蘇州夏普打印機維修電話696l6769，上門維修，售后服務(wù)
CE40 Image quality control test pattern abnormality: The
test pattern is not formed normally. （更換載體）
CE41 Image quality TRC control test pattern abnormality:
The image quality TRC control test pattern is not
printed normally.
CE42 Image quality TRC control test pattern abnormality
(EFI printer board): Image quality TRC control test
pattern is not printed normally.夏普2551C提示CE40