Ricoh M281 Series Service Manual page 651

3.4 MAIN SP TABLES-3
3.4.1 SP3-XXX (PROCESS)
3900 [Drum Refresh]
3-900-001 On
3-900-002 Off
3901 [Drum Refresh]

(UP) MP 501/601: [User Tools] -> [Machine Features] -> [Maintenance] ->
[Drum Refresh]

SP 5300/5310: [Menu] -> [Maintenance] -> [Quality Maintenance] ->
[Drum Refresh]
3-901-001 -
3902 [Auto Drum Refresh]

(UP) MP 501/601: [User Tools] -> [Machine Features] -> [Maintenance] ->
[Auto Drum Refresh]

SP 5300/5310: [Menu] -> [Maintenance] -> [Quality Maintenance] ->
[Auto Drum Refresh]
3-902-001 -
3903 [Altitude Adjust]

(UP) MP 501/601: [User Tools] -> [Machine Features] -> [Maintenance] ->
[Altitude Adjustment]

SP 5300/5310: [Menu] -> [Maintenance] -> [Quality Maintenance] ->
[Altitude Adjustment]
3-903-001 -
SM Appendix
ENG [0 or 1 / 0 / 1 / step]
ENG [0 or 1 / 0 / 1 / step]
ENG [0 or 1 / 0 / 1 / step]
ENG [0 to 3 / 2 / 1 / step]
ENG* [0 to 2 / 0 / 1 / step]
3-11
Main SP Tables-3
D255/D256/M281/M282