#NI
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Unknown brand name #921 prntr ribbon
Part #BM177
The manufacturer no longer makes this part, and there's no substitute part
Model # 94 Official OKI Data printer
Here are the diagrams and repair parts for Official OKI Data 94 printer, as well as links to manuals and error code tables, if available.
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Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Main causes: faulty unloader valve, bad pressure regulator…
Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: broken recoil spring, damaged recoil starter…
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Repair guides for gas pressure washers
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
How to install a pressure washer O-ring kit
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…
Repair difficulty
Time required
45 minutes or less
How to install a pressure washer check valve kit
Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…
Repair difficulty
Time required
120 minutes or less
How to install a pressure washer chemical injection kit
The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…
Repair difficulty
Time required
15 minutes or less
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