Sharp MX-M904 / MX-M1204 (serv.man6) Handy Guide ▷ View online
Density & Gradation Adjustment
SHARP
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13
Automatic Grey Balance Calibration - FACTORY MODE
Note: When adjusting grey balance adjustment before or after routine maintenance, always use the
recommended paper (Mondi 90gsm or equivalent) for optimum image quality.
HIGH DENSITY PROCESS CONTROL:
[Execute]
Sim 44-06
HALFTONE PROCESS CONTROL:
[Execute]
Sim 44-26
GREY BALANCE ADJUSTMENT:
Sim 46-74
[Engine & Printer]
FACTORY MODE
Place printed test pattern onto glass for both Copy &
Printer modes.
Manual Colour Calibration – SERVICE MODE
HIGH DENSITY PROCESS CONTROL:
[Execute]
Sim 44-06
HALFTONE PROCESS CONTROL:
[Execute]
Sim 44-26
GREY BALANCE ADJUSTMENT:
Sim 46-74
[Engine & Printer]
SERVICE MODE
Place printed test pattern onto glass for both Copy &
Printer modes.
GREY BALANCE MANUAL ADJUSTMENT:
Sim 46-21
[for Engine]
Sim 67-25
[for Printer]
Adjust K (17 points) for Copy & Printer Modes.
Density & Gradation Adjustment
14
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PRINTER DENSITY CHECK:
Sim 64-05
[PCL Printer]
Sim 64-06
[PS Printer]
SERVICE TARGET SETTING:
Sim 63-07
[for Engine]
Sim 67-27
[for Printer]
Scan Test Pattern to Register Custom Service Target
DEFAULT SETTING (Service Mode):
To return machine to “Standard” setting:-
STANDARD SERVICE TARGET SETTING:
[Execute]
Sim 63-08
[for Engine]
Sim 67-28
[for Printer]
GREY BALANCE ADJUSTMENT:
Sim 46-74
[Engine & Printer]
SERVICE MODE
Place printed test pattern onto glass for both Copy &
Printer modes.
Maintenance
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15
Consumable Quick Reference Guide:-
Total Maintenance
500K
1000K 1500K 2000K 2500K
Process
Drum
MX-850GR
x
x
x
Developer
MX-900GV
x
x
x
Developer Maintenance Kit
MX-900DK
Main Charge Kit
MX-900MK
Cleaning Blade Kit
MX-900CB
Paper Dust Removal Kit
MX-900PD
Filter Kit
MX-900FL
Waste Toner Collector
MX-850HB
Fuser
Fuser Maintenance Kit
MX-950KC
Heat Roller Kit
MX-950HK
x
x
x
Web Cleaning Kit
MX-950WC
Transfer
Transfer Belt Kit
MX-900TT
x
x
x
Maintenance Indications:
TA
Maintenance [All] Counter has reached specified limit
DK
Black Drum (Counter) has reached
the specified life.
Replace OPC Drum
Process
Section
(Drum)
VK
Black Developer (Counter) has reached
the specified life.
Replace Developer.
Process
Section
(Developer)
FK3
Fuser Web Cleaning Counter has reached
the specified limit.
Replace the Fuser Web
Cleaning Kit.
Fuser Section
Starting Powder:
The following starting powder should be applied to the relevant consumable item during maintenance:-
Starting Powder
OPC Drum
Primary Transfer Belt
MX-M904
MX-M1054
MX-M1204
MX-M1204
UKOG-0312FCZZ
[Stearic Acid]
UKOG-0312FCZZ
[Stearic Acid]
Maintenance
16
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Interval Checklist
500k
1000k
3000k Process Section:
x
Replace Developer [MX-900GV]
x
Replace OPC Drum [MX-850GR]
Replace Developer Maintenance Kit [MX-900DK]:-
• Doctor cover unit / DV seal.
• DV side seal F.
• DV side seal R.
• DV box filter.
• DV toner filter.
• DV side seal F.
• DV side seal R.
• DV box filter.
• DV toner filter.
Replace Cleaning Blade Kit [MX-900CB]:-
• Cleaning blade.
• Side seal F.
• Side seal R.
• Sub blade.
• Drum separation pawl x4
• Duct sheet.
• Side seal F.
• Side seal R.
• Sub blade.
• Drum separation pawl x4
• Duct sheet.
Relocate Drum Separation Pawl mounting position
Clean Before-Transfer Discharge Lamp.
Clean OPC Drum Surface Potential Sensor
Use Blow Brush or Dry Cloth – DO NOT CLEAN with Vacuum Cleaner
Replace Main Charge Kit [MX-900MK]:-
• Charger wire x2.
• Screen grid.
• Charger cleaner.
• Charger cushion.
• Cleaner base guide.
• Screen grid.
• Charger cleaner.
• Charger cushion.
• Cleaner base guide.
x
Clean Main Charger Case
x
x
Replace Main Charger Case
[PCASZ0326FCZ1]
x
x
Replace Process Unit Blade Side Seal Front
[PSEL-0992FCZ1]
and
Rear
[PSEL-0991FCZ1]
Replace Ozone Filter Kit [MX-900FL] :-
• Ozone filter
• Outlet filter.
• Outlet filter.
x
Sim 24-05
Clear Developer Print, Rotation & Day Counter
(only when Developer is replaced)
x
Sim 25-02
Toner Concentration Adjustment
(only when Developer is replaced)
Sim 24-04
Clear MAINTENANCE ALL Counter
x
Sim 24-04
Clear DRUM CRTG K Counter
(only when OPC Drum is replaced)
Sim 24-04
Clear DRUM BLADE K Counter
(only when Drum Cleaner Blade is replaced)
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