Found in 1997, Aiou Office Supplier Co., Ltd. is a specialized China line printer manufacturer and wholesaler of office equipment and office products. All of our OEM line printers have the characteristics of easy operation, long lifespan, and beauty figures. To ensure product quality and stability, our sources materials from overseas countries, conducts scientific manufacturing, and implements strict QC inspections & tests at every stage of manufacturing. In addition, we are the only company within the Chinese mimeograph industry that has passed the State Mechanism Industry Bureau test and is quality credit insured by PICC.

The pedestal model has been completely redesigned for the P7000 line. Most significantly, the cover has been converted to a clamshell design. Now when open, access to all controls is dramatically improved, providing for faster ribbon replacements and easier paper loading. Interior room has now been expanded to accommodate the P7000 Ultra Capacity ribbons creating a 3X increase in ribbon capacity over previous pedestal models. Standard oversized casters make movement easier than ever. Versatility has also been enhanced with the ability for the paper path to be configured for either top or rear exit standard. Using the top paper exit along with newly refined eject key functionality, this printer is ideal printer for short print runs and easy access to output.

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The 1132 line printer (pictured) was built to be inexpensive. Like "Winmodems" today, its design reduced peripheral cost by increasing CPU involvement, and it was a dog: it ran at 80 lpm for alphanumeric text, with a CPU load near 100%. Its mechanism, taken from the obsolete IBM 407 punch-card accounting system, generated 88 interrupts per second while printing, with immediate attention required for each interrupt to avoid a printer fault. (The work required to service these interrupts was just too much for the least-expensive, slowest 1131. However, that CPU's low speed was artificial, implemented as a delay in the operation of a "normal" CPU to make a lower-cost system marketable, and as a workaround IBM's engineers simply disabled the CPU slowdown while a printer interrupt was pending. Clever users discovered this and found a way to speed up their programs: they started the 1132 and then, without clearing the printer interrupt, went about their CPU-intensive work at the higher speed. When their results were ready, they printed as usual.)

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