GR Drum Compatibility

There are several GR drums, most of which are not universally compatible. Use the following charts to determine compatibility with your machine. 

Chart Key:
O = Compatible
X = Incompatible

DrumPart #GR3770GR3750GR2750GR2710GR1750GR1700
GR3770 BlackOXXXXX
GR Color Drum A3 (w)OOXXXX
GR Drum B4/A4XXOOOO
GR 3770 Black A4 WideOXXXXX
GR Color Drum A4 WideOOXXXX

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