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agan delivered to the Charged roller thru Charged roller spring(G) and conductive charged
roller bushing(H). The drum surface is charged approx. -200V by the charged voltage.
Also the drum is supplied with -200V of core voltage which is delievered from HVPS to
Drum surface thru Drum supply spring(A) and Drum shaft(B). This core voltage is supplied
for more soft effects on the halftone images, and prevent some duplicated image from the
remaining toner due to any separate anti-static cleaning lamps.
Voltage Supply to Toner Cartridge
The toner cartridge is supplied with voltage in 3 ways. The Developer roller is supplied with
necessary voltage thru Developer voltage supply spring(A), the Add roller thru Add voltage
supply spring(B) and Add roller contact plate() as well, and the Doctor blade thruDB voltage
supply spring(C) and DB contact plate(F) as well.
Replacement of Toner Cartridge and Drum Unit
Drum Unit
The drum cartridge shows an error message "Replace Drum Ctg" informing the user that it
is time to replace the toner cartridge in case the number of print goes over 45,000 sheets
calculated based on the printing condition of A4 size and 5% coverage chart. If it exceeds
50,000, the printing is not possible any more. If the Drum counter can be reset without
replacing the toner cartridge, you can go on printing using the old drum cartridge, but the
printing quality is not gauranteed any more.
Summary of Contents for M611
Page 1: ...FIELD SERVICE MANUAL M611 M616 M612 M617 CS 2014 6 13 CE Confid ential...
Page 20: ...14 MFP Overview MFP Components...
Page 22: ...16 Paper Path 1 Output bin 2 Manual Tray 3 Base Unit Tray 4 Optional Tray Unit 5 Duplex Unit...
Page 43: ...37...
Page 88: ...82 3 24V Output Section...
Page 89: ...83 4 5V Output Section...
Page 90: ...84 5 AC Drive Section 6 Switching Section...
Page 91: ...85 Circuit HVPS Input Section 1 PWM Input Section...
Page 92: ...86 2 RCC Control Drive Section...
Page 93: ...87 3 High Power Output Section 4 TX SENSING...
Page 94: ...88...
Page 128: ...122 Removing Optional Acufeed Unit 1 Remove 2 harnesses and then 5 screws A...
Page 137: ...131 4 Separate the Exit frame with releasing the left and right side bolts...
Page 138: ...132 5 Release the harness bolts which are jointed to the fusing frame...
Page 157: ...151...
Page 214: ......