters stretched
Clean grease on code strip or replace
carriage unit
- Do not loosen or remove red screws
- There must be no grease on code strip
*
1
: i950 only