Sharp ER-A421 User Manual

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Before Calling for Service
If you encounter any of the following problems, please read below before calling for service.
Fault Checking
• The display does not illuminate. • Is power supplied to the electric outlet?
• Is the power cord plug out or loosely connected to
the electric outlet?
• Is the register in screen-save mode?
• The display is illuminated, but the whole machine
refuses entries.
• Is a cashier code assigned to the register?
• Is a clerk code assigned to the register?
• Is the register in the REG mode?
• No receipt is issued. • Is the receipt paper roll properly installed?
• Is there a paper jam?
• Is the receipt function in the “OFF” status?
• Is the print roller arm securely locked?
• No journal paper is taken up. • Is the take-up spool installed on the bearing
properly?
• Is there a paper jam?
• Printing is unusual. • Are the printer head/sensor/roller clean?
• Is the paper roll properly installed?

Sharp ER-A421 Specifications

General

Memory type	Flash ROM
Types of payment	Cash
Electronic journal	Yes
Compatible memory cards	SD
Keyboard number of keys	119
Number of clerks/departments	99
Number of programmable VAT rates	6
Number of Price Look-Up codes (PLUs)	20000 PLUs
Supported paper width	58 mm
Display digits	24 digits
Display number of lines	10 lines
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Depth	424 mm
Width	355 mm
Height	305 mm
Weight	12000 g