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Lexmark T620 Support Question

Lexmark T620 Support Question

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Question posted by Jo11461 on August 31st, 2011

Error Message

What does a 935 Service Printhead error mean.

Current Answers

Answer #1: Posted by corbett95605 on August 31st, 2011 6:56 AM
This answer was accepted by the poster of the original question.
corbett95605

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August 31st, 2011

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This error indicates the light from the laser isn't shining or being detected correctly.   This error can happen sporadically and is usually corrected  by turning the machine off and back on.

Related Lexmark T620 Manual Pages

High-Capacity Output Stacker Installation Instructions - Page 12

Call service. 8 High-Capacity Output Stacker Installation Instructions Troubleshooting Problem Service Messages Action A service message indicates printer failure that may require service. If the error recurs, write down the error number, the problem, and a detailed description. Turn the printer off, wait about 10 seconds, and then turn the printer on.
Technical Reference - Page 133

... FALSE Intervention required: serial option error 30018 54 Serial Option 1 Error FALSE Intervention required: parallel error 30018 54 Parallel Error FALSE Intervention required: network software error 30018 54 Std Network Software Error FALSE Note: The Display String is returned in double quotes) ONLINE=online status To determine which messages your printer supports, see Table B-10...
Technical Reference - Page 137

... FALSE Intervention required: missing cartridge 40021 31 Missing Cartridge XXXX FALSE Intervention required: missing printhead 40021 31 Missing Printhead FALSE Intervention required: unsupported printhead 40021 32 Unsupported Printhead FALSE Intervention required: printer cover open 40021 Close Cover FALSE Intervention required: open cover 40021 Open Cover FALSE Intervention...
Technical Reference - Page 141

... Paper Handling" on page 3-72. * Refer to the host computer indicating the paper source and size for more information on printer messages. 3-71 PJL Operator Intervention - Attendance (operator intervention) messages are returned in this form: CODE=status code DISPLAY=display string (in Tray x FALSE Intervention required: wrong paper size manual feed 30034 34...
Technical Reference - Page 144

... pages in double quotes) ONLINE=online status To determine which messages your printer user documentation for more information on page B-24. Table 3-19: PJL Messages for the prompt. Paper Jams When a Paper Jam message appears on the printer operator panel display or through MarkVision Professional, a message is returned to be opened. y represents the tray number. The...
Technical Reference - Page 226

... in conjunction with Screening. This is an integer that provides compatibility with previous Lexmark laser printer drivers. If Screening is set to None or IET, the values for PictureGrade affect... Definition TonerSaver is an integer that provides compatibility with previous Lexmark laser printer drivers. PictureGrade works in conjunction with Screening. ImageEnhancement is a ...
Technical Reference - Page 270

... following table lists the possible keys and value descriptions. Notes: • Status queries cannot be received while the printer is in an error state. They follow a standard syntax, consisting of the print job. Status messages are bracketed by the characters %%[ and ]%%, so the computer software can extract them from other data generated by...
Technical Reference - Page 378

...  Priming Failed. Intervention Required - 3-70 40048 OPMSG message  OPMSG Printer Model       Message Page Status Code Return String Intervention Required - 3-69 40036 ... Failed. Retry? B-21 PJL Support C720 J110 T520, T522 T620, T622 W820 Table B-11: PJL Messages for Attendance Conditions (Continued)  Supported  Not Supported Page numbers reference...
Technical Reference - Page 381

Printer Model Message Intervention Required Paper Jam Intervention Required Paper Jam Intervention Required Paper ...the tray number. z represents the bin number. B-24 PJL Support C720 J110 T520, T522 T620, T622 W820 Table B-13: PJL Messages for Paper Jams  Supported  Not Supported Page numbers reference message descriptions. x represents the number of jammed pages in the printer.
Technical Reference - Page 382

.... y represents the tray number. z represents the bin number. B-25 PJL Support C720 J110 T520, T522 T620, T622 W820 Table B-13: PJL Messages for Paper Jams (Continued)  Supported  Not Supported Page numbers reference message descriptions. Printer Model Message Intervention Required Paper Jam Intervention Required Paper Jam Intervention Required Paper Jam Intervention Required Paper Jam...
Technical Reference - Page 383

... the tray number. B-26 PJL Support C720 J110 T520, T522 T620, T622 W820 Table B-13: PJL Messages for Paper Jams (Continued)  Supported  Not Supported Page numbers reference message descriptions. z represents the bin number. The door or cover needs to be opened. Printer Model Message Intervention Required Paper Jam Intervention Required Paper Jam Intervention Required Paper...
Technical Reference - Page 384

Printer Model Message Intervention Required Paper Jam Intervention Required Paper Jam Intervention Required Paper... y represents the tray number. x represents the number of jammed pages in the printer. z represents the bin number. B-27 PJL Support C720 J110 T520, T522 T620, T622 W820 Table B-13: PJL Messages for Paper Jams (Continued)  Supported  Not Supported Page numbers reference...
Technical Reference - Page 385

z represents the bin number. C720 J110 T520, T522 T620, T622 W820 Table B-14: Service Errors  Supported  Not Supported Page numbers reference message description. Printer Model Message RDYMSG OPMSG STMSG Page  3-79      3-79      3-80     y represents the tray number. Printer Model Message ALL SERVICE MESSAGES Page Error Code 3-78 50000  C720 J110 T520, T522...
2000-Sheet Drawer User's Guide (2.1 MB) - Page 26

Problem Service Messages Short Paper Error Action A service message indicates printer failure that may require service. Make sure the paper size selector knob is set to the correct paper size. See page 12. 20 2000-Sheet Drawer User's Guide Call service. If the error recurs, write down the error number, the problem, and a detailed description. Turn the printer off, wait about 10...
Printer Quick Reference (265 KB) - Page 1

... to the previous menu level Press Go to: • Exit printer menus and return to the Ready state • Clear messages Press Stop to: • Temporarily stop all print activity without ...loaded differently depending on the second line of the standard or optional trays. Quick Reference Lexmark T Family Laser Printer Operator panel Ready 1 Menu 2 Select 3 Return 4 Go 5 Stop 6 Press Menu to: &#...
Service Manual - Page 25

4069-5XX/7XX 1. General Information The Lexmark™ T laser printers are letter quality page printers designed to attach to IBM-compatible PC's and to most computer networks. The Lexmark T laser printer is available in the following models. Model Name Lexmark T620 Lexmark T620n Lexmark T622 Lexmark T622n Type 4069-520 4069-52n (Network) 4069-722 4069-72n...
Service Manual - Page 55

... message is restoring factory defaults. The printer is on the second line of Ready. Press Select to Ready. The printer is displayed. Diagnostic Information 2-27 Press Menu> or until Reset Printer... is processed, but the printer processes all paper currently in the Not Ready state, which means it is powered On. Press Select to take the printer out of the display. ...
Service Manual - Page 56

The flash memory is being written to disk. No button actions are being programmed, which means fonts or macros are possible while this message is displayed. 4069-5XX/7XX User Status Screens Resetting Printer Formatting Flash (Do Not Power Off) Program Flash (Do Not Power Off) Formatting Disk Programming Disk (Do Not Power Off...
Service Manual - Page 139

... contact wear or contamination. The printhead used in the printer does not have a mechanical shutter as previous laser printers. If connected properly, check the...Printhead Assembly Action Check the PC drum contact on the right side frame for any signs of the cable harness. If open, replace the HVPS. Note: Inspect the HVPS PC drum contact on the system board. Generally a 93x service error...
Service Manual - Page 205

... dc (warm during idle) to normal. The voltage drop across the thermistor is connected to approximately 260K ohms as in the Lexmark T printer is the fuser frame which contains the thermistor/cable, thermal fuse, cable assembly, left and right lamp brackets and cover. The HEATON signal.... 4069-5XX/7XX Fuser Operation Hot Roll Fuser The hot roll fuser in previous Lexmark laser printers.

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