Toshiba e-STUDIO2820C Service Handbook page 366
Multifunctional digital color systems
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Also See for e-STUDIO2820C:
- Service manual (1246 pages) ,
- Service handbook (546 pages) ,
- Management manual (226 pages)
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[CE71] Drum phase adjustment abnormality
Check if the error is cleared after the power has been turned OFF and then back ON.
Is the drum motor (M10) operating properly? (Perform the output check: ON 03-101 / OFF 03-
151.))
(Check the operation after removing all process units (EPU (Y, M, C, K))).
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NO
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YES
Rotate the drum of each EPU in the direction of the arrow once. (See the figure below.) If the
rotation of the drum is extremely heavy or not smooth, check if the mechanism of the EPU is
normal.
Are the drum phase sensors (Color drum phase sensor (S43) and K drum phase sensor (S44))
are operating properly? (Perform the input check: Color 03-[1] [F] / K 03-[1] [E].)
NO
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YES
1. Check if the drive gears are installed properly. (Check if the mark on each gear is aligned
with the area of the punched mark on the frame.)
2. Check if the actuator is installed properly.
3. Check if the LGC board is short circuited or open circuited.
4. Replace the drum motor.
5. Replace the LGC board.
e-STUDIO2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
1. Check if the connector of the motor and joint connectors are disconnected.
2. Check if the connector (CN332) on the LGC board is disconnected.
3. Check if their drive gears are damaged or if they contact with the equip-
ment. Correct if any.
4. Check if the LGC board is short circuited or open circuited.
5. Check if the connector pins are disconnected or the harnesses are open
circuited.
6. Replace the drum motor.
7. Replace the LGC board.
1. Check if the connector of the drum phase sensors (S43/S44) and joint con-
nectors are disconnected.
2. Check if the connector (CN339) on the LGC board is disconnected.
3. Check if there is any foreign matter such as grease in the detection area of
the drum phase sensors (S43/S44).
4. Check if the LGC board is short circuited or open circuited.
5. Check if the connector pins are disconnected or the harnesses are open
circuited.
6. Replace the drum phase sensors (S43/S44).
7. Replace the LGC board.
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