柯美C300錯(cuò)誤代碼C-2551
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柯美C300錯(cuò)誤代碼C-2551
柯美C300跳代碼 everybodylovesme 2021/8/13 Code C2551
Description Abnormally low toner density detected cyan TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper.
Remedy
1 Perform image troubleshooting procedure if image density is low.
2 Reinstall developing unit.
3 Reinstall toner cartridge.
4 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection , correct as necessary.
5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary.
6 M6, M7 operation check PRCB CN13-12 to 5 (M6) PRCB CN13-16 to19 (M7) J-21
7 M8, M9 operation check PRCB CN12-9 to 2 (M8) PRCB CN12-13 to 6 (M9) J-10
8 If the toner empty sensor , its surroundings inside the sub hopper are dirtied with toner, clean them.
9 Change developing unit.
10 Change FREYB.
11 PRCB ICP3,4 conduction check.
12 Change PRCB.

Description Abnormally low toner density detected cyan TCR sensor
When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper.
Remedy
1 Perform image troubleshooting procedure if image density is low.
2 Reinstall developing unit.
3 Reinstall toner cartridge.
4 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection , correct as necessary.
5 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary.
6 M6, M7 operation check PRCB CN13-12 to 5 (M6) PRCB CN13-16 to19 (M7) J-21
7 M8, M9 operation check PRCB CN12-9 to 2 (M8) PRCB CN12-13 to 6 (M9) J-10
8 If the toner empty sensor , its surroundings inside the sub hopper are dirtied with toner, clean them.
9 Change developing unit.
10 Change FREYB.
11 PRCB ICP3,4 conduction check.
12 Change PRCB.