Problem of Dot Matrix Printer
Problem1: Not printing (Windows)
Reason:
Þ Windows driver fault (Printer driver)
Þ Printer not installed
Þ Driver corrupt
Þ Windows corrupt
Solution :Now go to DOS mode (shut down & DOS)
C:>try to print here
C:>type ram.txt >prn
C:>type ram.txt >LPT1
C:>type ram.txt >COM1
Problem2: If not printing
Reason:
Þ Cable fault
Þ Port not activated
Þ Printer fault
Solution : If not printing in DOS & Windows
Now we do printer self test
Problem 3:How to get self test print out
Self test of printer is a process for to print printer specification (Keyboard Patten without PC.
Step:
Þ Insert paperàoff printer
Þ Press LF/FF or eject button
Þ Now on printer
If printing then printer is 99% ok
So check for windows driver or cable etc
Problem 4:How to check that printer is properly installed
Solution : (Driver)
§ Settingàprinter
· àOpen àproperties
Problem 5:Not printing (Assuming that these are no any fault in PC)
Do a self test
Þ Insert paper
Þ Press LF/FF and on printer
Þ It will print a self test 99% ok
Problem 6: If not printing àrefer to chip level
Þ RAM(printer fault(Buffer)
Þ Connector problem
Þ Connector problem
Þ Connector chip failure
Problem 7: Test page printing but not printing with PC
Þ Buffer problem (chip level)
Þ Connector problem
Þ Cable problem
Þ Driver problem
Problem 8: very light print out à
Þ Carbon ribbon old or dry
Þ Resolution is low
Þ Lever set to multi paper whimulti-paper single paper
Þ Pins rubbed out (Head old)
Solution:
Þ Change ribbon,
Þ set resolution max(240×120,120×120,120×60)
Þ set dark to 70%
Þ set lever according to paper size thinness
Þ if rubbed out them replace head
Problem 9
Þ Belt loses
Þ Shaft become dry (lubricant required )
Þ Pully which responsible for move ribbon (cartridge) is loose
Þ Belt old(teeth rubbed)
Solution: Apply swing machine oil as lubricant
Problem 10 Aà |
Þ Motor
Þ Belt
Þ Shaft
Þ Chip(controller )
Problem 11: Line Missed
Þ Pin broken (any particular)
Þ Pin stack
Þ Pin bended (bent )
Þ Data cable damaged
Problem 12 : Ribbon damage in frequently
Þ Ribbon cartridge faulty (Ribbon not mobbing)
Þ Pin damaged
Þ Roller became harder
Solution: Clean with head cleaner by cotton wool
Problem 13 : Paper not loading
Þ Paper sensor bad
Þ Roller motor bad
Þ Roller became slippery(No grip)
Solution: Roller grip less , clean with head cleaners
Problem 14 Paper not ejecting after print
Þ Sensor problem
Þ Page size problem
Solution: Composed document (page setup) & printer setting (page Setup)
Print option
o Paper setup
o Resolution
o Layout (land scale , portrait )
Problem 15: Printing on Roller
Þ Paper smaller than page setup and sensor problem
Þ Printer confused
Þ Printer hanged
Þ Paper width is less or paper loaded incorrect
Solution:
Must off the printer half minute
Problem 16: Tractor not working
Þ Gear problem
Þ Selector switch problem
Þ Sensor problem (Selector)
Problem 17 :Control button not functing
Þ Printer hanged
Þ Controller bad
Problem 18: Print out not matched
Þ Buffer problem
Þ driver problem
DESKJET or INKJET PRINTER PROBLEM
Problem 1 Not printing
Solution self test print
o hold paper button
o On power button


Problem 2 à
Hole blocked
Þ Contact point fault
Solution: Use head cleaners software if will print a pully black
paper and head became cleaned
Note: After cleaning head will print same letter use light
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Problem 3: à
Þ Same as DOT Matrix
Solution Run head alignment software, which not matched


Þ Same as DOT Matrix
Þ Encoder strip problem
Solution: Do not touch with open hand otherwise may new strip
Problem 5 :Color not marching
Þ Driver mismatching
Þ Duplicate cartridge
Þ Print option problem
Solution:
Þ Always use same type original cartridge
Þ Do not refilling
Þ Print option
o Monitor color
o Normal
o Real color
o Resolution (DTP)
o Economy: low (Better quality),Normal(Text or photo),High(Dull Quality)
Problem 6 I as oy
I am a boy
Solution
Þ Encoder strip problem
Problem 7: Helloà
Þ Paper problem
Þ Duplicate Cartridge
Solution:
Always use any paper which specially for DeskJet printer. Do not contact the document with water (humanity)
Problem 8: Helloà
Þ Color cartridge is not installed properly(not detected by PC)
Þ Cartridge not alignment (By Software )
Solution: Alignment problem, Reinstall Driver, Properly select cartridge
Type
Problem 9:
Þ Head alignment problem (try software ) this problem persist only in graphics )
Solution:
Head alignment
Problem10: If two cartridge but printer using only color one
Þ File contain any item which is not exactly black
Solution: Reinstall Driver
Problem11 Hello àHello
Þ Paper not moving
Þ Roller problem
Þ Motor problem
Note :Never use too thin or thinness .Never use paper having less size Than 4”x4”.

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