4 Steps to a new BenQ PB8253 projector lamp

Written by
  • Shelagh M.
  • 12 years ago

BenQ_PB8253_projector_BenQ_59.J8101.CG1_projector_lampFollow our 4-step guide to replace the BenQ 59.J8101.CG1 projector lamp in your BenQ PB8253 projector.

Step 1: Buying the correct projector lamp

You’ll want to install an authentic BenQ 59.J8101.CG1 projector lamp to keep your BenQ PB8253 projector working properly and get the best picture quality. Although cheaper at first, generic knock-off lamps are actually not that great a bargain. These so-called “compatible” lamps are prone to explosion and have been created using toxic substances such as Krypton-85.
Copy-cat manufacturers simply don’t have the parts or the know-how to create a proper projector lamp and using one of these counterfeit lamp gives poor illumination, a shorter lamp life and the possibility of causing permanent damaged to the sensitive electronic components in your BenQ PB8253 projector.
Is it worth voiding your warranty and not having any technical support for a few extra dollars? Go with an authentic OEM BenQ 59.J8101.CG1 projector lamp sold by a dependable seller and keep your BenQ PB8253 projector working.  Learn the 7 Ways to spot a counterfeit lamp.

Buy this lamp on Amazon from the following authorized dealers:

Step 2: Know when to replace the projector lamp

Warning Messages

BenQ_PB8253_1980_hours_projector_lamp_warning_BenQ_59.J8101.CG1_ projector_lampYour first warning to replace the BenQ 59.J8101.CG1 projector lamp will show up when the lamp has been in operation for 1980 hours. If the projector is being run in Economic Mode you may continue until the second warning at 2980 hours at which time a second warning will appear.
BenQ_PB8253_2980_hours_projector_lamp_warning_BenQ_59.J8101.CG1_ projector_lampThe second warning will let you know that the power will shutdown in 20 hours time. Replace the BenQ 59.J8101.CG1 projector lamp immediately.
BenQ_PB8253_3000_hours_projector_lamp_warning_BenQ_59.J8101.CG1_ projector_lampThe third warning will flash in the center of the BenQ PB8253 screen at 3000 hours and the Lamp Indicator will light up red for 40 seconds. It’s strongly recommended you replace the BenQ 59.J8101.CG1 projector lamp.
BenQ_PB8253_final_projector_lamp_warning_BenQ_59.J8101.CG1_projector_lampIf this warning message displays, the BenQ PB8253 projector will shut down in 40 seconds. TheBenQ 59.J8101.CG1 projector lamp MUST be replaced before the projector will operate normally.

Step 3: Install the new BenQ 59.J8101.CG1 projector  lamp

NOTE: These instructions also apply to the BenQ PB8263  projector as well.

Before changing the projector  lamp:

  • Reduce the risk of electrical shock by disconnecting the power cord on the BenQ PB8253 projector.
  • Reduce the risk of severe burns by allowing the projector to cool for at least 45 minutes.

BenQ_PB8253_projector _lamp_cover_BenQ_59.J8101.CG1_projector _lamp

  • Turn the power off and disconnect the BenQ PB8253 projector.
  • The lamp cover is found on the bottom of the projector. Turn the projector over, placing it on something soft to protect the surface. Loosen the two screws holding the BenQ PB8253 projector lamp cover in place. (Use a magnetic screwdriver to make the whole process easier.)

BenQ_PB8253_projector_lamp screws_BenQ_59.J8101.CG1_projector_lamp


  • Grab the wire handle on the BenQ 59.J8101.CG1 projector lamp so it lifts up. Slowly and gently pull theBenQ 59.J8101.CG1 lamp out of the projector. Pulling too quickly can cause the bulb to shatter. Learn what to do should the bulb shatter.
  • Avoid touching the optical components inside the projector as this can leave marks on the lenses causing image distortion and unwanted color changes.


  • Insert the new BenQ 59.J8101.CG1 projector lamp making sure the handle is fully locked. Tighten the screw. If the screw is too loose or too tight, the projector may not turn on.
  • Re-install the BenQ PB8253 projector  cover and tighten the screw.
  • Reset the total lamp operation timer.

NOTE: The BenQ 59.J8101.CG1 projector lamp contains mercury and should not be thrown into regular garbage. Recycle your used lamps! 

 Troubleshooting tip:

When the large red R in the broken box appears, it means the projector lamp has not been properly installed. Re-install the projector lamp and make sure the screws are have been tightened just enough.

Step 4: Reset the lamp counter

It’s important to only reset the lamp timer when the BenQ 59.J8101.CG1 lamp has been replaced. Resetting the lamp timer without changing the BenQ 59.J8101.CG1 lamp can cause significant harm to your BenQ PB8253 projector.

  • BenQ PB8253 lamp timer reset, BenQ 59.J8101.CG1Press and hold EXIT button on the projector for 3 seconds to display the total used lamp time.
  • Press MENU on either the projector or on the remote control. Scroll down to the LAMP HOUR TIMER. An adjustment message will appear.
  • Press MENU to reset the lamp hours.
  • Press EXIT to save the new settings.

Tips for a longer lasting BenQ 59.J8101.CG1 projector lamp:

  • Keep your air filters clean to avoid overheating the projector.
  • Use the Lamp Power option on the BenQ PB8253 and set to Economic Mode to reduce the amount of power used but extend lamp life.
  • Learn more with Top tips for extending DLP projector lamp life.


The green alternative

You can replace only the BenQ 59.J8101.CG1 bulb and re-use the lamp cage. This can save you money and also reduce your carbon footprint. Watch our You Tube Tutorial to learn more.

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