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Maintaining the printer
Warning—Potential Damage: Failure to maintain optimum printer performance, or to replace parts and supplies,
may cause damage to your printer.
Ordering parts and supplies
To order parts and supplies in the U.S., contact Lexmark at 1-800-539-6275 for information about Lexmark authorized
supplies dealers in your area. In other countries or regions, go to
www.lexmark.com or contact the place where you
purchased the printer.
Ordering a toner cartridge
When a message on the printer display indicates which toner cartridge needs to be replaced, order a new toner cartridge
immediately.
For information on replacing a toner cartridge, see the instruction sheet that came with the supply.
Estimated cartridge yield is based on the ISO/IEC 19798 standard (with about 5% coverage per color). Extremely low
print coverage (less than 1.25%) for extended periods of time may negatively affect actual yield for that color and may
cause cartridge parts to fail prior to exhaustion of toner.
Part name Lexmark Return Program Cartridge Regular cartridge
Cyan Toner Cartridge
Cyan High Yield Toner Cartridge
*
C746A1CG
C748H1CG
C746A2CG
C748H2CG
Magenta Toner Cartridge
Magenta High Yield Toner Cartridge
*
C746A1MG
C748H1MG
C746A2MG
C748H2MG
Yellow Toner Cartridge
Yellow High Yield Toner Cartridge
*
C746A1YG
C748H1YG
C746A2YG
C748H2YG
Black High Yield Toner Cartridge C746H1KG C746H2KG
*
These toner cartridges are supported only in C748x printer models.
Ordering a photoconductor
A message will appear on the printer display when a photoconductor needs to be replaced.
For information on replacing a photoconductor, see the instruction sheet that came with the supply.
Part name Part number
Photoconductor C734X20G
Photoconductor, Multi‑Pack C734X24G
Notes:
• All four photoconductors should be replaced at the same time.
• Reset the maintenance counter back to zero after installing the four new photoconductors.
Maintaining the printer 176
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