Toshiba e-STUDIO200L, Service Manual

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e-STUDIO200L/202L/230/232/280/282 TROUBLESHOOTING June 2004 © TOSHIBA TEC
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5.1.15 Service call for others
[C970] High-voltage transformer abnormality
(1) Is the main charger installed securely?
(2) Check if the spring of high-voltage supply contact point is deformed.
(3) Check if the needle electrode is broken or the main charger grid is deformed.
(4) Check if any foreign matters is on the needle electrode or the main charger grid.
(5) Is the transfer/separation charger installed securely?
(6) Check if the transfer/separation charger wire is broken or unhooked.
(7) Check if any foreign matter is on the transfer/separation charger wire.
[CDF0] Initialize error of the offset tray
(1) Check if each connector between the OCT motor and OCT board (CN261) is disconnected.
(2) Check if each connector between the OCT board (CN261) and LGC board (CN306) is discon-
nected.
(3) Check if each connector pin is removed or the harness is broken.
(4) Check if any conductor pattern on the OCT board and LGC board is short circuited or open cir-
cuited.
(5) Replace the OCT motor.
(6) Replace the OCT board.
(7) Replace the LGC board.
[CF60] Recycle toner transport area lock
(1) Check if any foreign matter or toner flakes are on the recycle toner transport area.
(2) Check if the auger or the gear is damaged on the recycle toner transport area.
(3) Check if the connector (CN305) is disconnected or the connector pin is removed on the LGC
board.
(4) Check if the harness is short circuited or open circuited.
(5) Replace the auger lock switch.
(6) Replace the LGC board.
[F090] SRAM abnormality on the SYS board
(1) Turn the power OFF and start up the Setting Mode (08).
(2) When the message “SRAM ERROR DOES IT INITIALIZE?” is displayed on the LCD, press [INI-
TIALIZE]. (SRAM is cleared.)
(3) Turn the power OFF and then back ON. If the error is not recovered, replace the SYS board.
[C940] Engine-CPU is abnormal
Is the “Call for Service” displayed even after the power is turned OFF and back ON?
#
NO Leave it and see what happens.
YES
1) Check if the circuit pattern between the Engine-CPU and FROM is short circuited or
open circuited.
2) Replace the LGC board if this error occurs frequently.