What can I do if I got "credit too low" error when self-printing?

If you see “credit too low” when printing, please login http://myprint.xjtlu.edu.cn to check your printing account status.

If your disposable value is lower than 0 (Disposable= Acc.1+ Acc.2- Low limit), please use your university email account to send below information to
Chinese name:
Stu ID:
Apply for deduct printing overdraft from Service Charge account (申请从代办费帐户中扣除打印帐户的欠费).

If you have credit being reserved as the image below, please try one hour later, you can report the problem to IT@xjtlu.edu.cn with your ID number and account name if it still can't work.