Gear Slip - Riso ComColor IS900C Instruction Manual

X12-1055 Gear slip
X12-1055: Paper being transferred did not reach vertical paper feed sensor 3 in time, based on the transfer speed
X12-1055-1: Paper comes from tray2, X12-1055-2: Paper comes from tray3
Totally 4 one-way clutch gears are used in the internal paper feed unit, when they slip, X12-1055 occurs.
If X12-1055 still occurs after cleaning inside of the gear, rough up the roller shaft with course sand paper (80 grit)
Clean inside
613-00003-000 PULLEY ; M1X22+30S2M
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Maintenance
Paper Jam
Rough up