The ensuing is print quality problem frequently encountered of Samsung printer ML-84/85/85G/1010H/1520P printer: Light or faded print, Toner specks, Dropouts, Vertical lines, background, Toner smear, Vertical repetitive defects, ghost, Page skew, Curl or wave, Wrinkles or creases, Back of printouts aredirty, Loose toner, Character Voids, Horizontal stripes, Curl, Stains on Back of Page , Blank pages printout, Background …
Currently, Samsung printer ML-84/85/85G/1010H/1520P very rarely used. The printer model is out of date. It is mono laser printer. However, I would also guide the handling of the problems encountered when printing so that people can refer to
The coming, I will introduce three basic errors with printing quality problems of Samsung printer ML-84/85/85G/1010H/1520P printer & "How to restore it". With other print pages errors, you presentation at "Samsung printer ML-84/85/85G/1010H/1520P Service Repair Manual"
After viewed artical, you know:
– How to restore (repair/solve) Light or faded print when printing by Samsung printer ML-84/85/85G/1010H/1520P printer
– How to mend (repair/solve) Vertical black line and band when printing by Samsung printer ML-84/85/85G/1010H/1520P printer
– How to meliorate (repair/solve) Dark Image or black when printing by Samsung printer ML-84/85/85G/1010H/1520P printer
– How to repair (repair/solve) Light image when printing by Samsung printer ML-84/85/85G/1010H/1520P printer
Before fix print quality problems for Samsung printer ML-84/85/85G/1010H/1520P you should perform as follows:
– Unplug connector between printer & power source, cable usb
– Clear all document printing.
– Take out toner printer cartridge out of printer
– Do not excessive force on components made of plastic, they may break.
1. How to meliorate print quality problem "Vertical black line and band" for Samsung ML-84/85/85G/1010H/1520P printer
Description Vertical black line and band: On the printed page have straight thin black vertical line and dark black vertical band.
Error location: LSU unit, developer, transfer roller, OPC drum, Toner cartridges
Cause of error "Vertical black line & band" on the printed page:
1. LSU unit has occur problem or simply dirty
2. Damaged develop roller in the developer. Deformed Doctor-blade or cleaning blade.
3. Scratched surface of the discharge roller in the developer.
4. Partly depression or deformation on the surface of the transfer roller
5. Test if there are grooves on the circumference of the OPC drum.
6. Test if the cleaning blade is damaged (curve)
How to fix(fix) "Vertical black Line and Band" for Samsung ML-84/85/85G/1010H/1520P printer:
1. Clean the LSU unit by soft cotton cloth and try to print. If printed pages still faulty as initial you should change new LSU unit or contact a service representative.
2. If causes are cause 2nd & 3rd, you need change new axis developer and try to print
3. If causes are cause 4nd, you need renew transfer roller.
4. Regenerate the OPC drum & check again.
5. Change cleaning blade. If still error then you should renew genuine toner cartridge
2. How to mend print quality problem "Dark Image or black" for Samsung printer ML-84/85/85G/1010H/1520P printer
Description Dark Image or black: The printed page is dark or full black.
Error location: OPC drum, HVPS unit
Cause of error "Dark Image or black" on the printed pages:
1. No charge voltage in the HVPS board
2. Charge voltage is not turned on due to the bad contact between power supply in the side of the developer & charge terminal of HVPS
3. VD0 signal of the Main PBA is Low state
How to fix(fix)"Dark Image or black" on the printed page for Samsung printer ML-84/85/85G/1010H/1520P printer:
1. Clean the high voltage charge terminal
2. Test the state of the connector which connects the engine board and HVPS.
3. Change the HVPS if not solved by the on top of direction 1 and 2
4. Replace the LSU Unit or Main PBA.
3. How to repair print quality problem "Light image" for Samsung printer ML-84/85/85G/1010H/1520P printer
Description: The printed page is light & no ghost
Error location: Developer, HVPS
Cause of error "Light image" on the printed page
– Toner save enabled.
– Develop roller is stained when the toner of developer printer cartridge is almost consumed
– Temperature in room is below than 10*C
– Bad contact caused by the toner dirty between the high voltage terminal in the HVPS & the one in the set
– Abnormalities output from the HVPS
How to fix(fix) error "Light image" on the printed pages for Samsung ML-84/85/85G/1010H/1520P printer:
– Disable toner save. You can check & disable it in printer preferences
– Replace the new developer and try to print out
– After printer is power on, please wait 30 minutes then start printing
– Clean up the dirty area by the toner
– Replace the new HVPS if the problems are not solved by the on top of four directions
4. How to meliorate print quality problem "Loose toner" for Samsung ML-84/85/85G/1010H/1520P printer
Description: After printing, the letters on the printed loose toner
Error location: Fuser unit, toner cartridge
Cause of error "Loose toner" on the printed page
– Toner powder you operate to toner refill for toner printer cartridge not compatible, damage the cartridge
– Temperature of fuser unit is too low not "cooked" toner powder
– Paper feed is bad quality
How to fix(restore) error "Loose toner" on the printed pages for Samsung ML-84/85/85G/1010H/1520P printer:
– Replace new genuine toner printer cartridge.
– Replace new fuser unit
– Use good quality paper than
5. How to restore print quality problem "Light or faded print" for Samsung ML-84/85/85G/1010H/1520P printer
The ensuing conditions cause a printer to light print :
1. If the entire pages is light or faded:
– May be the toner save mode is enabled.
– May be inside of your printer may be dirty.
– Paper is bad quality
2. If a vertical white streak or faded area appears:
– May be toner is low
– May be inside of your printer may be dirty.
To correct this problem, try the following steps in order. Pass each step, close the cover printer, turn on it, & then print a test page to see if the problem has been corrected.
– Disable the toner save mode. This mode can be turned on/off in printing preferences.
– Clean the inside of the printer with a dry, soft cloth
– Replace the toner cartridges. Or Pay savings, you must toner refill for toner printer cartridge Samsung ML-84/85/85G/1010H/1520P printer. Then regenerate new toner chip congruous with the printer or reset toner chip Samsung printer ML-84/85/85G/1010H/1520P or upgrade firmware mend (reset fix mend) for Samsung printer ML-84/85/85G/1010H/1520P
– Choose paper is good quality
If the steps on top of don’t resolve your problem, you must call to technician to meliorate printer.
More details, you view in "Samsung ML-84/85/85G/1010H/1520P Service Repair Manual".
Samsung printer ML-84/85/85G/1010H/1520P Service Repair Manual document very important with technician when meliorate, disassemble (removable) components the Samsung printer ML-84/85/85G/1010H/1520P printer. "Samsung ML-84/85/85G/1010H/1520P Service Repair Manual" guide technician remove and setup components internal Samsung printer ML-84/85/85G/1010H/1520P printer, providing them knowledge intensive the component, how to take apart and repair bugs in the process of using Samsung printer ML-84/85/85G/1010H/1520P printer that the user themselves can not restore.
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